| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | pf(at)pfortin(dot)com, pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Disk wait problem... |
| Date: | 2023-10-23 19:44:56 |
| Message-ID: | fe8042a8-5747-466e-ac8a-de3c5b6a469c@aklaver.com |
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| Lists: | pgsql-general |
On 10/23/23 11:54, pf(at)pfortin(dot)com wrote:
> Hi,
>
> I have a 1.6TB database with over 330 tables on a 4TB NVMe SSD. All
> tables are static (no updates); most in 8M and 33M row sizes. Queries have
> been great, until recently.
> Also attached is the relevant system journal entries for one query that
> took 2 seconds and two more that took 62 and 52 seconds... Unlike the
> above, these had 3 processes in disk-wait -- see attached screenshot...
What happens if you select the tables in the command line client psql?
>
> I just stopped PG, updated the full backup which was done overnight (so
> the update took about a second), restarted PG and the problem persists...
>
> Any suggestions where to look next?
>
> Thanks,
> Pierre
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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