Re: Hot Standby Feedback should default to on in 9.3+

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Claudio Freire <klaussfreire(at)gmail(dot)com>
Cc: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Hot Standby Feedback should default to on in 9.3+
Date: 2012-11-30 21:09:15
Message-ID: 24193.1354309755@sss.pgh.pa.us
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Claudio Freire <klaussfreire(at)gmail(dot)com> writes:
> Without hot standby feedback, reporting queries are impossible. I've
> experienced it. Cancellations make it impossible to finish any
> decently complex reporting query.

The original expectation was that slave-side cancels would be
infrequent. Maybe there's some fixing/tuning to be done there.

regards, tom lane

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