From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | rihad <rihad(at)mail(dot)ru>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Gigantic load average spikes |
Date: | 2019-03-31 15:46:25 |
Message-ID: | 95c8c449-7b09-13db-32a5-2dc93132c86d@aklaver.com |
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Lists: | pgsql-general |
On 3/31/19 8:23 AM, rihad wrote:
> Postgres 10.3 On freebsd 10.3 is almost idle, disk i/o about 5-10%,
> number running processes about 1-3, cpu about 90% idle, then we run a
> i/o heavy job like "refresh materialized view", cpu & disk i/o still not
> maxed out, all of a sudden the number of running processes increases to
> about 250-300 for a second, which increases load averages that we
Do you know what the processes are?
Are there any messages in the Postgres log from that time period that
might shed light?
> periodically poll to see if everything's alright. Why is that? Disk i/o
> is far from being maxed out, the actual number of running processes is
> really small.
You are referring to the between spikes process count?
>
>
>
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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