{"Entry":{"collection":"metric","key":"pg_stat_checkpointer-write_time","name":"pg_stat_checkpointer.write_time","aliases":["write_time","pg_stat_checkpointer"],"metadata":{"aliases":["write_time","pg_stat_checkpointer"],"category":"pg_stat_checkpointer","content_hash":"dd394e8bbed2f946dc261a91e90afa7bb03014b0a7124ab6f3c7c9b7e53510f4","derived_content_hash":"ef59f3abb8c0ed876073b13da1e982515bd26f4ce69499d95385045d6c2a9fbe","imported_at":"2026-09-30T00:40:45.517341+08:00","name":"pg_stat_checkpointer.write_time","name_zh":"","slug":"pg_stat_checkpointer-write_time","summary":"Total amount of time that has been spent in the portion of processing checkpoints and restartpoints where files are written to disk, in milliseconds"}},"Definition":{"Collection":"metric","Key":"pg_stat_checkpointer-write_time","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_checkpointer-write_time","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"write_time","sql_type":"double precision","units_mentioned":["milliseconds"],"view":"pg_stat_checkpointer"},"comparison_hash":"0195647065406abfc8f57f151ec43ed36bff669efcac1dfffcb636205d5e096e","description":["Total amount of time that has been spent in the portion of processing checkpoints and restartpoints where files are written to disk, in milliseconds"],"description_zh":"处理检查点和重启点时，将文件写入磁盘阶段所花费的总时间，以毫秒计","description_zh_html":"\u003cp\u003epg_stat_checkpointer.write_time 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_checkpointer\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003ewrite_time\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003edouble precision\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处理检查点和重启点时，将文件写入磁盘阶段所花费的总时间，以毫秒计\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_checkpointer"},{"label":"Field","value":"write_time"},{"label":"SQL type","value":"double precision"},{"label":"Units named in the field definition","value":"milliseconds"},{"label":"Reset observation","value":"Time at which these statistics were last reset"}],"facts_zh":[{"label":"视图","value":"pg_stat_checkpointer"},{"label":"字段","value":"write_time"},{"label":"SQL 类型","value":"double precision"},{"label":"字段定义记载的单位","value":"milliseconds"},{"label":"重置条件","value":"这些统计上次重置的时间"}],"field":"write_time","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. 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