WebMar 9, 2024 · Enables or disables a compiled plan stub to be stored in cache when a batch is compiled for the first time. The default is OFF. Once the database scoped configuration OPTIMIZE_FOR_AD_HOC_WORKLOADS is enabled for a database, a compiled plan stub will be stored in cache when a batch is compiled for the first time. WebFrom the link provided by @SQLFox - The compiled plan stub allows the Database Engine to recognize that this ad hoc batch has been compiled before but has only stored a …
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WebThe reason that the size_in_bytes field of the sys.dm_exec_cached_plans DMV, at least in terms of "Compiled Plans", is larger than the CachedPlanSize attribute of the QueryPlan node in the XML plan is because a Compiled Plan is not the same thing as a Query Plan. A Compiled Plan is comprised of multiple Memory Objects, the combined size of which … WebJan 24, 2024 · The optimize for ad hoc workloads option is used to improve the efficiency of the plan cache for workloads that contain many single-use ad-hoc batches (typically seen in DRS replication) When this option is set to 1, the Database Engine stores a small compiled plan stub in the plan cache (as opposed to the full compiled plan) when a batch is ... broomfield farm shop
ALTER DATABASE SCOPED CONFIGURATION (Transact-SQL) - Github
WebApr 11, 2024 · War Plan Black. One of the United States color-coded war plans, War Plan Black was the name of an American military plan to fight Germany in the early 20th century. The best-known version was conceived as a contingency plan during World War I in case France fell and the Germans attempted to seize French possessions in the Caribbean or … WebJul 2, 2012 · This metric measures the total number of one-time use ad hoc queries in the plan cache that have been stored in the form of a stub, not as a full execution plan. It will … WebJun 9, 2008 · There's a couple of features that show up in RC0 that are performance related. One is a server setting 'optimize for ad hoc workloads'. This one tells SQL Server to save a "compiled plan stub" in the query cache for adhoc queries, rather than the query plan that's usually saved. You can see these stubs as cacheobjtype 'Compiled Plan Stub' in ... careone wayne nj