Re: BUG #13493: pl/pgsql doesn't scale with cpus (PG9.3, 9.4)

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: grb(at)skogoglandskap(dot)no, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #13493: pl/pgsql doesn't scale with cpus (PG9.3, 9.4)
Date: 2015-07-08 09:12:38
Message-ID: 20150708091238.GI10242@alap3.anarazel.de
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On 2015-07-07 21:13:04 -0400, Tom Lane wrote:
> There is some discussion going on about improving the scalability of
> snapshot acquisition, but nothing will happen in that line before 9.6
> at the earliest.

9.5 should be less bad at it than 9.5, at least if it's mostly read-only
ProcArrayLock acquisitions which sounds like it should be the case here.

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