patch to allow disable of WAL recycling

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От Jerry Jelinek
Тема patch to allow disable of WAL recycling
Дата
Msg-id CACPQ5Fo00QR7LNAcd1ZjgoBi4y97+K760YABs0vQHH5dLdkkMA@mail.gmail.com
обсуждение исходный текст
Ответы Re: patch to allow disable of WAL recycling  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Re: patch to allow disable of WAL recycling  (Andres Freund <andres@anarazel.de>)
Re: patch to allow disable of WAL recycling  (Jerry Jelinek <jerry.jelinek@joyent.com>)
Re: patch to allow disable of WAL recycling  (Jerry Jelinek <jerry.jelinek@joyent.com>)
Re: patch to allow disable of WAL recycling  (Jerry Jelinek <jerry.jelinek@joyent.com>)
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Дерево обсуждения
Hello All,

Attached is a patch to provide an option to disable WAL recycling. We have found that this can help performance by eliminating read-modify-write behavior on old WAL files that are no longer resident in the filesystem cache. The is a lot more detail on the background of the motivation for this in the following thread.


A similar change has been tested against our 9.6 branch that we're currently running, but the attached patch is against master.

Thanks,
Jerry

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