Re: Disk wait problem... - Mailing list pgsql-general

From Adrian Klaver
Subject Re: Disk wait problem...
Date
Msg-id fe8042a8-5747-466e-ac8a-de3c5b6a469c@aklaver.com
Whole thread Raw
In response to Disk wait problem...  (pf@pfortin.com)
Responses Re: Disk wait problem...  (Ken Marshall <ktm@rice.edu>)
List pgsql-general
On 10/23/23 11:54, pf@pfortin.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.klaver@aklaver.com




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