{"Entry":{"collection":"metric","key":"pg_stat_bgwriter-checkpoints_req","name":"pg_stat_bgwriter.checkpoints_req","aliases":["checkpoints_req","pg_stat_bgwriter"],"metadata":{"aliases":["checkpoints_req","pg_stat_bgwriter"],"category":"pg_stat_bgwriter","content_hash":"a9d192e091f4ad2b3a4350fcb1e741add50e632ba027ce40446e615977444f0d","imported_at":"2026-09-30T00:40:45.481449+08:00","name":"pg_stat_bgwriter.checkpoints_req","name_zh":"","slug":"pg_stat_bgwriter-checkpoints_req","summary":"Number of requested checkpoints that have been performed"}},"Definition":{"Collection":"metric","Key":"pg_stat_bgwriter-checkpoints_req","SourceDatabase":"center","Version":"16","SourceTable":"statistics_metric","SourceKey":"pg_stat_bgwriter-checkpoints_req","SourceRevision":"c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed","Facts":{"comparison_data":{"field":"checkpoints_req","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_bgwriter"},"comparison_hash":"c1fd5cce3676b06376110db8f05ab5bf2f97555d2f838fc8ad4f4f18b915a908","description":["Number of requested checkpoints that have been performed"],"documented":true,"facts":[{"label":"View","value":"pg_stat_bgwriter"},{"label":"Field","value":"checkpoints_req"},{"label":"SQL type","value":"bigint"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"Time at which these statistics were last reset"}],"field":"checkpoints_req","manual_html":"","manual_path":"/docs/16/monitoring-stats.html","related":[{"label":"pg_stat_bgwriter columns","url":"/wiki/catalog/pg_stat_bgwriter/?v=16"},{"label":"Statistics collection and reset functions","url":"/docs/16/monitoring-stats.html"}],"release":{"channel":"stable","label":"16.15","major":"16","ref":"https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2","revision":"c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"},"sections":[{"paragraphs":["The pg_stat_bgwriter view will always have a single row, containing global data for the cluster."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT checkpoints_req FROM pg_catalog.pg_stat_bgwriter;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT checkpoints_req FROM pg_catalog.pg_stat_bgwriter;","source_only":false,"sources":[{"label":"PostgreSQL 16 English manual","path":"monitoring-stats.html","sha256":"a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086","url":"/docs/16/monitoring-stats.html#PG-STAT-BGWRITER-VIEW"}],"sql_type":"bigint","tables":[],"units_mentioned":[],"view":"pg_stat_bgwriter"},"ManualEvidence":{"manual_path":"/docs/16/monitoring-stats.html","release":{"channel":"stable","label":"16.15","major":"16","ref":"https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2","revision":"c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"},"sources":[{"label":"PostgreSQL 16 English manual","path":"monitoring-stats.html","sha256":"a4c274defe8a41ff2895040cd542b5499063b844669ff3336de1a1317c3fe086","url":"/docs/16/monitoring-stats.html#PG-STAT-BGWRITER-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_bgwriter-checkpoints_req","SourceDatabase":"center","Version":"16","Locale":"en","Title":"pg_stat_bgwriter.checkpoints_req","Summary":"Number of requested checkpoints that have been performed","BodyHTML":"\u003cp\u003eNumber of requested checkpoints that have been performed\u003c/p\u003e","SourceRevision":"c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed","ContentHash":"8c2276a22b2fe8aa4fff6b164dc3432aab658f9e209f0566343fb8e97ee1e270","Payload":{"description":["Number of requested checkpoints that have been performed"],"manual_html":"","related":[{"label":"pg_stat_bgwriter columns","url":"/wiki/catalog/pg_stat_bgwriter/?v=16"},{"label":"Statistics collection and reset functions","url":"/docs/16/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_bgwriter view will always have a single row, containing global data for the cluster."],"title":"View semantics"},{"paragraphs":["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."],"title":"Collection and reset context"},{"code":"SELECT checkpoints_req FROM pg_catalog.pg_stat_bgwriter;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}
