Re: Queries intermittently slow - Mailing list pgsql-performance

From Scott Rankin
Subject Re: Queries intermittently slow
Date
Msg-id AF8BAC52-69E0-466C-988C-8A896E5B720F@motus.com
Whole thread Raw
In response to Re: Queries intermittently slow  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance
On 1/7/16, 10:19 AM, "Tom Lane" <tgl@sss.pgh.pa.us> wrote:

>Scott Rankin <srankin@motus.com> writes:
>> Any other ideas?
>
>If there's no lock waits, and the tables are static, it's difficult to
>arrive at any other conclusion but that the process is simply losing the
>CPU for long intervals.  What else is going on on this box?  Have you
>made any attempt to correlate the slow queries with spikes in load
>average, swap activity, etc?
>
>regards, tom lane

This box is a dedicated postgresql box, the load is running around 2-3 (on a 24-core box).  No swapping.

I’ll keep digging!

Thanks,
Scott
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