December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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CXPACKET
This wait type is encountered when any thread is running in parallel. The CXPACKET wait type itself does not mean that there is really any problem on the SQL Server. But if such a wait type is accumulated very quickly, it may be a signal of skewed statistics, which require an update or a parallel scan on the table where proper indexes are missing.
The option for parallelism is controlled via MAX DOP setting, which can be configured on the following:
- The server level
- The database level
- A query level with a hint
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