Re: Delay locking partitions during INSERT and UPDATE

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: John Naylor <john(dot)naylor(at)2ndquadrant(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Delay locking partitions during INSERT and UPDATE
Date: 2019-01-24 00:56:36
Message-ID: CAKJS1f8fzAO+94VNP8mmvGiwzz2zUqHUJ-Xar+pTnEEbm1W+Hw@mail.gmail.com
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On Thu, 24 Jan 2019 at 13:38, John Naylor <john(dot)naylor(at)2ndquadrant(dot)com> wrote:
>
> On Tue, Jan 22, 2019 at 4:31 PM David Rowley
> <david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> > Thanks. I've attached a rebased version.
>
> Hmm, now instead of an 85x speedup over master in the 10k partition
> case, I only get 20x. Anyone else see this?

What's it like with fsync off?

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

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