{"Entry":{"collection":"metric","key":"pg_stat_progress_vacuum-pid","name":"pg_stat_progress_vacuum.pid","aliases":["pid","pg_stat_progress_vacuum"],"metadata":{"aliases":["pid","pg_stat_progress_vacuum"],"category":"pg_stat_progress_vacuum","content_hash":"3efb36b82600dc19da54440e99bbc23bd42add42967c5effd91b649aedfdd759","derived_content_hash":"09ef0e843e6f8e3b3e0c53e36c4381ef32548d1038a5fec6e7e0b600cd3f66d5","imported_at":"2026-09-30T00:40:45.998695+08:00","name":"pg_stat_progress_vacuum.pid","name_zh":"","slug":"pg_stat_progress_vacuum-pid","summary":"Process ID of backend."}},"Definition":{"Collection":"metric","Key":"pg_stat_progress_vacuum-pid","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_progress_vacuum-pid","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"pid","sql_type":"integer","units_mentioned":[],"view":"pg_stat_progress_vacuum"},"comparison_hash":"cb5c3f1f282d06cdddd03acadf016819645b14df3cd159a755b86b6eff8459c8","description":["Process ID of backend."],"description_zh":"后端的进程 ID。","description_zh_html":"\u003cp\u003epg_stat_progress_vacuum.pid 统计字段。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e视图\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epg_stat_progress_vacuum\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e字段\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epid\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003eSQL 类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003einteger\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后端的进程 ID。\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/progress-reporting.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_progress_vacuum"},{"label":"Field","value":"pid"},{"label":"SQL type","value":"integer"},{"label":"Units named in the field definition","value":"Not specified"},{"label":"Reset observation","value":"No stats_reset field is documented for this view"}],"facts_zh":[{"label":"视图","value":"pg_stat_progress_vacuum"},{"label":"字段","value":"pid"},{"label":"SQL 类型","value":"integer"},{"label":"字段定义记载的单位","value":"未指定"},{"label":"重置条件","value":"手册未为此视图记载 stats_reset 字段"}],"field":"pid","manual_html":"","manual_path":"/docs/18/progress-reporting.html","related":[{"label":"pg_stat_progress_vacuum columns","url":"/wiki/catalog/pg_stat_progress_vacuum/?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":["Whenever VACUUM is running, the pg_stat_progress_vacuum view will contain one row for each backend (including autovacuum worker processes) that is currently vacuuming. 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