{"Entry":{"collection":"guc","key":"vacuum_mem","name":"vacuum_mem","aliases":[],"metadata":{"baseline":true,"boot_human":"Not specified","boot_val":null,"category":"Resource Usage","category_zh":"","changed_in":[],"changes":[{"documentation_changed":false,"fields":{},"from":"7.4","status":"removed","to":"8.0"}],"content_hash":"1f944bedb32e444d6fff1a33b6853b9f577c5c35e3c1c12c2d08ad61ab49c929","context":"","default_changed_in":[],"default_history":[],"editorial":{},"enumvals":[],"first_version":"7.4","group":"Resource Usage","group_slug":"resource","imported_at":"2026-09-27T17:57:32.297887+08:00","intro_commit":{},"key":"vacuum_mem","last_version":"7.4","max_val":"","min_val":"","name":"vacuum_mem","position":456,"present_in":["7.4"],"short_desc":"Specifies the maximum amount of memory to be used by VACUUM to keep track of to-be-reclaimed rows.","short_desc_zh":"","source_rev":"english-manuals:ed0fb8d86ef01b239a99077edb382d65de40b9b2d29f08266571b56c80d2fbb8","unit":"","vartype":"integer"}},"Definition":{"Collection":"guc","Key":"vacuum_mem","SourceDatabase":"center","Version":"7.4","SourceTable":"guc","SourceKey":"vacuum_mem","SourceRevision":"english-manuals:ed0fb8d86ef01b239a99077edb382d65de40b9b2d29f08266571b56c80d2fbb8","Facts":{"boot_val":null,"category":"Memory","context":"","description":"Specifies the maximum amount of memory to be used by VACUUM to keep track of to-be-reclaimed rows. The value is specified in kilobytes, and defaults to 8192 kB. Larger settings may improve the speed of vacuuming large tables that have many deleted rows.","doc":{"anchor":"","file":"runtime-config.html","lang":"en","sha256":"db6750fe46525c2444669b3dc4a246291376e4318cc344bf5606f4a68c08517b","slug":"7.4"},"documented":true,"enumvals":[],"extra_desc":"","lang":"en","max_val":null,"metadata_version":"","min_val":null,"name":"vacuum_mem","short_desc":"","source":"english-manual","unit":"","vartype":"integer"},"ManualEvidence":{"doc":{"anchor":"","file":"runtime-config.html","lang":"en","sha256":"db6750fe46525c2444669b3dc4a246291376e4318cc344bf5606f4a68c08517b","slug":"7.4"}},"MeasuredEvidence":{"metadata_version":""}},"Text":{"Collection":"guc","Key":"vacuum_mem","SourceDatabase":"center","Version":"7.4","Locale":"en","Title":"vacuum_mem","Summary":"Specifies the maximum amount of memory to be used by VACUUM to keep track of to-be-reclaimed rows. The value is specified in kilobytes, and defaults to 8192 kB. Larger settings may improve the speed of vacuuming large tables that have many deleted rows.","BodyHTML":"\u003cp\u003eSpecifies the maximum amount of memory to be used by VACUUM to keep track of to-be-reclaimed rows. The value is specified in kilobytes, and defaults to 8192 kB. Larger settings may improve the speed of vacuuming large tables that have many deleted rows.\u003c/p\u003e","SourceRevision":"english-manuals:ed0fb8d86ef01b239a99077edb382d65de40b9b2d29f08266571b56c80d2fbb8","ContentHash":"5d97e23d209a25634653af618f3341ca8244059d210655f26d5c57f121b6503b","Payload":{"description":"Specifies the maximum amount of memory to be used by VACUUM to keep track of to-be-reclaimed rows. The value is specified in kilobytes, and defaults to 8192 kB. Larger settings may improve the speed of vacuuming large tables that have many deleted rows."}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["7.4"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}