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

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: O(n^2) system calls in RemoveOldXlogFiles()
Date: 2021-01-12 10:30:13
Message-ID: CA+hUKGJVSFdgohjVigDxYw2x5p4RBi65kKm46NqQxxcPSJRsoQ@mail.gmail.com
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On Tue, Jan 12, 2021 at 8:27 PM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
> Yeah, this rings a bell. I never went back to it even if the thing
> looks rather clean at quick glance (not tested), but I may be able
> to spend some cycles on that. I don't think that's critical enough
> for a backpatch, so doing something only on HEAD is fine by me.
> What's your take?

I haven't heard any user complaints, and I'd personally be happy with
a fix on master only.

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