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]
All generalizations are incorrect Charles Suresh's blog
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Tuesday Aug 18, 2009
Wednesday Jul 22, 2009
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]
Thursday Apr 09, 2009
A map is a lifesaver when embarking down unfamiliar territory. When I recently
started working on ZFS performance (in the context of MySQL usage), I needed a
code flow chart to know what parts I needed to focus on within ZFS. Take
a look at the map of ZFS I generated to help me along the way.[Read More]