BROOD
发表于 2025-3-21 19:05:46
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blister
发表于 2025-3-21 20:32:29
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条约
发表于 2025-3-22 03:09:18
IO-Related Wait Typest types are frequently related to storage, but they are not included in this chapter. The reason for this is because they are also a latch Wait Type, and I believe latch wait types deserve a separate chapter because of their function in SQL Server.
BADGE
发表于 2025-3-22 06:07:13
Lock-Related Wait Typester and Theo Härder. These ACID properties are enforced upon single operations, which we know as transactions. The acronym ACID consists of four characteristics that guarantee data reliability inside transactions. The following list describes each of these characteristics:
Thyroxine
发表于 2025-3-22 08:57:41
Preemptive Wait Typesmanage that thread. While SQL Server is waiting for the preemptive thread inside the Windows operating system to complete, SQL Server will record a wait on a preemptive wait type. Figure 11-1 shows a graphical representation of this behavior.
贝雷帽
发表于 2025-3-22 16:48:32
The Query Storermed, and what execution plan was used during execution of the query. While the Query Store did not initially expose wait statistics that were encountered during query execution, the release of SQL Server 2017 included that much awaited addition.
Banquet
发表于 2025-3-22 19:05:32
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maintenance
发表于 2025-3-22 21:52:45
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mortuary
发表于 2025-3-23 02:26:09
Background and Miscellaneous Wait Typeshese background processes. While these background wait types are not directly related to performance problems, they frequently have the highest wait time and will show up at the top of the wait time list when you query the top wait types ordered by wait time.
法律
发表于 2025-3-23 09:34:13
Provides guidance for lowering the occurrence of high-impact.Here is a practical guide for analyzing and troubleshooting SQL Server performance using wait statistics. Learn to identify precisely why your queries are running slowly. Measure the amount of time consumed by each bottleneck so that you c