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From: Andrew Dunstan <andrew@dunslane.net>
To: Andres Freund <andres@2ndquadrant.com>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: Josh Berkus <josh@agliodbs.com>
Cc: Amit Kapila <amit.kapila@huawei.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Performance bug in prepared statement binding in 9.2?
Date: Tue, 10 Sep 2013 09:41:48 -0400
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On 09/10/2013 09:23 AM, Andres Freund wrote:
> On 2013-09-10 15:21:33 +0200, Andres Freund wrote:
>> If I interpret things correctly you're using serializable? I guess there
>> is no chance to use repeatable read instead?
> Err, that wouldn't help much. Read committed. That lets PGXACT->xmin advance
> these days and thus might help to reduce the impact of the longrunning
> transactions.
> Otherwise you will have to shorten those...
>


Yeah, we're looking at eliminating them.

cheers

andrew



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