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Speakers
Steve Hardy
Schedule
Day Saturday
Room H.2213
Capacity 100
Start time 14:00
End time 14:25
Duration 00:25
Info
Track MySQL & friends devroom

Boosting Enterprise MySQL performance: implementing I/O prefetch for InnoDB

Tests have shown that InnoDB is not using traditional spindle-based I/O subsystems to their maximum potential while doing OLTP workloads with I/O-bound queries; Pages are requested sequentially from the disk system instead of asynchronously, even when using MySQL 5.5's native Aynchronous I/O support. The presentation shows the advantages of implementing a prefetch mechanism which can result in large gains in I/O performance.

For more information of the Innodb prefetch improvement see this mailinglist post: http://lists.mysql.com/internals/38126

Tests have shown that InnoDB is not using traditional spindle-based I/O subsystems to their maximum potential while doing OLTP workloads with I/O-bound queries; Pages are requested sequentially from the disk system instead of asynchronously, even when using MySQL 5.5's native Aynchronous I/O support. The presentation shows the advantages of implementing a prefetch mechanism which can result in large gains in I/O performance.

For more information of the Innodb prefetch improvement see this mailinglist post: http://lists.mysql.com/internals/38126

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