| From: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
|---|---|
| To: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
| Cc: | Nik Tek <niktek2005(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Recommended Swap space |
| Date: | 2013-04-12 21:21:44 |
| Message-ID: | CAGTBQpaqmN1AZTnJj9+5DKdi4KZRFE7xrLOTbA2CpZ9wGqxg4g@mail.gmail.com |
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| Lists: | pgsql-admin pgsql-performance |
On Fri, Apr 12, 2013 at 6:15 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> The really messed up bit is that the problems with the kswapd won't show up
> for weeks, months, or sometimes even longer. The symptoms of a kswapd
> problem is that swap is mostly full, but there's LOTS of free memory /
> kernel cache, and the kswapd is busily swapping in / out. Page faults
> skyrocket and the problem can last for a few minutes or a few hours, then
> clear up and not occur again for a long time.
Isn't that a NUMA issue?
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