Optimizing MySQL Configuration - Percona
Optimizing MySQL Configuration - Percona
Optimizing MySQL Configuration - Percona
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General Options<br />
• sort_buffer_size<br />
– In memory buffer used for sorting<br />
– Watch sort_merge_passes<br />
– Consider setting for session for large queries<br />
– Values up to 1MB are good default<br />
– Large values hurt performance of small queries<br />
• join_buffer_size<br />
– Helps performance of Joins with no indexes<br />
– Better get rid of such Joins !<br />
– 8MB can be reasonable value<br />
• default_storage_engine<br />
– Use this engine for tables if not specified<br />
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