Re: [HACKERS] Broken O(n^2) avoidance in wal segment recycling.

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] Broken O(n^2) avoidance in wal segment recycling.
Date: 2019-05-07 03:00:23
Message-ID: 20190507030023.eidmifpdsps5ae33@alap3.anarazel.de
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Hi,

On 2019-05-06 22:54:43 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > I think we ought to backpatch a version of this fix.
>
> Uh ... what fix are you talking about?

Michael's email had a proposed patch. I think there's a few small
changes needed, but otherwise it looks like the right direction to me.

Greetings,

Andres Freund

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