{"Entry":{"collection":"metric","key":"pg_stat_checkpointer-slru_written","name":"pg_stat_checkpointer.slru_written","aliases":["slru_written","pg_stat_checkpointer"],"metadata":{"aliases":["slru_written","pg_stat_checkpointer"],"category":"pg_stat_checkpointer","content_hash":"8909e3a8d7bab9b695916e1252b550f6253a4ca5964de6ba80508d8cde04420d","imported_at":"2026-09-30T00:40:45.50988+08:00","name":"pg_stat_checkpointer.slru_written","name_zh":"","slug":"pg_stat_checkpointer-slru_written","summary":"Number of SLRU buffers written during checkpoints and restartpoints"}},"Definition":{"Collection":"metric","Key":"pg_stat_checkpointer-slru_written","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_checkpointer-slru_written","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"slru_written","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_checkpointer"},"comparison_hash":"2ed07ef8f6108b8ca27fd50a2957b85a8db4d878b97bfe08ecc5d8ef545ec1e3","description":["Number of SLRU buffers written during checkpoints and restartpoints"],"documented":true,"facts":[{"label":"View","value":"pg_stat_checkpointer"},{"label":"Field","value":"slru_written"},{"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":"slru_written","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_checkpointer columns","url":"/wiki/catalog/pg_stat_checkpointer/?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":["The pg_stat_checkpointer view will always have a single row, containing data about the checkpointer process of 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 slru_written FROM pg_catalog.pg_stat_checkpointer;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT slru_written FROM pg_catalog.pg_stat_checkpointer;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-CHECKPOINTER-VIEW"}],"sql_type":"bigint","tables":[],"units_mentioned":[],"view":"pg_stat_checkpointer"},"ManualEvidence":{"manual_path":"/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"},"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-CHECKPOINTER-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_checkpointer-slru_written","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_checkpointer.slru_written","Summary":"Number of SLRU buffers written during checkpoints and restartpoints","BodyHTML":"\u003cp\u003eNumber of SLRU buffers written during checkpoints and restartpoints\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"73afa4a58a9ba39c01cf27eab432112dd57d559b39b3f17fd8da7008e9aaac53","Payload":{"description":["Number of SLRU buffers written during checkpoints and restartpoints"],"manual_html":"","related":[{"label":"pg_stat_checkpointer columns","url":"/wiki/catalog/pg_stat_checkpointer/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_checkpointer view will always have a single row, containing data about the checkpointer process of 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 slru_written FROM pg_catalog.pg_stat_checkpointer;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}