{"Entry":{"collection":"metric","key":"pg_stat_slru-flushes","name":"pg_stat_slru.flushes","aliases":["flushes","pg_stat_slru"],"metadata":{"aliases":["flushes","pg_stat_slru"],"category":"pg_stat_slru","content_hash":"626b7aacc2b11c998935149dd8a50a1a0afcc0e94e3ae722b7f426383cdcc22a","imported_at":"2026-09-30T00:40:46.146398+08:00","name":"pg_stat_slru.flushes","name_zh":"","slug":"pg_stat_slru-flushes","summary":"Number of flushes of dirty data for this SLRU"}},"Definition":{"Collection":"metric","Key":"pg_stat_slru-flushes","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_slru-flushes","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"flushes","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_slru"},"comparison_hash":"8af4ff2e602777b41a05733bd24d5f42b63d620a5c45f3b2d2158e75b9ec14ac","description":["Number of flushes of dirty data for this SLRU"],"documented":true,"facts":[{"label":"View","value":"pg_stat_slru"},{"label":"Field","value":"flushes"},{"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":"flushes","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_slru columns","url":"/wiki/catalog/pg_stat_slru/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"release":{"channel":"stable","label":"18.6","major":"18","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["PostgreSQL accesses certain on-disk information via SLRU (simple least-recently-used) caches. 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The pg_stat_slru view will contain one row for each tracked SLRU cache, showing statistics about access to cached pages.\n\nFor each SLRU cache that's part of the core server, there is a configuration parameter that controls its size, with the suffix _buffers appended."],"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 flushes FROM pg_catalog.pg_stat_slru;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}