{"Entry":{"collection":"guc","key":"max_fsm_relations","name":"max_fsm_relations","aliases":[],"metadata":{"baseline":true,"boot_human":"Not specified","boot_val":null,"category":"Resource Usage","category_zh":"","changed_in":[],"changes":[{"documentation_changed":true,"fields":{},"from":"8.0","status":"changed","to":"8.1"},{"documentation_changed":true,"fields":{},"from":"8.1","status":"changed","to":"8.2"},{"documentation_changed":false,"fields":{},"from":"8.3","status":"removed","to":"8.4"}],"content_hash":"2d81ca3853b095fa092fb523cc9496dbf23436e42e7ac40e3080d8ab81f538e7","context":"","default_changed_in":[],"default_history":[],"editorial":{},"enumvals":[],"first_version":"7.4","group":"Resource Usage","group_slug":"resource","imported_at":"2026-09-27T17:57:31.687788+08:00","intro_commit":{},"key":"max_fsm_relations","last_version":"8.3","max_val":"","min_val":"","name":"max_fsm_relations","position":266,"present_in":["7.4","8.0","8.1","8.2","8.3"],"short_desc":"Sets the maximum number of relations (tables and indexes) for which free space will be tracked in the shared free-space map.","short_desc_zh":"","source_rev":"english-manuals:ed6e7fec4f546a10ee5c015aa258209429880bc85d7819f929d6fc914180489e","unit":"","vartype":"integer"}},"Definition":{"Collection":"guc","Key":"max_fsm_relations","SourceDatabase":"center","Version":"8.3","SourceTable":"guc","SourceKey":"max_fsm_relations","SourceRevision":"english-manuals:ed6e7fec4f546a10ee5c015aa258209429880bc85d7819f929d6fc914180489e","Facts":{"boot_val":null,"category":"Free Space Map","context":"","description":"Sets the maximum number of relations (tables and indexes) for which free space will be tracked in the shared free-space map. Roughly seventy bytes of shared memory are consumed for each slot. The default is one thousand relations. This parameter can only be set at server start.","doc":{"anchor":"GUC-MAX-FSM-RELATIONS","file":"runtime-config-resource.html","lang":"en","sha256":"98b3e1ab6318e0ba744b9b869412465634f0a7d46332f869e6ea4c5e3f5dd05d","slug":"8.3"},"documented":true,"enumvals":[],"extra_desc":"","lang":"en","max_val":null,"metadata_version":"","min_val":null,"name":"max_fsm_relations","short_desc":"","source":"english-manual","unit":"","vartype":"integer"},"ManualEvidence":{"doc":{"anchor":"GUC-MAX-FSM-RELATIONS","file":"runtime-config-resource.html","lang":"en","sha256":"98b3e1ab6318e0ba744b9b869412465634f0a7d46332f869e6ea4c5e3f5dd05d","slug":"8.3"}},"MeasuredEvidence":{"metadata_version":""}},"Text":{"Collection":"guc","Key":"max_fsm_relations","SourceDatabase":"center","Version":"8.3","Locale":"en","Title":"max_fsm_relations","Summary":"Sets the maximum number of relations (tables and indexes) for which free space will be tracked in the shared free-space map. Roughly seventy bytes of shared memory are consumed for each slot. The default is one thousand relations. This parameter can only be set at server start.","BodyHTML":"\u003cp\u003eSets the maximum number of relations (tables and indexes) for which free space will be tracked in the shared free-space map. Roughly seventy bytes of shared memory are consumed for each slot. The default is one thousand relations. This parameter can only be set at server start.\u003c/p\u003e","SourceRevision":"english-manuals:ed6e7fec4f546a10ee5c015aa258209429880bc85d7819f929d6fc914180489e","ContentHash":"eaa82eae539e6b22839ca45af04dfa85e68882507872be08caa179156cfc13b9","Payload":{"description":"Sets the maximum number of relations (tables and indexes) for which free space will be tracked in the shared free-space map. Roughly seventy bytes of shared memory are consumed for each slot. The default is one thousand relations. This parameter can only be set at server start."}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["7.4","8.0","8.1","8.2","8.3"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}