Tuesday Aug 18, 2009

Improving MySQL/Innodb/ZFS read-only performance by 5x using SSDs for L2ARC

Although I will go into the details of how the MySQL/Innodb/ZFS read-only performance was improved almost 5x using SSDs for L2ARC, this blog is primarily focused on understanding why I got that improvement for the configuration that I was using. I'll also discuss why the tuning tip I mentioned in my previous blog entry, of matching the ZFS block size to the database record size, is not such a good idea for this particular test.[Read More]

Wednesday Jul 22, 2009

Avoiding I/O inflation

In some cases, system performance can be improved simply by reducing wasteful work. So in this blog, I talk about tools and techniques you can use to find if your system is doing more I/O than necessary and what you can do about it.[Read More]
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Charles Suresh

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