{"Entry":{"collection":"waitevent","key":"buffer/BufferCleanup","name":"BufferCleanup","aliases":["BufferCleanup"],"metadata":{"aliases":["BufferCleanup"],"changed_in":[],"changes":[{"from":"18","moved":null,"renamed":null,"reworded":null,"status":"added","to":"19"}],"content_hash":"37b191053f293a8e07ee42e1e8444888669ff5f87e8c0fa42867e6e79de04f0a","dossier":{},"first_version":"19","has_dossier":false,"imported_at":"2026-09-27T17:57:32.505251+08:00","key":"buffer/buffercleanup","last_version":"20","name":"BufferCleanup","position":20,"present_in":["19","20"],"slug":"buffer-cleanup","source_rev":"english-manuals:7a4be0741c0af1db14f9120d40c42f945752ec723d876caacb5b53069e326d0e","summary":"Waiting to acquire an exclusive pin on a buffer.","summary_zh":"","type":"Buffer","type_slug":"buffer","type_variants":["Buffer"]}},"Definition":{"Collection":"waitevent","Key":"buffer/BufferCleanup","SourceDatabase":"center","Version":"20","SourceTable":"waitevent","SourceKey":"buffer/buffercleanup","SourceRevision":"english-manuals:7a4be0741c0af1db14f9120d40c42f945752ec723d876caacb5b53069e326d0e","Facts":{"description":"Waiting to acquire an exclusive pin on a buffer. Buffer pin waits can be protracted if another process holds an open cursor that last read data from the buffer in question.","description_zh":"","doc":{"anchor":"WAIT-EVENT-BUFFER-TABLE","file":"monitoring-stats.html","lang":"en","sha256":"dfc27a108b70bdf88f310801ae3db011a8f608befd927722e5f3e9bdcc070251","slug":"devel"},"lang":"en","name":"BufferCleanup","source":"english-manual","type":"Buffer","zh_from":""},"ManualEvidence":{"doc":{"anchor":"WAIT-EVENT-BUFFER-TABLE","file":"monitoring-stats.html","lang":"en","sha256":"dfc27a108b70bdf88f310801ae3db011a8f608befd927722e5f3e9bdcc070251","slug":"devel"}},"MeasuredEvidence":{}},"Text":{"Collection":"waitevent","Key":"buffer/BufferCleanup","SourceDatabase":"pgweb","Version":"20","Locale":"zh-Hans","Title":"BufferCleanup","Summary":"等待获得缓冲区上的独占钉住。如果另一个进程持有尚未关闭的游标，且该游标最近一次读取的数据来自该缓冲区，缓冲区钉住等待可能会持续较长时间。","BodyHTML":"\u003cp\u003e等待获得缓冲区上的独占钉住。如果另一个进程持有尚未关闭的游标，且该游标最近一次读取的数据来自该缓冲区，缓冲区钉住等待可能会持续较长时间。\u003c/p\u003e","SourceRevision":"2026-08-31@34d13c8","ContentHash":"ee92f7dd112099d6fcdf7eb5fecdfd5527dd1efcebf903caf50be472049af729","Payload":{"description_zh":"等待获得缓冲区上的独占钉住。如果另一个进程持有尚未关闭的游标，且该游标最近一次读取的数据来自该缓冲区，缓冲区钉住等待可能会持续较长时间。","zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}