This session focuses on ZFS performance with MySQL, and explores its suitability for deploying workloads based on MyISAM and InnoDB. ZFS performance relative to other file systems and the impact of ZFS compression on MySQL performance will also be examined. The ZFS Intent Log (ZIL) and the second level Adaptive Replacement Cache (L2ARC) benefit from low latencies, and benchmark results will be presented with the ZIL and L2ARC placed on SSDs. ZFS also obviates the need for the InnoDB doublewrite buffer, and the performance benefits of disabling this buffer will be discussed. Finally, tuning tips and best practices will be outlined for achieving optimal MySQL performance with ZFS.

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