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Re: mysqldump will purge query cache?
Posted by: Rick James
Date: February 20, 2015 01:06PM

It will probably purge the QC. But, I'll bet the performance is nearly as good. (The QC is not that useful.)

You should also check the settings of key_buffer_size and innodb_buffer_pool_size; they are more important to good performance than the QC.

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