On Fri, Mar 1, 2013 at 1:52 AM, Steven Crandell
<steven.crandell@gmail.com> wrote:
> As far as we were able to gather in the frantic moments of downtime,
> hundreds of queries were hanging up while trying to COMMIT. This in turn
> caused new queries backup as they waited for locks and so on.
>
> Given that we're dealing with new hardware and the fact that this still acts
> a lot like a NUMA issue, are there other settings we should be adjusting to
> deal with possible performance problems associated with NUMA?
>
> Does this sound like something else entirely?
It does. I collected a number of kernel (and not only) tuning issues
with short explanations to prevent it from affecting database behavior
badly. Try to follow them:
https://code.google.com/p/pgcookbook/wiki/Database_Server_Configuration
--
Sergey Konoplev
Database and Software Architect
http://www.linkedin.com/in/grayhemp
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