SQL Server Performance Tuning Insider Secrets
SQL Server and database experts share insights on how to assess performance issues, including closely examining wait types to determine root cause.
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SQL Server and database experts share insights on how to assess performance issues, including closely examining wait types to determine root cause.
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SQL Server instances with high CPU usage often show the SOS_SCHEDULER_YIELD wait type, which can indicate a need for further research and action.
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SQL Server CXPACKET wait types mean there are queries running in parallel on the SQL Server instance and that they may be taking longer than desired to complete.
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OLEDB wait types in SQL Server indicate that a query is waiting on something outside of the SQL instance. Tuning the query will involve tuning what is being accessed.
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The ASYNC_NETWORK_IO wait indicates that either the session (SPID) is waiting for the client application or there is a network performance issue. Learn how to diagnose and tune for this wait.
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