Re: what should be the best autovacuum configuration for daily partition table

Hi Rumman,

Please publish the below information.

1. vacuum and auto-vacuum parametters current settings on cluster.
select name,setting from pg_settings where name ilike '%vacuum%';

2. show maintenance_work_mem ;
show autovacuum_max_workers ;

3. Physical Ram size on server.

--Chiru

On Wed, May 14, 2014 at 12:36 PM, AI Rumman <rummandba(at)gmail(dot)com> wrote:

> Hi,
>
> I have a table with daily partition setup where old partitions are static
> tables that is after each day we don't get any new data in old partitions.
> The database size is 2 TB and I am running with autovacuum on for
> Postgresql 8.4.
> Now, I am facing a problem where old tables are not being vacuumed by
> autovacuum deamon and every now and then we are seeing autovacuum to
> prevent wrap around in the database and age(datfrozenzid) gets high for the
> database.
> Any idea what should be best configuration for this type of database
> environment.
>
> Thanks.
>
>