Re: Performance degradation in commit ac1d794

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Васильев Дмитрий <d(dot)vasilyev(at)postgrespro(dot)ru>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Performance degradation in commit ac1d794
Date: 2016-02-11 17:48:39
Message-ID: 21927.1455212919@sss.pgh.pa.us
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Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> I think we should either get this fixed RSN or revert the problematic
> commit until we get it fixed. I'd be rather disappointed about the
> latter because I think this was a very good thing on the merits, but
> probably not good enough to justify taking the performance hit over
> the long term.

Since it's only in HEAD, I'm not seeing the urgency of reverting it.
However, it'd be a good idea to put this on the 9.6 open items list
(have we got such a page yet?) to make sure it gets addressed before
beta.

regards, tom lane

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