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Displaying posts with tag: MySQL Enteprise (reset)

SAN vs Local-disk :: innodb_flush_method performance benchmarks
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If you’ve been tuning your MySQL database and have wondered what effect the innodb_flush_method settings have on write performance, then this information might help. I’ve recently been doing a lot of baseline load tests to show performance differences between localdisk and the new SAN we’re deploying. Since we run InnoDB for everything in production, and writes are very heavy, I decided to run comparison tests between two identical servers to find the best setting for innodb_flush_method. We have the following specs for the hardware:

  • Dell R610
  • 24 core Intel Xeon X5670 @ 2.93ghz
  • 72GB ECC RAM
  • Brocade 825 …
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Frustration with Community vs Enteprise
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I was working on a client’s server today to troubleshoot some variances between the result timing of some queries. Guess what I came across - the profiler is not available in certain enterprise releases but it is available on community versions of the same release number.

I can understand if that feature was something that wasn’t fully tested in the enterprise code base and thus was only released in the community version - but if that’s the case then I don’t understand why the same version releases of Community and Enterprise can have different feature sets. That goes against the …

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