Re: [GENERAL] Unusually high IO for autovacuum worker

2013-02-01 Thread Vlad Bailescu
On Fri, Feb 1, 2013 at 2:40 PM, Pavan Deolasee wrote: > > > On Fri, Feb 1, 2013 at 5:19 PM, Vlad Bailescu wrote: > >> >> >> Pavan, it seems there's a small issue with copy-paste and column >> text-align. Table sizes are: >> >> 4136 kB 2448

Re: [GENERAL] Unusually high IO for autovacuum worker

2013-02-01 Thread Vlad Bailescu
On Fri, Feb 1, 2013 at 1:08 PM, Pavan Deolasee wrote: > > > On Fri, Feb 1, 2013 at 3:24 PM, Vlad Bailescu wrote: > >> >> >> Stats show only 3 tables get frequently autovacuumed >> >> Table Name Tuples inserted Tuples updated Tuples deleted Tuples H

Re: [GENERAL] Unusually high IO for autovacuum worker

2013-02-01 Thread Vlad Bailescu
On Fri, Feb 1, 2013 at 11:01 AM, Pavan Deolasee wrote: > > Do you know for sure that its the master table that generating all the > vacuum traffic ? What about the partition tables ? Do they get any > updates/deletes ? It might be useful if you could turn autovacuum > logging ON and see which tabl

[GENERAL] Unusually high IO for autovacuum worker

2013-02-01 Thread Vlad Bailescu
Hi everyone, We are experiencing a strange situation after upgrading our Postgres from 8.4 to 9.1 and our OS from Debian 6 to Ubuntu 12.04 LTS. We have an application where we are collecting timestamp-based data. Since a month of data goes over 30M rows (and growing each month), we decided to par