Re: patch to allow disable of WAL recycling

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От
Alvaro Herrera
Тема
Re: patch to allow disable of WAL recycling
Дата
Msg-id
20180822144116.kc7b6urjxatk6kf6@alvherre.pgsql
Ответ на
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Дерево обсуждения
patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Andres Freund <andres@anarazel.de>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Tom Lane <tgl@sss.pgh.pa.us>
Re: patch to allow disable of WAL recycling Stephen Frost <sfrost@snowman.net>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Andres Freund <andres@anarazel.de>
Re: patch to allow disable of WAL recycling Tom Lane <tgl@sss.pgh.pa.us>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Michael Paquier <michael@paquier.xyz>
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 Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.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>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Andres Freund <andres@anarazel.de>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@enterprisedb.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Michael Paquier <michael@paquier.xyz>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.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>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@gmail.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@gmail.com>
Re: patch to allow disable of WAL recycling Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.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>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.com>
Re: patch to allow disable of WAL recycling Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: patch to allow disable of WAL recycling Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: patch to allow disable of WAL recycling Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: patch to allow disable of WAL recycling Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: patch to allow disable of WAL recycling Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.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>
Re: patch to allow disable of WAL recycling Robert Haas <robertmhaas@gmail.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>
Re: patch to allow disable of WAL recycling Alvaro Herrera <alvherre@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling David Pacheco <dap@joyent.com>
Re: patch to allow disable of WAL recycling Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@enterprisedb.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Andres Freund <andres@anarazel.de>
Re: patch to allow disable of WAL recycling "Joshua D. Drake" <jd@commandprompt.com>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@enterprisedb.com>
Re: patch to allow disable of WAL recycling David Pacheco <dap@joyent.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Thomas Munro <thomas.munro@enterprisedb.com>
Re: patch to allow disable of WAL recycling Jerry Jelinek <jerry.jelinek@joyent.com>
Re: patch to allow disable of WAL recycling Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
On 2018-Aug-22, Andres Freund wrote:

> On 2018-08-22 11:06:17 -0300, Alvaro Herrera wrote:

> > I suppose that the use case that was initially proposed (ZFS) has not
> > yet been tested so we shouldn't reject this patch immediately, but
> > perhaps what Joyent people should be doing now is running Tomas' test
> > script on ZFS and see what the results look like.
> 
> IDK, I would see it less negatively. Yes, we should put a BIG FAT
> warning to never use this on non COW filesystems. And IMO ZFS (and also
> btrfs) sucks badly here, even though they really shouldn't. But given
> the positive impact for zfs & btrfs, and the low code complexity, I
> think it's not insane to provide this tunable.

Yeah, but let's see some ZFS numbers first :-)

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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