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From: Andres Freund <andres@2ndquadrant.com>
To: Andrew Dunstan <andrew@dunslane.net>
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 15:23:17 +0200
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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...

Greetings,

Andres Freund

-- 
 Andres Freund	                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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