Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?

From: John Reeve <jreeve(at)pelagodesign(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?
Date: 2010-06-11 16:34:30
Message-ID: loom.20100611T183107-148@post.gmane.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers pgsql-performance

Greg Smith <greg <at> 2ndquadrant.com> writes:

>
> Max Williams wrote:
> > Can I just turn this off on 8.4.4 or is it a compile time option
>
> You can update your postgresql.conf to include:
>
> debug_assertions = false
>
> And restart the server. This will buy you back *some* of the
> performance loss but not all of it. Will have to wait for corrected
> packaged to make the issue completely go away.
>

Ah! I am so thankful I found this thread. We've been having the same issues
described here. And when I do a SHOW debug_assertions I get:

postgres=# show debug_assertions;
debug_assertions
------------------
on
(1 row)

Can you let us know when the corrected packages have become available?

Regards,
John

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2010-06-11 16:58:47 Re: hstore ==> and deprecate =>
Previous Message David E. Wheeler 2010-06-11 15:36:31 Re: hstore ==> and deprecate =>

Browse pgsql-performance by date

  From Date Subject
Next Message David Jarvis 2010-06-11 17:09:49 Re: Analysis Function
Previous Message Dave Crooke 2010-06-11 15:58:11 O/T: performance tuning cars