Re: O(n^2) system calls in RemoveOldXlogFiles()

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Michael Paquier <michael(at)paquier(dot)xyz>
Subject: Re: O(n^2) system calls in RemoveOldXlogFiles()
Date: 2021-01-12 06:15:21
Message-ID: CA+hUKGLx3K9iNxnEsosb6-HmKz=Y=o-gB3u1Zr2zUReYYkiO-A@mail.gmail.com
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On Tue, Jan 12, 2021 at 6:55 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> I found this before as well: https://postgr.es/m/CAB7nPqTB3VcKSSrW2Qj59tYYR2H4+n=5pZbdWou+X9iqVNMCag@mail.gmail.com

Hah, I even knew that, apparently, but forgot. Adding Michael who
wrote a patch. It'd be nice to fix this, at least in 14.

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