{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_slru-blks_zeroed", "name": "pg_stat_slru.blks_zeroed", "name_zh": "", "category": "pg_stat_slru", "summary": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "aliases": ["blks_zeroed", "pg_stat_slru"], "content_hash": "73c24cb834b80a28d260f93f6961c695c72acac4145a4403818d253fdbcfe8f1", "versions": {"13": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "blks_zeroed", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_slru/?v=13", "label": "pg_stat_slru \u5b57\u6bb5"}, {"url": "/docs/13/monitoring-stats.html", "label": 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"snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "6faa46bd2e5bfc81f07ed4bd71eb9521d9fabdff536b5110b33194d65ef86744", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "13", "text_hash": "edb71178691cc610dc56a353f044706b84aff7d63325aa891a878c9fd7057176", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/13/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "57373e7034db8002ff131250ff4fe83a8251455fad5580597598b0863a245ece", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4"}, "body_sha256": "6faa46bd2e5bfc81f07ed4bd71eb9521d9fabdff536b5110b33194d65ef86744", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/13/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "version": "13", "link_map": {"/zh/docs/13/monitoring-stats.html": "/docs/13/monitoring-stats.html"}, "body_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "0d66aac65bf68cba6fbe8dc6e598aa49286ef6edd6403b399a31a0aba0a78414", "content_hash": "edb71178691cc610dc56a353f044706b84aff7d63325aa891a878c9fd7057176", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/13/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1afff4ad1a4bc0c7e04a62d13adebcc1d39c30aca969618fab0cca8d0a115a96", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[23]/div[4]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]", "#MONITORING-STATS/div[23]/p[3]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Number of blocks zeroed during initializations", "/versions/13/facts/0/label": "View", "/versions/13/facts/1/label": "Field", "/versions/13/facts/2/label": "SQL type", "/versions/13/facts/3/label": "Units named in the field definition", "/versions/13/facts/4/label": "Reset observation", "/versions/13/facts/4/value": "Time at which these statistics were last reset", "/versions/13/related/0/label": "pg_stat_slru columns", "/versions/13/related/1/label": "Statistics collection and reset functions", "/versions/13/sections/0/title": "View semantics", "/versions/13/sections/1/title": "Collection and reset context", "/versions/13/sections/2/title": "Inspect this field", "/versions/13/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.", "/versions/13/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/13/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d03c4fa3797ed35d79e2cafcaf56cf314c0fe4a906dee3442cc49bb6e4210835", "canonical_center_text_hash": "edb71178691cc610dc56a353f044706b84aff7d63325aa891a878c9fd7057176"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/13/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "14": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "blks_zeroed", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_slru/?v=14", "label": "pg_stat_slru \u5b57\u6bb5"}, {"url": "/docs/14/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sources": [{"url": "/docs/14/monitoring-stats.html#PG-STAT-SLRU-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 14 English manual", "sha256": "1852c6205d68e465d08dd8f75e3b6bfdd4a475ee8d79886e2dcff6bff8e2d243"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/14/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "bd0526c9d981487b591bc25f57b4db9b9a5bc776a659b83dcc1efd7175bf0556", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "14", "text_hash": "e88c0c45742e5f366dd0ea05540e49ba1b0924b90629cb7b851f8c92139f75cd", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/14/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "5d0b3feda6ee0197d76fdc68b8b0b9837def8844a3463bc79c380c92ca629dbb", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "bd0526c9d981487b591bc25f57b4db9b9a5bc776a659b83dcc1efd7175bf0556", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": 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\u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "3e1b2119d1960a708e15cf81492044fb72f86bc94651eb842697f526127fe73b", "content_hash": "e88c0c45742e5f366dd0ea05540e49ba1b0924b90629cb7b851f8c92139f75cd", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/14/monitoring-stats.html", "method": "same-major semantic node", "sha256": "a622383556aa74bc5f0e402d9cb6c1e6ce1d111286c0f4e45f55b81e34d57922", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[25]/div[4]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]", "#MONITORING-STATS/div[25]/p[3]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Number of blocks zeroed during initializations", "/versions/14/facts/0/label": "View", "/versions/14/facts/1/label": "Field", "/versions/14/facts/2/label": "SQL type", "/versions/14/facts/3/label": "Units named in the field definition", "/versions/14/facts/4/label": "Reset observation", "/versions/14/facts/4/value": "Time at which these statistics were last reset", "/versions/14/related/0/label": "pg_stat_slru columns", "/versions/14/related/1/label": "Statistics collection and reset functions", "/versions/14/sections/0/title": "View semantics", "/versions/14/sections/1/title": "Collection and reset context", "/versions/14/sections/2/title": "Inspect this field", "/versions/14/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.", "/versions/14/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/14/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "4056c734447bac2c6f7cce7776a139e81e6929a3b163bff7d4e07da1430354d8", "canonical_center_text_hash": "e88c0c45742e5f366dd0ea05540e49ba1b0924b90629cb7b851f8c92139f75cd"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/14/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "15": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "blks_zeroed", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_slru/?v=15", "label": "pg_stat_slru \u5b57\u6bb5"}, {"url": "/docs/15/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sources": [{"url": "/docs/15/monitoring-stats.html#PG-STAT-SLRU-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 15 English manual", "sha256": "034c0a2e99e6707e637bf4d6cfd819d39eddc1b4b7c1ec2a00f0b4f0fdb0a078"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/15/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "a1f491ce4744d3b72b0eced7fad7c91762a4a8ba5ce0d61094b0616668450592", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "b7b802aacf6dec6b5ccc207ebef5672070939561f65e3025799b7fd164ab8c39", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "15", "text_hash": "a2695bdb3a9d05d688e9d34a37e49418db22b0f2ec86abbb4087c7934bb036e2", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/15/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "a1f491ce4744d3b72b0eced7fad7c91762a4a8ba5ce0d61094b0616668450592", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad"}, "body_sha256": "b7b802aacf6dec6b5ccc207ebef5672070939561f65e3025799b7fd164ab8c39", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": 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\u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "a95390d5583f321aa3e4078aed7dad11212b3604adf923c195dfeca27aea2f27", "content_hash": "a2695bdb3a9d05d688e9d34a37e49418db22b0f2ec86abbb4087c7934bb036e2", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/15/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/15/monitoring-stats.html", "method": "same-major semantic node", "sha256": "373028581d43d13a3f098f997d5912fca6c8c1bf42a129d9336834c119bcaf6b", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[27]/div[4]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]", "#MONITORING-STATS/div[27]/p[3]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Number of blocks zeroed during initializations", "/versions/15/facts/0/label": "View", "/versions/15/facts/1/label": "Field", "/versions/15/facts/2/label": "SQL type", "/versions/15/facts/3/label": "Units named in the field definition", "/versions/15/facts/4/label": "Reset observation", "/versions/15/facts/4/value": "Time at which these statistics were last reset", "/versions/15/related/0/label": "pg_stat_slru columns", "/versions/15/related/1/label": "Statistics collection and reset functions", "/versions/15/sections/0/title": "View semantics", "/versions/15/sections/1/title": "Collection and reset context", "/versions/15/sections/2/title": "Inspect this field", "/versions/15/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.", "/versions/15/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/15/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "36fd5327080892384f132abd37d62eeaf6d9d31212d7199baec978013c949053", "canonical_center_text_hash": "a2695bdb3a9d05d688e9d34a37e49418db22b0f2ec86abbb4087c7934bb036e2"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/15/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "16": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "blks_zeroed", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_slru/?v=16", "label": "pg_stat_slru \u5b57\u6bb5"}, {"url": "/docs/16/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sources": [{"url": "/docs/16/monitoring-stats.html#PG-STAT-SLRU-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 16 English manual", "sha256": "a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "625724b235f2f048eef5d0ea0f4a43a5a3f6e57bde55ff0ea3929c2b97b82c48", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "16", "text_hash": "42429b03efd2d918d92dd72c6e553bbd132ae554d7e2b71bac52d7594a8d9f9e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/16/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "bc7073c776c27e13a8c84203c68f4913e8ee7601c38364f2b4e397c4851c8e08", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b"}, "body_sha256": "625724b235f2f048eef5d0ea0f4a43a5a3f6e57bde55ff0ea3929c2b97b82c48", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": 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\u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/16/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "ba537ddd65547ef9740950122a737de1e787b2d212eb649b18d9e2eb1af2121b", "content_hash": "42429b03efd2d918d92dd72c6e553bbd132ae554d7e2b71bac52d7594a8d9f9e", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU \uff08simple least-recently-used\uff0c\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4e0a\u7684\u4fe1\u606f\u3002 pg_stat_slru \u89c6\u56fe\u5c06\u4e3a\u6bcf\u4e2a\u88ab\u8ddf\u8e2a\u7684SLRU\u7f13\u5b58\u5305\u542b\u4e00\u884c\uff0c\u663e\u793a\u5173\u4e8e\u8bbf\u95ee\u7f13\u5b58\u9875\u9762\u7684\u7edf\u8ba1\u4fe1\u606f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/16/monitoring-stats.html", "method": "same-major semantic node", "sha256": "602e708943074767e7aad252e93938422e388dae22bd99fc583e93f7689395ba", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[28]/div[4]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]", "#MONITORING-STATS/div[28]/p[3]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Number of blocks zeroed during initializations", "/versions/16/facts/0/label": "View", "/versions/16/facts/1/label": "Field", "/versions/16/facts/2/label": "SQL type", "/versions/16/facts/3/label": "Units named in the field definition", "/versions/16/facts/4/label": "Reset observation", "/versions/16/facts/4/value": "Time at which these statistics were last reset", "/versions/16/related/0/label": "pg_stat_slru columns", "/versions/16/related/1/label": "Statistics collection and reset functions", "/versions/16/sections/0/title": "View semantics", "/versions/16/sections/1/title": "Collection and reset context", "/versions/16/sections/2/title": "Inspect this field", "/versions/16/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.", "/versions/16/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/16/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "4900e76a4a817c46959a8db11a1ffa9cf658b22bc58783f0485e977548eeccb8", "canonical_center_text_hash": "42429b03efd2d918d92dd72c6e553bbd132ae554d7e2b71bac52d7594a8d9f9e"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/16/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "17": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "blks_zeroed", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_slru/?v=17", "label": "pg_stat_slru \u5b57\u6bb5"}, {"url": "/docs/17/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sources": [{"url": "/docs/17/monitoring-stats.html#PG-STAT-SLRU-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 17 English manual", "sha256": "007af6e8ab39b925963273ec3ba7f06f8ee6fbfaad821f07a1dc78383dbb9b99"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "c2d3455a055678c5712e39896038661536663cd8ca64843afa0d3814166fffc4", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "17", "text_hash": "e57aa22390708f1d5ade142077e3760e5f7d04d6f8e20978f88de2ec9959cea0", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/17/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "ad63a74417862b28cba663bd779186633505e5da37845bce5f2e4bf62ee55c2b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd"}, "body_sha256": "c2d3455a055678c5712e39896038661536663cd8ca64843afa0d3814166fffc4", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/17/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "version": "17", "link_map": {"/zh/docs/17/monitoring-stats.html": "/docs/17/monitoring-stats.html"}, "body_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/17/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "103ee9f2b96628d2b539233f57ca1b94703ef44c3c6f220e34f87f84d3784888", "content_hash": "e57aa22390708f1d5ade142077e3760e5f7d04d6f8e20978f88de2ec9959cea0", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/17/monitoring-stats.html", "method": "same-major semantic node", "sha256": "5cd346cc373a5a006b07664d9969d4c630c8ea55dea33b8f3211f061ce43e54f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[29]/div[5]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "Number of blocks zeroed during initializations", "/versions/17/facts/0/label": "View", "/versions/17/facts/1/label": "Field", "/versions/17/facts/2/label": "SQL type", "/versions/17/facts/3/label": "Units named in the field definition", "/versions/17/facts/4/label": "Reset observation", "/versions/17/facts/4/value": "Time at which these statistics were last reset", "/versions/17/related/0/label": "pg_stat_slru columns", "/versions/17/related/1/label": "Statistics collection and reset functions", "/versions/17/sections/0/title": "View semantics", "/versions/17/sections/1/title": "Collection and reset context", "/versions/17/sections/2/title": "Inspect this field", "/versions/17/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.\n\nFor each SLRU cache that's part of the core server, there is a configuration parameter that controls its size, with the suffix _buffers appended.", "/versions/17/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/17/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b919dd2fbd4de38dc6c50bdd5ab64ffc27c312b2b3a5b9ac802a52caa8df1998", "canonical_center_text_hash": "e57aa22390708f1d5ade142077e3760e5f7d04d6f8e20978f88de2ec9959cea0"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "ea92b93717df265606390039414fd87ffeac81dd07a3a908ea969f49c5861c8e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "18", "text_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "ea92b93717df265606390039414fd87ffeac81dd07a3a908ea969f49c5861c8e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "cedf8af7c90648fdaa52af440efd6647fabceeaee6264f0672cb0345de1f61d9", "content_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[29]/div[5]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of blocks zeroed during initializations", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "Time at which these statistics were last reset", "/versions/18/related/0/label": "pg_stat_slru columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.\n\nFor each SLRU cache that's part of the core server, there is a configuration parameter that controls its size, with the suffix _buffers appended.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "92701a4de3aa556bf67b0e2876a6528745e7723bb960dbb1f928e71e84827632", "canonical_center_text_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/docs/18/monitoring-stats.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "19": {"view": "pg_stat_slru", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": 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"cdba1f561beed267eb08b3c3238c56fc7ff1817f53512c631fb385765b94d3ce", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": 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\u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "20", "text_hash": "129874eb36aeb2447c60230d935845361a27ca13284e27e1d6f82e9776253b58", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/devel/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2c8d45a2fe11aec2ee727b94ac68e60b7a0523a1aa2d43629f9368d42f544d40", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235"}, "body_sha256": "0eb856de464f0e7a66590953dac4eb2440aada0b26d3af71b1f52c5681f0f5a0", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": 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\u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/devel/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "a8aa5039eae2f2f75fc4e2a67f00b80eee01b5a02dc90292bdfdbe5817e68ec1", "content_hash": "129874eb36aeb2447c60230d935845361a27ca13284e27e1d6f82e9776253b58", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/devel/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/devel/monitoring-stats.html", "method": "same-major semantic node", "sha256": "1d9a086fb4c6fdd9a56d3a7a28e8c164354ef0bf50c402f06ebe174538f96a4f", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[33]/div[5]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/summary": "Number of blocks zeroed during initializations", "/versions/20/description/0": "Number of blocks zeroed during initializations", "/versions/20/facts/0/label": "View", "/versions/20/facts/1/label": "Field", "/versions/20/facts/2/label": "SQL type", "/versions/20/facts/3/label": "Units named in the field definition", "/versions/20/facts/4/label": "Reset observation", "/versions/20/facts/4/value": "Time at which these 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The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.\n\nFor each SLRU cache that's part of the core server, there is a configuration parameter that controls its size, with the suffix _buffers appended.", "/versions/20/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/20/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e0d4e928d2b91c553d6967bebb5b9442eccae75b8e88e4fd163cdf367f0c5e42", "canonical_center_text_hash": "129874eb36aeb2447c60230d935845361a27ca13284e27e1d6f82e9776253b58"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL 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"/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "ea92b93717df265606390039414fd87ffeac81dd07a3a908ea969f49c5861c8e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "sql_type": "bigint", "center_zh": {"title": "pg_stat_slru.blks_zeroed", "locale": "zh-Hans", "source": {"key": "pg_stat_slru-blks_zeroed", "locale": "zh-Hans", "version": "18", "text_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_slru"}, {"label": "\u5b57\u6bb5", "value": "blks_zeroed"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "blocks"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/18/monitoring-stats.html#", "anchor": "", "column": "blks_zeroed", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "0274aac7991450316bcf7be44635653b6d896fb00e321242c1b6674cb05c2e53", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b"}, "body_sha256": "ea92b93717df265606390039414fd87ffeac81dd07a3a908ea969f49c5861c8e", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "version": "18", "link_map": {"/zh/docs/18/monitoring-stats.html": "/docs/18/monitoring-stats.html"}, "body_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "cedf8af7c90648fdaa52af440efd6647fabceeaee6264f0672cb0345de1f61d9", "content_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "tables_zh": [], "documented": true, "description": ["\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570"], "manual_html": "", "manual_path": "/docs/18/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["PostgreSQL \u901a\u8fc7 SLRU\uff08\u7b80\u5355\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7f13\u5b58\u8bbf\u95ee\u67d0\u4e9b\u78c1\u76d8\u4fe1\u606f\u3002pg_stat_slru \u89c6\u56fe\u4e3a\u6bcf\u4e2a\u8ddf\u8e2a\u7684 SLRU \u7f13\u5b58\u63d0\u4f9b\u4e00\u884c\uff0c\u663e\u793a\u5176\u7f13\u5b58\u9875\u8bbf\u95ee\u7edf\u8ba1\u3002\u5bf9\u4e8e\u6838\u5fc3\u670d\u52a1\u5668\u4e2d\u7684\u6bcf\u4e2a SLRU \u7f13\u5b58\uff0c\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u4ee5 _buffers \u4e3a\u540e\u7f00\u7684\u914d\u7f6e\u53c2\u6570\u6765\u63a7\u5236\u5176\u5927\u5c0f\u3002"]}, {"title": "\u91c7\u96c6\u4e0e\u91cd\u7f6e\u8bed\u4e49", "paragraphs": ["\u91cd\u7f6e\u8303\u56f4\u548c\u53ef\u89c1\u6027\u8bf7\u53c2\u9605\u4e0b\u65b9\u540c\u7248\u672c\u7684\u7edf\u8ba1\u4fe1\u606f\u6536\u96c6\u4e0e\u89c6\u56fe\u6587\u6863\u3002\u4e0d\u6839\u636e\u5b57\u6bb5\u540d\u79f0\u63a8\u65ad\u5404\u5b57\u6bb5\u7684\u91cd\u7f6e\u89c4\u5219\u3002"]}, {"code": "SELECT blks_zeroed FROM pg_catalog.pg_stat_slru;", "title": "\u67e5\u770b\u6b64\u5b57\u6bb5", "paragraphs": ["\u793a\u4f8b\u67e5\u8be2\uff1b\u4e0d\u8868\u793a\u5df2\u6267\u884c\uff0c\u4e5f\u4e0d\u63d0\u4f9b\u5b9e\u6d4b\u503c\u3002"]}], "source_only": false, "localization": {"status": "complete", "sources": [{"url": "/docs/18/monitoring-stats.html", "method": "same-major semantic node", "sha256": "ff0b10c5fb4b75c247e38b7ad0e8a50fa0b6ebaa25e68c8c67a1ca972bda40b1", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[29]/div[5]/div[1]/table[0]/tbody[2]/tr[1]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "Number of blocks zeroed during initializations", "/versions/18/facts/0/label": "View", "/versions/18/facts/1/label": "Field", "/versions/18/facts/2/label": "SQL type", "/versions/18/facts/3/label": "Units named in the field definition", "/versions/18/facts/4/label": "Reset observation", "/versions/18/facts/4/value": "Time at which these statistics were last reset", "/versions/18/related/0/label": "pg_stat_slru columns", "/versions/18/related/1/label": "Statistics collection and reset functions", "/versions/18/sections/0/title": "View semantics", "/versions/18/sections/1/title": "Collection and reset context", "/versions/18/sections/2/title": "Inspect this field", "/versions/18/sections/0/paragraphs/0": "PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.\n\nFor each SLRU cache that's part of the core server, there is a configuration parameter that controls its size, with the suffix _buffers appended.", "/versions/18/sections/1/paragraphs/0": "Read the same-version statistics collection and view documentation below for reset scope and visibility. No per-field reset rule is inferred from the field name.", "/versions/18/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "92701a4de3aa556bf67b0e2876a6528745e7723bb960dbb1f928e71e84827632", "canonical_center_text_hash": "f805b387e63edada6fd5c572fbe753bf351e38fbba59f144930fcc976d69e86c"}, "description_zh": "\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570", "comparison_data": {"view": "pg_stat_slru", "field": "blks_zeroed", "sql_type": "bigint", "units_mentioned": ["blocks"]}, "comparison_hash": "954d186b50ee8fae51a0a0d36d5ac22b06592a01798efb286a5bbf6b58cf506f", "manual_language": "zh", "units_mentioned": ["blocks"], "description_zh_html": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/zh/docs/18/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "center_zh_rendered": "<p>pg_stat_slru.blks_zeroed \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_slru</code></dd><dt>\u5b57\u6bb5</dt><dd><code>blks_zeroed</code></dd><dt>SQL \u7c7b\u578b</dt><dd><code>bigint</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u5b9a\u4e49</h3><p>\u521d\u59cb\u5316\u671f\u95f4\u88ab\u7f6e\u96f6\u7684\u5757\u6570</p><p><a href=\"/docs/18/monitoring-stats.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}