{"Entry":{"collection":"guc","key":"bgwriter_maxpages","name":"bgwriter_maxpages","aliases":[],"metadata":{"baseline":false,"boot_human":"Not specified","boot_val":null,"category":"Resource Usage","category_zh":"","changed_in":[],"changes":[{"documentation_changed":false,"fields":{},"from":"7.4","status":"added","to":"8.0"},{"documentation_changed":false,"fields":{},"from":"8.0","status":"removed","to":"8.1"}],"content_hash":"c0335e725ac6b3417307298fe783e752ea42d176c4eb208d4c1168a3f840f0d2","context":"","default_changed_in":[],"default_history":[],"editorial":{},"enumvals":[],"first_version":"8.0","group":"Resource Usage","group_slug":"resource","imported_at":"2026-09-27T17:57:30.898057+08:00","intro_commit":{},"key":"bgwriter_maxpages","last_version":"8.0","max_val":"","min_val":"","name":"bgwriter_maxpages","position":48,"present_in":["8.0"],"short_desc":"In each round, no more than this many dirty buffers will be written.","short_desc_zh":"","source_rev":"english-manuals:02cf47447f850712914aa6166d61b73e25fc59c2ad88bdfd2ae532a0fa553dcb","unit":"","vartype":"integer"}},"Definition":{"Collection":"guc","Key":"bgwriter_maxpages","SourceDatabase":"center","Version":"8.0","SourceTable":"guc","SourceKey":"bgwriter_maxpages","SourceRevision":"english-manuals:02cf47447f850712914aa6166d61b73e25fc59c2ad88bdfd2ae532a0fa553dcb","Facts":{"boot_val":null,"category":"Background Writer","context":"","description":"In each round, no more than this many dirty buffers will be written. The default value is 100. This option can only be set at server start or in the postgresql.conf file.","doc":{"anchor":"GUC-BGWRITER-MAXPAGES","file":"runtime-config.html","lang":"en","sha256":"72a93ce80bd103c3b342f31ff1521f30432ee39fdc4975c72731fa488d130f98","slug":"8.0"},"documented":true,"enumvals":[],"extra_desc":"","lang":"en","max_val":null,"metadata_version":"","min_val":null,"name":"bgwriter_maxpages","short_desc":"","source":"english-manual","unit":"","vartype":"integer"},"ManualEvidence":{"doc":{"anchor":"GUC-BGWRITER-MAXPAGES","file":"runtime-config.html","lang":"en","sha256":"72a93ce80bd103c3b342f31ff1521f30432ee39fdc4975c72731fa488d130f98","slug":"8.0"}},"MeasuredEvidence":{"metadata_version":""}},"Text":{"Collection":"guc","Key":"bgwriter_maxpages","SourceDatabase":"center","Version":"8.0","Locale":"en","Title":"bgwriter_maxpages","Summary":"In each round, no more than this many dirty buffers will be written. The default value is 100. This option can only be set at server start or in the postgresql.conf file.","BodyHTML":"\u003cp\u003eIn each round, no more than this many dirty buffers will be written. The default value is 100. This option can only be set at server start or in the postgresql.conf file.\u003c/p\u003e","SourceRevision":"english-manuals:02cf47447f850712914aa6166d61b73e25fc59c2ad88bdfd2ae532a0fa553dcb","ContentHash":"5b86c8dde7d31e8146f8970dd1fce0831a08e5d65e23a07b1f886b1a60ebfd63","Payload":{"description":"In each round, no more than this many dirty buffers will be written. The default value is 100. This option can only be set at server start or in the postgresql.conf file."}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["8.0"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}