{"Entry":{"collection":"metric","key":"pg_stat_progress_vacuum-delay_time","name":"pg_stat_progress_vacuum.delay_time","aliases":["delay_time","pg_stat_progress_vacuum"],"metadata":{"aliases":["delay_time","pg_stat_progress_vacuum"],"category":"pg_stat_progress_vacuum","content_hash":"1b7fc91ff723d61432ae902d2a20d82e46e86e93e5b363fb7cfd30f39e3bfe90","derived_content_hash":"42093fb68b744dba4e170d898b7646a4b376a5ba150499274067b080b449bf1d","imported_at":"2026-09-30T00:40:45.965618+08:00","name":"pg_stat_progress_vacuum.delay_time","name_zh":"","slug":"pg_stat_progress_vacuum-delay_time","summary":"Total time spent sleeping due to cost-based delay (see Section 19.10.2), in milliseconds (if track_cost_delay_timing is enabled, otherwise zero). This includes the time that any associated parallel workers have slept. However, parallel workers report their sleep time no more frequently than once per second, so the reported value may be slightly stale."}},"Definition":{"Collection":"metric","Key":"pg_stat_progress_vacuum-delay_time","SourceDatabase":"center","Version":"18","SourceTable":"statistics_metric","SourceKey":"pg_stat_progress_vacuum-delay_time","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"comparison_data":{"field":"delay_time","sql_type":"double precision","units_mentioned":["milliseconds"],"view":"pg_stat_progress_vacuum"},"comparison_hash":"a867771974d827fb2050b817da26aeacb56a4900a8559fd6cc7bb7d7a442bb65","description":["Total time spent sleeping due to cost-based delay (see Section 19.10.2), in milliseconds (if track_cost_delay_timing is enabled, otherwise zero). This includes the time that any associated parallel workers have slept. However, parallel workers report their sleep time no more frequently than once per second, so the reported value may be slightly stale."],"description_zh":"因基于代价的延迟而睡眠的总时间（参见第 19.10.2 节），以毫秒计（如果启用了 track_cost_delay_timing，否则为零）。这包括任何相关并行工作进程的睡眠时间；不过，并行工作进程最多每秒才会上报一次自己的睡眠时间，因此该值可能略有滞后。","description_zh_html":"\u003cp\u003epg_stat_progress_vacuum.delay_time 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\u003edelay_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因基于代价的延迟而睡眠的总时间（参见第 19.10.2 节），以毫秒计（如果启用了 track_cost_delay_timing，否则为零）。这包括任何相关并行工作进程的睡眠时间；不过，并行工作进程最多每秒才会上报一次自己的睡眠时间，因此该值可能略有滞后。\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":"delay_time"},{"label":"SQL type","value":"double precision"},{"label":"Units named in the field definition","value":"milliseconds"},{"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":"delay_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":"手册未为此视图记载 stats_reset 字段"}],"field":"delay_time","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. The tables below describe the information that will be reported and provide information about how to interpret it. Progress for VACUUM FULL commands is reported via pg_stat_progress_cluster because both VACUUM FULL and CLUSTER rewrite the table, while regular VACUUM only modifies it in place. See Section 27.4.2."],"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 delay_time FROM pg_catalog.pg_stat_progress_vacuum;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"sections_zh":[{"paragraphs":["运行 VACUUM 时，pg_stat_progress_vacuum 视图会为当前执行清理的每个后端（包括 autovacuum 工作进程）提供一行。下列表格说明所报告的信息及其解读方式。VACUUM FULL 的进度通过 pg_stat_progress_cluster 报告，因为 VACUUM FULL 和 CLUSTER 都会重写表，而普通 VACUUM 只进行原地修改。见第 27.4.2 节。"],"title":"视图语义"},{"paragraphs":["重置范围和可见性请参阅下方同版本的统计信息收集与视图文档。不根据字段名称推断各字段的重置规则。"],"title":"采集与重置语义"},{"code":"SELECT delay_time FROM pg_catalog.pg_stat_progress_vacuum;","paragraphs":["示例查询；不表示已执行，也不提供实测值。"],"title":"查看此字段"}],"signature":"SELECT delay_time FROM pg_catalog.pg_stat_progress_vacuum;","source_only":false,"sources":[{"label":"PostgreSQL 18 English manual","path":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-VACUUM-VIEW"}],"sql_type":"double precision","tables":[],"tables_zh":[],"units_mentioned":["milliseconds"],"view":"pg_stat_progress_vacuum","zh_from":{"authored_translation":"source-derived-structured-summary","body_sha256":"b7ef4c67d35b06d0de3ebb80fe707e05df0d39baec95cef6f3a0fd27c7af07f5","kind":"same-version-chinese-manual-with-source-derived-structured-summary","manual":{"anchor":"","build_id":107,"column":"delay_time","extraction":"exact-catalog-field","locale":"zh-Hans","page_key":"progress-reporting.html","source_hash":"59d508f5be60d650bf0ed9ec10531162651c9eb030752aec3874544e10c879e2","source_revision":"unknown:rendered-translation-baseline","translation_revision":"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b","url":"/zh/docs/18/progress-reporting.html#","version":"18"},"runtime_rerun":false,"source_facts_revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}},"ManualEvidence":{"manual_path":"/docs/18/progress-reporting.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":"progress-reporting.html","sha256":"a1f46d2b670502bfe75f1cf5192050ef2ef68202a8f928c4915abea0f4f71ae6","url":"/docs/18/progress-reporting.html#PG-STAT-PROGRESS-VACUUM-VIEW"}]},"MeasuredEvidence":{}},"Text":{"Collection":"metric","Key":"pg_stat_progress_vacuum-delay_time","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_stat_progress_vacuum.delay_time","Summary":"Total time spent sleeping due to cost-based delay (see Section 19.10.2), in milliseconds (if track_cost_delay_timing is enabled, otherwise zero). This includes the time that any associated parallel workers have slept. However, parallel workers report their sleep time no more frequently than once per second, so the reported value may be slightly stale.","BodyHTML":"\u003cp\u003eTotal time spent sleeping due to cost-based delay (see Section 19.10.2), in milliseconds (if track_cost_delay_timing is enabled, otherwise zero). This includes the time that any associated parallel workers have slept. However, parallel workers report their sleep time no more frequently than once per second, so the reported value may be slightly stale.\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"a170986468171f10466958563802a8ef250ce87f73f8a894123357f260f97da5","Payload":{"description":["Total time spent sleeping due to cost-based delay (see Section 19.10.2), in milliseconds (if track_cost_delay_timing is enabled, otherwise zero). This includes the time that any associated parallel workers have slept. However, parallel workers report their sleep time no more frequently than once per second, so the reported value may be slightly stale."],"manual_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"}],"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. The tables below describe the information that will be reported and provide information about how to interpret it. Progress for VACUUM FULL commands is reported via pg_stat_progress_cluster because both VACUUM FULL and CLUSTER rewrite the table, while regular VACUUM only modifies it in place. See Section 27.4.2."],"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 delay_time FROM pg_catalog.pg_stat_progress_vacuum;","paragraphs":["Example query; no execution result or measured value is asserted."],"title":"Inspect this field"}],"tables":[]}},"RequestedLocale":"en","Fallback":false,"Versions":["18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}