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]