Wait statistics, in the context of SQL Server, refer to the amount of time that a query spends waiting to access data in the database. When a client application requests data from the database, the request is placed in a queue and the client application must wait for its turn to access the data. The time that the query spends waiting is called a “wait” and is tracked by SQL Server. This information can be used to identify potential performance bottlenecks and optimize the performance of the database. Wait statistics are commonly used by database administrators to diagnose and troubleshoot performance issues in SQL Server.
If you are having performance issues associated with this wait type and need some help, please contact us with our 30 minute consultation link.
The CXPACKET wait type is a common wait type that occurs in SQL Server when a query is executing in parallel. This means that the query is being executed by multiple threads at the same time, with each thread working on a different part of the query. The CXPACKET wait type indicates that SQL Server is waiting for all of the threads to finish before it can complete the query.
More details avilable on this wait type here: http://DatabaseHealth.com/Waits/CXPACKET.html
Do you have a favorite tool for monitoring your wait statistics on SQL Server over time? This is something that you can use Database Health monitor to do. More details at http://DatabaseHealth.com.
If you are having performance issues associated with this wait type and need some help, please contact us with our 30 minute consultation link.
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