{"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","derived_content_hash":"39d4a36253ebcc1594cab9286db6944a96b6e5e9e21c65b05df838c6f9e1824f","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."],"description_zh":"在此数据库（或共享对象）中检测到的数据页校验和失败次数，如果未启用数据校验和则为 NULL。","description_zh_html":"\u003cp\u003epg_stat_database.checksum_failures 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_database\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003echecksum_failures\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003ebigint\u003c/code\u003e\u003c/dd\u003e\u003c/dl\u003e\u003ch3\u003e同版本中文手册定义\u003c/h3\u003e\u003cp\u003e在此数据库（或共享对象）中检测到的数据页校验和失败次数，如果未启用数据校验和则为 NULL。\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/monitoring-stats.html#\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e","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"}],"facts_zh":[{"label":"视图","value":"pg_stat_database"},{"label":"字段","value":"checksum_failures"},{"label":"SQL 类型","value":"bigint"},{"label":"字段定义记载的单位","value":"未指定"},{"label":"重置条件","value":"这些统计上次重置的时间"}],"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. 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