Re: High load on commit after important schema changes

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: High load on commit after important schema changes
Date: 2009-08-28 16:44:36
Message-ID: 20090828164436.GA21127@depesz.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Fri, Aug 28, 2009 at 12:28:06PM -0400, Tom Lane wrote:
> Hm, do you have forty or so idle backends hanging around while this
> happens? The only thing I can think of that might be causing this is
> shared cache invalidation messages being broadcast to all the other
> sessions.

I have about 1000 backends running. more of them (like 998) are usually
idling.

Best regards,

depesz

--
Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/
jid/gtalk: depesz(at)depesz(dot)com / aim:depeszhdl / skype:depesz_hdl / gg:6749007

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Tom Lane 2009-08-28 16:47:15 Re: High load on commit after important schema changes
Previous Message Magnus Hagander 2009-08-28 16:42:30 Re: Update /src/tools/msvc to VC++ 2008