Mysql Error Log

When is the error log filename not the right filename

When evaluating a MySQL system one of the first things to look at is the MySQL error log. This is defined by the log[_-]error variable in the MySQL Configuration file. Generally found like:

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The correct approach to rolling MySQL logs

I say correct because there are several incorrect approaches to managing MySQL logs. In MySQL you have two important log files, the MySQL error log (configured with –log-error ) and the MySQL slow query log (configured with –log-slow-queries or –slow-query-log and –slow-query-log-file which is available from 5.

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