"Cachestore flush"指的是SQL Server在执行某些数据库维护或重新配置操作时,会清空计划缓存(plan cache)中的特定缓存存储(cachestore)。计划缓存是SQL Server用于存储编译后的执行计划的内存区域,以提高查询性能。当发生"cachestore flush"时,SQL Server会丢弃缓存中的某些执行计划,这些计划需要
In SQL Server 2005 RTM and SP1, executing DBCC CHECKDB clears the plan cache for the instance of SQL Server. In SP2, executing DBCC CHECKDB does not clear the plan cache. [url]http://support.microsoft.com/kb/314546/zh-cn[/url] [url]http://support.microsoft.com/kb/917828/en-us[/url...
SQL Server has encountered 1 occurrence(s) of cachestore flush for the 'Object Plans' cachestore (part of plan cache) due to some database maintenance or reconfigure operations.2017-11-03 15:16 − ... realcp1018 0 1167 相关推荐 ...
Applies to: Azure SQL DatabaseEmpties the database authentication cache containing information about logins and firewall rules, for the current user database in SQL Database.DBCC FLUSHAUTHCACHE doesn't apply to the logical master database, because the master database contains the physical storage...
2017-11-01 09:49:47.85 spid166 SQL Server has encountered 1 occurrence(s) of cachestore flushforthe'Bound Trees'cachestore (part of plan cache) due to some database maintenance or reconfigure operations. 数据库ERRORLOG中出现类似记录,因此去查找相关的文档,发现SQL Server在做一些配置变更时会彻底...
Se o Repositório de Consultas para réplicas secundárias estiver habilitado, quando sys.sp_query_store_flush_db for executado em uma réplica secundária, o cache dessa réplica secundária será forçado a ser liberado para o cache na réplica primária. Isso pode acelerar a sin...
The FLUSH FEDERATED CACHE statement flushes the federated cache, allowing fresh metadata to be obtained the next time an SQL statement is issued against the remote table or view using a federated three part name.
FLUSH QUERY CACHE:清空查询缓存。 FLUSH TABLES WITH READ LOCK:刷新所有表并加读锁,常用于备份操作。 应用场景 数据库备份:在执行数据库备份前,使用 FLUSH TABLES WITH READ LOCK 可以确保备份过程中数据的一致性。 权限更新:修改了用户权限后,使用 FLUSH PRIVILEGES 确保新的权限设置立即生效。 解决缓存问题:当发...
FLUSH QUERY CACHE; 1. 这条语句将清除查询缓存中的所有内容,并将其重置为初始状态。 步骤三:清空InnoDB缓存 InnoDB是MySQL的一种存储引擎,有自己的缓存机制。如果你使用的是InnoDB引擎,你可能需要清空InnoDB缓存。执行以下SQL语句来完成: SETGLOBALinnodb_buffer_pool_size=0; ...
10.0 Plan Cache FlushArticle 01/17/2007 In SQL Server 2005, certain database maintenance operations or certain dbcc commands such as “dbcc freeproccache” or “dbcc freesystemcache” will clear the plan cache for the instance of SQL Server. Clearing the plan cache causes a recompilation of ...