| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>, Bart���omiej Roma���ski <br(at)sentia(dot)pl> |
| Subject: | Re: Planner performance extremely affected by an hanging transaction (20-30 times)? |
| Date: | 2014-02-26 00:21:17 |
| Message-ID: | 530D337D.7060303@agliodbs.com |
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| Thread: | |
| Lists: | pgsql-performance |
On 02/25/2014 08:06 AM, Tom Lane wrote:
> Well, it's three months later, and none of the people who were complaining
> so vociferously in this thread seem to have bothered to test the proposed
> solution.
Sorry about that. The client lost interest once they had a workaround
(fixing the hanging transaction), and I don't have direct access to
their test workload -- nor was I able to reproduce the issue on a purely
synthetic workload.
> However, over at
> http://www.postgresql.org/message-id/CAFj8pRDHyAK_2JHSVKZ5YQNGQmFGVcJKcpBXhFaS=vSSCH-vNw@mail.gmail.com
> Pavel did test it and reported that it successfully alleviates his
> real-world problem. So I'm now inclined to commit this. Objections?
None from me.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
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