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InnoDB 1.1 for MySQL 5.5 User's Guide
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InnoDB 1.1 for MySQL 5.5 User's Guide  /  InnoDB Features for Flexibility, Ease of Use and Reliability  /  Dynamic Control of System Configuration Parameters

8.2. Dynamic Control of System Configuration Parameters

In MySQL 5.5 and higher, you can change certain system configuration parameters without shutting down and restarting the server, as was necessary in MySQL 5.1 and lower. This increases uptime, and makes it easier to test and prototype new SQL and application code. The following sections explain these parameters.


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