{"kind": "metric", "major": "18", "item": {"slug": "pg_stat_bgwriter-buffers_backend_fsync", "name": "pg_stat_bgwriter.buffers_backend_fsync", "name_zh": "", "category": "pg_stat_bgwriter", "summary": "\u6240\u9009\u7248\u672c\u672a\u6536\u5f55\u6b64\u6761\u76ee\u3002", "aliases": ["buffers_backend_fsync", "pg_stat_bgwriter"], "content_hash": "2325fa8dfcf0780b6db3bfd1c29b2c810229dd3268d0938a44ce9c277a1f6c91", "versions": {"10": {"view": "pg_stat_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=10", "label": "pg_stat_bgwriter \u5b57\u6bb5"}, {"url": "/docs/10/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "stable", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sources": [{"url": "/docs/10/monitoring-stats.html#PG-STAT-BGWRITER-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 10 English manual", "sha256": "8b88457ddc21d8cbc59bc88fb9e07a79090419ef77c3d7f05b03e0f66a2bac3f"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/10/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "b7ba29ffd1985f565f19e173a7f20f91cd6f7860a583db1e1fb7c1a75d4d25b3", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "10", "text_hash": "81636bebdbe5de59aac1647afaebff971ed1edf45c32bf83a5f53b2838b2d62b", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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/10/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "cf884834ed32c9ed9446bea488204432defca82b5fccd3075349b7b866653094", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5"}, "body_sha256": "b7ba29ffd1985f565f19e173a7f20f91cd6f7860a583db1e1fb7c1a75d4d25b3", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "10", "link_map": {"/zh/docs/10/monitoring-stats.html": "/docs/10/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "3e63c1cc28e86aa7a602864077065a98d4c28f8c8b49ad2e086fe9e54a4d3c47", "content_hash": "81636bebdbe5de59aac1647afaebff971ed1edf45c32bf83a5f53b2838b2d62b", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/10/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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/10/monitoring-stats.html", "method": "same-major semantic node", "sha256": "881c50196a1774b6cbfd40977523b79f34cd079195f91024d1e3c322c763a8b5", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[38]/div[1]/table[0]/tbody[2]/tr[8]/td[2]", "#MONITORING-STATS/div[6]/div[7]/div[1]/table[0]/tbody[2]/tr[1]/td[1]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/versions/10/facts/0/label": "View", "/versions/10/facts/1/label": "Field", "/versions/10/facts/2/label": "SQL type", "/versions/10/facts/3/label": "Units named in the field definition", "/versions/10/facts/3/value": "Not specified", "/versions/10/facts/4/label": "Reset observation", "/versions/10/facts/4/value": "Time at which these statistics were last reset", "/versions/10/related/0/label": "pg_stat_bgwriter columns", "/versions/10/related/1/label": "Statistics collection and reset functions", "/versions/10/sections/0/title": "View semantics", "/versions/10/sections/1/title": "Collection and reset context", "/versions/10/sections/2/title": "Inspect this field", "/versions/10/sections/0/paragraphs/0": "One row only, showing statistics about the background writer process's activity. See pg_stat_bgwriter for details.", "/versions/10/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/10/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e84c1064aa9ac9659597d72f0c5e4838ea5fd8d6e59ccb5096be7a9243c29a5b", "canonical_center_text_hash": "81636bebdbe5de59aac1647afaebff971ed1edf45c32bf83a5f53b2838b2d62b"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/10/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "11": {"view": "pg_stat_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=11", "label": "pg_stat_bgwriter \u5b57\u6bb5"}, {"url": "/docs/11/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "stable", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sources": [{"url": "/docs/11/monitoring-stats.html#PG-STAT-BGWRITER-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 11 English manual", "sha256": "8b7b421aabe5ecaae695cb42a270d7192bfe2bfbd1ac2aa756087c177f734600"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/11/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "d4918c35dd767cc48dc250f076d32fe09e288d85749af0bcefdd6b237b254b57", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "11", "text_hash": "1e489dd6487fa13cf4f5893f40f9ed13b671b00c6ed09e34e2785819c19c4b5b", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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/11/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "2bd0ab0ada5d4a95c80dd511d5018532613c2753b6c2debc208355ba0cf80625", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1"}, "body_sha256": "d4918c35dd767cc48dc250f076d32fe09e288d85749af0bcefdd6b237b254b57", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "11", "link_map": {"/zh/docs/11/monitoring-stats.html": "/docs/11/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "334de1669098dfe64b547da59094431a8d7afdcf584685e50497c5184c70d913", "content_hash": "1e489dd6487fa13cf4f5893f40f9ed13b671b00c6ed09e34e2785819c19c4b5b", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/11/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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/11/monitoring-stats.html", "method": "same-major semantic node", "sha256": "0f94440120a340dbcbbfec4d9fd6ea8ad93b9671f759fe80a4f373ba248c864e", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[38]/div[1]/table[0]/tbody[2]/tr[8]/td[2]", "#MONITORING-STATS/div[6]/div[7]/div[1]/table[0]/tbody[2]/tr[1]/td[1]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/versions/11/facts/0/label": "View", "/versions/11/facts/1/label": "Field", "/versions/11/facts/2/label": "SQL type", "/versions/11/facts/3/label": "Units named in the field definition", "/versions/11/facts/3/value": "Not specified", "/versions/11/facts/4/label": "Reset observation", "/versions/11/facts/4/value": "Time at which these statistics were last reset", "/versions/11/related/0/label": "pg_stat_bgwriter columns", "/versions/11/related/1/label": "Statistics collection and reset functions", "/versions/11/sections/0/title": "View semantics", "/versions/11/sections/1/title": "Collection and reset context", "/versions/11/sections/2/title": "Inspect this field", "/versions/11/sections/0/paragraphs/0": "One row only, showing statistics about the background writer process's activity. See pg_stat_bgwriter for details.", "/versions/11/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/11/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "af374b697a139c187e7732a1baa3862dbc4e396978dbd4729b9829a24fd87d91", "canonical_center_text_hash": "1e489dd6487fa13cf4f5893f40f9ed13b671b00c6ed09e34e2785819c19c4b5b"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/11/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "12": {"view": "pg_stat_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=12", "label": "pg_stat_bgwriter \u5b57\u6bb5"}, {"url": "/docs/12/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "stable", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sources": [{"url": "/docs/12/monitoring-stats.html#PG-STAT-BGWRITER-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 12 English manual", "sha256": "3a764eaa784efc0eed1081cdfc2bf313c91bd17122d66dd16055d8b640320699"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/12/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "1807d9852353a1af2b64d546fb3be93143b4831734c8d432737488e3037ac9f1", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49"}, "body_sha256": "cd0d93849929ec78971978d9a3f59cfa2565d80ce2fb5506eb9c8cc1fbbe2b07", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "12", "text_hash": "d7f88379f3bc25372f6ac8d205870742a05468482e5e4adc3f11ab06c58c2663", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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/12/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "monitoring-stats.html", "extraction": "exact-catalog-field", "source_hash": "1807d9852353a1af2b64d546fb3be93143b4831734c8d432737488e3037ac9f1", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49"}, "body_sha256": "cd0d93849929ec78971978d9a3f59cfa2565d80ce2fb5506eb9c8cc1fbbe2b07", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html#\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "summary": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "12", "link_map": {"/zh/docs/12/monitoring-stats.html": "/docs/12/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>", "body_sha256": "80d672f6ee71401e9b237d116c3d89521078079720ca22efc5d98605fa5138cc", "content_hash": "d7f88379f3bc25372f6ac8d205870742a05468482e5e4adc3f11ab06c58c2663", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/12/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["\u53ea\u6709\u4e00\u884c\uff0c\u663e\u793a\u540e\u53f0\u5199\u5165\u5668\u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u8be6\u89c1 pg_stat_bgwriter \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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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/12/monitoring-stats.html", "method": "same-major semantic node", "sha256": "d9fccd3a149dcb1b042346f59f216885cbd5a1cef552dae403a74da45af66cd0", "language": "zh", "matched_nodes": ["#MONITORING-STATS/div[6]/div[42]/div[1]/table[0]/tbody[2]/tr[8]/td[2]", "#MONITORING-STATS/div[6]/div[8]/div[1]/table[0]/tbody[2]/tr[1]/td[1]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/versions/12/facts/0/label": "View", "/versions/12/facts/1/label": "Field", "/versions/12/facts/2/label": "SQL type", "/versions/12/facts/3/label": "Units named in the field definition", "/versions/12/facts/3/value": "Not specified", "/versions/12/facts/4/label": "Reset observation", "/versions/12/facts/4/value": "Time at which these statistics were last reset", "/versions/12/related/0/label": "pg_stat_bgwriter columns", "/versions/12/related/1/label": "Statistics collection and reset functions", "/versions/12/sections/0/title": "View semantics", "/versions/12/sections/1/title": "Collection and reset context", "/versions/12/sections/2/title": "Inspect this field", "/versions/12/sections/0/paragraphs/0": "One row only, showing statistics about the background writer process's activity. See pg_stat_bgwriter for details.", "/versions/12/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/12/sections/2/paragraphs/0": "Example query; no execution result or measured value is asserted."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2cdaf6425baa62179ca791fc61c5ac9466d9a86e3e0a4b060a8576e5420eadc6", "canonical_center_text_hash": "d7f88379f3bc25372f6ac8d205870742a05468482e5e4adc3f11ab06c58c2663"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</p><p><a href=\"/zh/docs/12/monitoring-stats.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p>"}, "13": {"view": "pg_stat_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=13", "label": "pg_stat_bgwriter \u5b57\u6bb5"}, {"url": "/docs/13/monitoring-stats.html", "label": "\u7edf\u8ba1\u6536\u96c6\u4e0e\u91cd\u7f6e\u51fd\u6570"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "stable", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sources": [{"url": "/docs/13/monitoring-stats.html#PG-STAT-BGWRITER-VIEW", "path": "monitoring-stats.html", "label": "PostgreSQL 13 English manual", "sha256": "a8ec0d199d592259f260a41ccb2821e582cd6dae1014a784e1e86203740afcb0"}], "zh_from": {"kind": "same-version-chinese-manual-with-source-derived-structured-summary", "manual": {"url": "/zh/docs/13/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "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": "66a7736bd300dab8a3695730241a9a9ab0ccceb832d38d179ae838bcb2b85bff", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "13", "text_hash": "a624c0b28c95e17da3cecfad4069da5aa3b295a795f9697762a30ff59896665e", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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/13/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "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": "66a7736bd300dab8a3695730241a9a9ab0ccceb832d38d179ae838bcb2b85bff", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "13", "link_map": {"/zh/docs/13/monitoring-stats.html": "/docs/13/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "b66f453091c40a19b4b43ed4064c2809b89f8fdfc9ed75bbf2d23660ff8a533b", "content_hash": "a624c0b28c95e17da3cecfad4069da5aa3b295a795f9697762a30ff59896665e", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/13/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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[14]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]", "#MONITORING-STATS/div[14]/p[2]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/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/3/value": "Not specified", "/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_bgwriter 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": "The pg_stat_bgwriter view will always have a single row, containing global data for the cluster.", "/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": "a396aa572cc1f3728c160b26ac3251b04dc1339eb2179447d9b7dd2fcc5533f9", "canonical_center_text_hash": "a624c0b28c95e17da3cecfad4069da5aa3b295a795f9697762a30ff59896665e"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=14", "label": "pg_stat_bgwriter \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-BGWRITER-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": "buffers_backend_fsync", "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": "0d0f3f76c8d620862515e425305e0b02ea096b5756aeb266caaf13a5f212bef5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "14", "text_hash": "4b23d91547c61fa5944ea62ee94c6ec1283b0daf447790f167b599c15c64d07f", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "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": "0d0f3f76c8d620862515e425305e0b02ea096b5756aeb266caaf13a5f212bef5", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "14", "link_map": {"/zh/docs/14/monitoring-stats.html": "/docs/14/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "b6a62b28582e359195fe28c942bf7af397555d64836cb7e80ede08c4ff82b059", "content_hash": "4b23d91547c61fa5944ea62ee94c6ec1283b0daf447790f167b599c15c64d07f", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/14/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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[15]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]", "#MONITORING-STATS/div[15]/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/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_bgwriter 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_bgwriter view will always have a single row, containing global data for 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": "34ecb0f116782ad184f82b8b8b3220149263320d99fa571f9efe38b9f4f6a270", "canonical_center_text_hash": "4b23d91547c61fa5944ea62ee94c6ec1283b0daf447790f167b599c15c64d07f"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=15", "label": "pg_stat_bgwriter \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-BGWRITER-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": "buffers_backend_fsync", "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": "24b57ce685a6360e2fb9ae1a2c93721fe62d6265d71b8f4d729717b64a5055d8", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "15", "text_hash": "ff3a8c62122dd123e109d6dca5c8cd9a9200a487050b835ca2aeb145af4a3e82", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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/15/monitoring-stats.html#", "anchor": "", "column": "buffers_backend_fsync", "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": "24b57ce685a6360e2fb9ae1a2c93721fe62d6265d71b8f4d729717b64a5055d8", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "15", "link_map": {"/zh/docs/15/monitoring-stats.html": "/docs/15/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "4cfdbfc183953453da9f3e2c5c89913d1bea49700dec804d242732070ca668f8", "content_hash": "ff3a8c62122dd123e109d6dca5c8cd9a9200a487050b835ca2aeb145af4a3e82", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/15/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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[17]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]", "#MONITORING-STATS/div[17]/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/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_bgwriter 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_bgwriter view will always have a single row, containing global data for 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": "00e438fd3e741b0e394a7d180f07f559ce8fc368fe0eb585c95d49362b290213", "canonical_center_text_hash": "ff3a8c62122dd123e109d6dca5c8cd9a9200a487050b835ca2aeb145af4a3e82"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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_bgwriter", "facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "tables": [], "related": [{"url": "/wiki/catalog/pg_stat_bgwriter/?v=16", "label": "pg_stat_bgwriter \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-BGWRITER-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": "buffers_backend_fsync", "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": "c3717523dc400c76e87d0f64237403004dc616e713b0f52a53da4e1df7de92df", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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_bgwriter.buffers_backend_fsync", "locale": "zh-Hans", "source": {"key": "pg_stat_bgwriter-buffers_backend_fsync", "locale": "zh-Hans", "version": "16", "text_hash": "289debf4db5814d637c180d671ccca53b02cb951d000c27b4907c84185843533", "collection": "metric", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u89c6\u56fe", "value": "pg_stat_bgwriter"}, {"label": "\u5b57\u6bb5", "value": "buffers_backend_fsync"}, {"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": "buffers_backend_fsync", "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": "c3717523dc400c76e87d0f64237403004dc616e713b0f52a53da4e1df7de92df", "runtime_rerun": false, "authored_translation": "source-derived-structured-summary", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "version": "16", "link_map": {"/zh/docs/16/monitoring-stats.html": "/docs/16/monitoring-stats.html"}, "body_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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": "24f380d6e3c434293aa89423355b893d8abcdfe7a75a89d5d4369f9ded66314d", "content_hash": "289debf4db5814d637c180d671ccca53b02cb951d000c27b4907c84185843533", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "SELECT buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "tables_zh": [], "documented": true, "description": ["\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09"], "manual_html": "", "manual_path": "/docs/16/monitoring-stats.html", "sections_zh": [{"title": "\u89c6\u56fe\u8bed\u4e49", "paragraphs": ["pg_stat_bgwriter \u89c6\u56fe\u59cb\u7ec8\u53ea\u6709\u4e00\u884c\uff0c\u5305\u542b\u6574\u4e2a\u96c6\u7c07\u7684\u5168\u5c40\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 buffers_backend_fsync FROM pg_catalog.pg_stat_bgwriter;", "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[18]/div[3]/div[1]/table[0]/tbody[2]/tr[8]/td[0]/p[1]", "#MONITORING-STATS/div[18]/p[2]"]}], "language": "zh", "original_text": {"/summary": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/versions/16/description/0": "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", "/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_bgwriter 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_bgwriter view will always have a single row, containing global data for 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": "e74419615bb96f9553383ecb03439a935a8ce5c09ba1cbb493732c34da0358ca", "canonical_center_text_hash": "289debf4db5814d637c180d671ccca53b02cb951d000c27b4907c84185843533"}, "description_zh": "\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09", "comparison_data": {"view": "pg_stat_bgwriter", "field": "buffers_backend_fsync", "sql_type": "bigint", "units_mentioned": []}, "comparison_hash": "aa4618c11d8517b3f6334289c25c831f4c79277b37b93c84de57c533f79551f3", "manual_language": "zh", "units_mentioned": [], "description_zh_html": "<p>pg_stat_bgwriter.buffers_backend_fsync \u7edf\u8ba1\u5b57\u6bb5\u3002</p><dl><dt>\u89c6\u56fe</dt><dd><code>pg_stat_bgwriter</code></dd><dt>\u5b57\u6bb5</dt><dd><code>buffers_backend_fsync</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>\u540e\u7aef\u5fc5\u987b\u81ea\u884c\u6267\u884c fsync \u8c03\u7528\u7684\u6b21\u6570\uff08\u901a\u5e38\u5373\u4f7f\u540e\u7aef\u81ea\u884c\u5199\u5165\uff0c\u4e5f\u7531\u540e\u53f0\u5199\u5165\u5668\u5904\u7406\u8fd9\u4e9b\u8c03\u7528\uff09</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>"}}}, "snapshot": null, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}