Message type: E = Error
Message class: SMMSS_ALERTS - Message class for MSSQL rz20 messages
Message number: 022
Message text: This alert tracks the procedure cache hit ratio of SQL Server
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SMMSS_ALERTS022
- This alert tracks the procedure cache hit ratio of SQL Server ?The SAP error message SMMSS_ALERTS022 indicates that there is an issue with the procedure cache hit ratio of SQL Server. This alert is part of the monitoring system in SAP that tracks the performance of the underlying database, in this case, Microsoft SQL Server.
Cause: The procedure cache hit ratio is a performance metric that indicates how often SQL Server can find the execution plan for a query in memory rather than having to recompile it. A low hit ratio suggests that SQL Server is frequently recompiling queries, which can lead to performance degradation. The potential causes for a low procedure cache hit ratio include: Insufficient Memory: SQL Server may not have enough memory allocated to cache execution plans. High Query Variability: If there are many different queries being executed, SQL Server may not be able to cache plans effectively. Frequent Changes to the Database: Changes in the database schema or statistics can lead to
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SMMSS_ALERTS021
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