[Building Sakai] Rutgers is now using innodb-plugin in production

[Robert Cohen]

Did you evaluate mysql 5.5?
>From what I've read its supposed to have performance improvements over 5.1
even with the innodb plugin.



On 20/12/11 5:54 AM, "Charles Hedrick" <hedrick at rutgers.edu> wrote:

>We've had two episodes of the database server going to 100%. Because some
>of my tests have shown that innodb-plugin works better under some kinds
>of load, we're moving to it. We also had a DNS problem that might have
>contributed to this. It's been fixed, so if our problems don't come back
>we may not be sure what caused it.
>
>We're using old versions of mysql 5.1, simply because we haven't wanted
>to upgrade in the middle of the year, 5.1.44 with innodb plugin 1.0.6.
>We'll probably be moving from our Solaris-based server to a server on
>Linux running the newest 5.1, in late January. It's the final part of our
>new Xenserver / iSCSI virtual architecture. After looking at various test
>results I've decided to run the new system with hypertheading on. Innodb
>plugin should deal with the multicore scaling problems sufficiently for
>that to make sense.
>
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