How to set the memory of sqlserver database

Setting up SQL Server database memory requires configuring data cache and log cache. Data cache settings include setting the maximum server memory usage and minimum memory allocation; log cache settings include setting the target recovery time and the maximum memory percentage of the log cache.

SQL Server database memory settings

How to set the memory of SQL Server database?

SQL Server database memory settings include two aspects: data cache and log cache.

1. Data cache settings

• max server memory (MB):Set the maximum memory usage of the server, including data cache and log cache.
• min server memory (MB): Set the minimum amount of memory allocated by the server at startup.

2. Log cache settings

• target recovery time (seconds):Set the target recovery time, that is, database crash The time required for post-recovery.
• max memory percent (%): Set the maximum memory percentage that can be used by the log cache.

Detailed setup steps

1. Log in to SQL Server Management Studio (SSMS).
2. Connect to the database server to be configured.
3. Right-click the server name in Object Explorer and select Properties.

4. Make the following settings in the "Memory" tab:

   • max server memory: Set up the server The maximum memory usage.
   • min server memory: Set the minimum amount of memory allocated by the server at startup.
   • target recovery time: Set the target recovery time.
   • max memory percent: Set the maximum memory percentage that can be used by the log cache.
5. Click OK to save changes.

Notes

• When setting memory, consider the server's physical memory and workload.
• Excessively high data cache settings may cause insufficient memory available for other processes in the system.
• Excessively high log cache settings may reduce write performance.
• It is recommended to perform performance testing on the database to determine the optimal memory settings.

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