{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_wal-wal_write", "name": "pg_stat_wal.wal_write", "name_zh": "", "category": "pg_stat_wal", "summary": "\u6240\u9009\u7248\u672c\u672a\u6536\u5f55\u6b64\u6761\u76ee\u3002", "aliases": ["wal_write", "pg_stat_wal"], "content_hash": "0452376f98626045568d6daba0c7888084819b0dcb18f5016d24894bc24399b3", "versions": {"14": {"view": "pg_stat_wal", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "wal_write", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_wal/?v=14", "label": "pg_stat_wal \u5b57\u6bb5"}, {"url": "/docs/14/monitoring-stats.html", "label": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef"}, "body_sha256": "1f903b2cbcb7bc33d8902b56380c9aa9447b2f303b2136aa8f9fd5978d2f84dd", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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_wal.wal_write", "locale": "zh-Hans", "source": {"key": "pg_stat_wal-wal_write", "locale": "zh-Hans", "version": "14", "text_hash": "37780e207e0d9d69c94239efcf96e3c19b71423f0a08941b91f6b4562461a610", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"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": "wal_write", "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": "1f903b2cbcb7bc33d8902b56380c9aa9447b2f303b2136aa8f9fd5978d2f84dd", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</p><p><a href=\"/zh/docs/14/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "version": "14", "link_map": {"/zh/docs/14/monitoring-stats.html": "/docs/14/monitoring-stats.html"}, "body_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</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": "f2147ab7268abbafd48157ecfc36e8da3b5dcc1bce3504e126022fe76e8aeed4", "content_hash": "37780e207e0d9d69c94239efcf96e3c19b71423f0a08941b91f6b4562461a610", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT wal_write FROM pg_catalog.pg_stat_wal;", "tables_zh": [], "documented": true, "description": ["\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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[16]/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Number of times WAL buffers were written out to disk via XLogWrite request. See Section 30.5 for more information about the internal WAL function XLogWrite.", "/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/3/value": "Not specified", "/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_wal 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": "The pg_stat_wal view will always have a single row, containing data about WAL activity of the cluster.", "/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": "737d13a05299f38af9f992ac9ae60ca56993a22fb5af71fd334deaa72eb65a6d", "canonical_center_text_hash": "37780e207e0d9d69c94239efcf96e3c19b71423f0a08941b91f6b4562461a610"}, "description_zh": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "comparison_data": {"view": "pg_stat_wal", "field": "wal_write", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "70030ad93d7ad90edd1561f93a9aaf67563544cb13569d8bab9da3a4c44db91f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_wal.wal_write 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"\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "wal_write", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_wal/?v=15", "label": "pg_stat_wal \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-WAL-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": "wal_write", "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": "19b21f41b4d68557155d6f4f54f1f59507b6ea7dba10286499cc58c55276fe75", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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_wal.wal_write", "locale": "zh-Hans", "source": {"key": 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"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": "19b21f41b4d68557155d6f4f54f1f59507b6ea7dba10286499cc58c55276fe75", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</p><p><a href=\"/zh/docs/15/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "version": "15", "link_map": {"/zh/docs/15/monitoring-stats.html": "/docs/15/monitoring-stats.html"}, "body_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</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": "3f11136bd21198acdc9e207218760b9a40a0736756936434e16420cb02a0507e", "content_hash": "bdbb82324ee05fbf74af63ec076ca52ee2c4dda5e980c9bf937612085a3742c8", "source_database": "center", "source_revision": 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See Section 30.5 for more information about the internal WAL function XLogWrite.", "/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/3/value": "Not specified", "/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_wal 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": "The pg_stat_wal view will always have a single row, containing data about WAL activity of the cluster.", "/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": "51049064d468e582763d83d3e864b5d99e0aac7e5bf2284a5c24eb779e570443", "canonical_center_text_hash": "bdbb82324ee05fbf74af63ec076ca52ee2c4dda5e980c9bf937612085a3742c8"}, "description_zh": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "comparison_data": {"view": "pg_stat_wal", "field": "wal_write", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "70030ad93d7ad90edd1561f93a9aaf67563544cb13569d8bab9da3a4c44db91f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_wal.wal_write 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"\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "wal_write", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_wal/?v=16", "label": "pg_stat_wal \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-WAL-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": "wal_write", "locale": 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"\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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_wal.wal_write", "locale": "zh-Hans", "source": {"key": "pg_stat_wal-wal_write", "locale": "zh-Hans", "version": "16", "text_hash": "89e77a893fccf6f4d5f1e3d97b759e92ce2ddef5fd3e578c1793376de6ae5262", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"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": "wal_write", "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": "7a20158d71b82ea88f06a06c47fe8ea054aada7147aedb79d8d406adb7ce5678", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</p><p><a href=\"/zh/docs/16/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "version": "16", "link_map": {"/zh/docs/16/monitoring-stats.html": "/docs/16/monitoring-stats.html"}, "body_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</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": "8feb3a4f0d3dbc60dd19cb49e247e439adfec7f75ea6eb919636522ab2a26878", "content_hash": "89e77a893fccf6f4d5f1e3d97b759e92ce2ddef5fd3e578c1793376de6ae5262", "source_database": "center", "source_revision": 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["\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 wal_write FROM pg_catalog.pg_stat_wal;", "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[19]/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "Number of times WAL buffers were written out to disk via XLogWrite request. See Section 30.5 for more information about the internal WAL function XLogWrite.", "/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/3/value": "Not specified", "/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_wal 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": "The pg_stat_wal view will always have a single row, containing data about WAL activity of the cluster.", "/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": "3e0ea775f7b19e9d71b38e67a74f733a798ab34c89f097991e049c7f1fa9b4e7", "canonical_center_text_hash": "89e77a893fccf6f4d5f1e3d97b759e92ce2ddef5fd3e578c1793376de6ae5262"}, "description_zh": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002", "comparison_data": {"view": "pg_stat_wal", "field": "wal_write", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "70030ad93d7ad90edd1561f93a9aaf67563544cb13569d8bab9da3a4c44db91f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 30.5 \u8282\u3002</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_wal", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "field": "wal_write", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_wal/?v=17", "label": "pg_stat_wal \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-WAL-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": "wal_write", "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": "1aebdab8e2a7103d98b252fb1765b8c1236384b0837df3baf1c528bf8b3d6e31", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"label": "\u91cd\u7f6e\u6761\u4ef6", "value": "\u8fd9\u4e9b\u7edf\u8ba1\u4e0a\u6b21\u91cd\u7f6e\u7684\u65f6\u95f4"}], "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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_wal.wal_write", "locale": "zh-Hans", "source": {"key": "pg_stat_wal-wal_write", "locale": "zh-Hans", "version": "17", "text_hash": "736b759dd6327a0e179fba6d528aab0320b5cc25186ae62a4d617327e2c1bfe0", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_wal"}, {"label": "\u5b57\u6bb5", "value": "wal_write"}, {"label": "SQL \u7c7b\u578b", "value": "bigint"}, {"label": "\u5b57\u6bb5\u5b9a\u4e49\u8bb0\u8f7d\u7684\u5355\u4f4d", "value": "\u672a\u6307\u5b9a"}, {"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": "wal_write", "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": "1aebdab8e2a7103d98b252fb1765b8c1236384b0837df3baf1c528bf8b3d6e31", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002", "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002</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": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002", "version": "17", "link_map": {"/zh/docs/17/monitoring-stats.html": "/docs/17/monitoring-stats.html"}, "body_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002</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": "00862ae5beaae8fb71cb156ad5f12c42206e9399a42cb0ca89d9e3b38003e53c", "content_hash": "736b759dd6327a0e179fba6d528aab0320b5cc25186ae62a4d617327e2c1bfe0", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "SELECT wal_write FROM pg_catalog.pg_stat_wal;", "tables_zh": [], "documented": true, "description": ["\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002"], "manual_html": "", "manual_path": "/docs/17/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_wal \u89c6\u56fe\u4e00\u76f4\u6709\u4e00\u884c\uff0c\u5305\u542b\u5173\u4e8e\u96c6\u7c07\u7684WAL\u6d3b\u52a8\u7684\u6570\u636e\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 wal_write FROM pg_catalog.pg_stat_wal;", "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[20]/p[2]"]}], "language": "zh", "original_text": {"/summary": "Number of times WAL buffers were written out to disk via XLogWrite request. See Section 28.5 for more information about the internal WAL function XLogWrite.", "/versions/17/description/0": "Number of times WAL buffers were written out to disk via XLogWrite request. See Section 28.5 for more information about the internal WAL function XLogWrite.", "/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/3/value": "Not specified", "/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_wal 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": "The pg_stat_wal view will always have a single row, containing data about WAL activity of the cluster.", "/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": "28b25790acd68ba3868c480c1339321a0aaa2bb4bb87b66bd49592fbc0376864", "canonical_center_text_hash": "736b759dd6327a0e179fba6d528aab0320b5cc25186ae62a4d617327e2c1bfe0"}, "description_zh": "\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002", "comparison_data": {"view": "pg_stat_wal", "field": "wal_write", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "70030ad93d7ad90edd1561f93a9aaf67563544cb13569d8bab9da3a4c44db91f", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_wal.wal_write \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_wal</code></dd><dt>\u5b57\u6bb5</dt><dd><code>wal_write</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>\u901a\u8fc7 XLogWrite \u8bf7\u6c42\uff0cWAL \u7f13\u51b2\u533a\u88ab\u5199\u5165\u5230\u78c1\u76d8\u7684\u6b21\u6570\u3002\u6709\u5173\u5185\u90e8 WAL \u51fd\u6570 XLogWrite \u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1\u7b2c 28.5 \u8282\u3002</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>"}}}, "snapshot": null, "comparison": {"left": "17", "right": "18", "status": "removed", "diff": "--- PostgreSQL 17\n+++ PostgreSQL 18\n@@ -1,6 +1 @@\n-{\n-  \"field\": \"wal_write\",\n-  \"sql_type\": \"bigint\",\n-  \"units_mentioned\": [],\n-  \"view\": \"pg_stat_wal\"\n-}\n+\u8be5\u7248\u672a\u6536\u5f55"}}