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

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От Thomas Munro
Тема Re: [HACKERS] Broken O(n^2) avoidance in wal segment recycling.
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Msg-id CA+hUKG+S5nGJBDnsTuz8M-RzHxeJ2RyFR-HSoYH3oY_F4eYbaw@mail.gmail.com
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Ответ на Re: [HACKERS] Broken O(n^2) avoidance in wal segment recycling.  (Andres Freund <andres@anarazel.de>)
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On Tue, May 7, 2019 at 2:45 PM Andres Freund <andres@anarazel.de> wrote:
> I just hit this bad a couple times during some testing. Under load, with
> 2500 segments to recycle, it took well over a minute.

I wonder if this played a part in the wal_recycle=off-for-ZFS thing.

-- 
Thomas Munro
https://enterprisedb.com

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