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The MySQL “swap insanity” problem and the effects of the NUMA architecture
Update: Also read A brief update on NUMA and MySQL. The “swap insanity” problem, in brief When running MySQL on a large system (e.g., 64GB RAM and dual quad core CPUs) with a large InnoDB buffer pool...
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How to find an errant MySQL client
A common story: You’ve got some connection, either it’s busy running something it shouldn’t be, it’s in Sleep but holding some important lock, or you just don’t know why it’s connected to your database...
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