Re: Gigantic load average spikes - Mailing list pgsql-general

From Peter J. Holzer
Subject Re: Gigantic load average spikes
Date
Msg-id 20190331221412.eg5yprt4qf5q5on6@hjp.at
Whole thread Raw
In response to Gigantic load average spikes  (rihad <rihad@mail.ru>)
List pgsql-general
On 2019-03-31 19:23:11 +0400, 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

What exactly do you mean by "running processes"? I don't think I've ever
seen a Unix with only 1 to 3 running processes in total, so you are
probably referring to processes in a certain state. Runnable (R)?
Uninterruptible sleep (D)? Both? Something else?

        hp

--
   _  | Peter J. Holzer    | we build much bigger, better disasters now
|_|_) |                    | because we have much more sophisticated
| |   | hjp@hjp.at         | management tools.
__/   | http://www.hjp.at/ | -- Ross Anderson <https://www.edge.org/>

Attachment

pgsql-general by date:

Previous
From: David Steele
Date:
Subject: Re: Regarding pgaudit log_directory
Next
From: rihad
Date:
Subject: Re: Gigantic load average spikes