[pgpool-general: 1648] Re: Mysterious Load Spikes

[Tatsuo Ishii]

> So I was able to upgrade the kernel on my PGPool2 boxes yesterday from 3.0
> to 3.2, the current shipping kernel for ubuntu 12.04.2 . Interestingly the
> measured cpu utilization has increased by about 100% (still only a 3-5%
> though in absolute terms) and the measured load average numbers have
> dropped by about half. It's early yet to say for certain that this is
> resolved, but it's certainly looking much better. Based on this I would
> recommend that anyone deploying PGPool2 avoid 3.0.x revisions of the kernel.

Thanks for the information. Maybe we should add this to FAQ?

http://www.pgpool.net/mediawiki/index.php/FAQ
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp