Re: Disk wait problem...

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