{"Entry":{"collection":"metric","key":"pg_stat_database-checksum_failures","name":"pg_stat_database.checksum_failures","aliases":["checksum_failures","pg_stat_database"],"metadata":{"aliases":["checksum_failures","pg_stat_database"],"category":"pg_stat_database","content_hash":"52d0c2b5033ead1420d012b4bcec75a6b362d655a7301d32b05141a20aa64ff0","imported_at":"2026-09-30T00:40:45.545341+08:00","name":"pg_stat_database.checksum_failures","name_zh":"","slug":"pg_stat_database-checksum_failures","summary":"Number of data page checksum failures detected in this database (or on a shared object). Detected failures are not reset if the data_checksums setting changes. Clusters which are initialized without data checksums will show this as 0. In PostgreSQL version 18 and earlier, this was set to NULL for clusters with data checksums disabled."}},"Definition":{"Collection":"metric","Key":"pg_stat_database-checksum_failures","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_database-checksum_failures","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"checksum_failures","sql_type":"bigint","units_mentioned":[],"view":"pg_stat_database"},"comparison_hash":"ed08c9d384aa7ac60e4e6e6526e14d7dec15af7d8c643e8a3d74be495ece761b","description":["Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are disabled."],"documented":true,"facts":[{"label":"View","value":"pg_stat_database"},{"label":"Field","value":"checksum_failures"},{"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":"checksum_failures","manual_html":"","manual_path":"/docs/18/monitoring-stats.html","related":[{"label":"pg_stat_database columns","url":"/wiki/catalog/pg_stat_database/?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_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics."],"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 checksum_failures FROM pg_catalog.pg_stat_database;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"signature":"SELECT checksum_failures FROM pg_catalog.pg_stat_database;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"monitoring-stats.html","sha256":"aa979eed08627fbf715a9d792094a162a73671db5af810f3ab2aad3e073d5722","url":"/docs/18/monitoring-stats.html#PG-STAT-DATABASE-VIEW"}],"sql_type":"bigint","tables":[],"units_mentioned":[],"view":"pg_stat_database"},"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-DATABASE-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_database-checksum_failures","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_database.checksum_failures","Summary":"Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are disabled.","BodyHTML":"\u003cp\u003eNumber of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are disabled.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"9b0c465d2a5a1940fb7c03dc880e256dfd3a43a5e21ecc06151a4b3717322b35","Payload":{"description":["Number of data page checksum failures detected in this database (or on a shared object), or NULL if data checksums are disabled."],"manual_html":"","related":[{"label":"pg_stat_database columns","url":"/wiki/catalog/pg_stat_database/?v=18"},{"label":"Statistics collection and reset functions","url":"/docs/18/monitoring-stats.html"}],"sections":[{"paragraphs":["The pg_stat_database view will contain one row for each database in the cluster, plus one for shared objects, showing database-wide statistics."],"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 checksum_failures FROM pg_catalog.pg_stat_database;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}