Re: 9.6 and fsync=off

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От
Magnus Hagander
Тема
Re: 9.6 and fsync=off
Дата
Msg-id
CABUevExGL-FWNP0pyCH_9nY==i1ogP-v8XNXpQyDaEp7u4ypCA@mail.gmail.com
Ответ на
Re: 9.6 and fsync=off (Abhijit Menon-Sen)
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Дерево обсуждения
9.6 and fsync=off Craig Ringer <craig@2ndquadrant.com>
Re: 9.6 and fsync=off Abhijit Menon-Sen <ams@2ndQuadrant.com>
Re: 9.6 and fsync=off Magnus Hagander <magnus@hagander.net>
Re: 9.6 and fsync=off Petr Jelinek <petr@2ndquadrant.com>
Re: 9.6 and fsync=off Abhijit Menon-Sen <ams@2ndQuadrant.com>
Re: 9.6 and fsync=off Tom Lane <tgl@sss.pgh.pa.us>
Re: 9.6 and fsync=off Craig Ringer <craig@2ndquadrant.com>
Re: 9.6 and fsync=off Robert Haas <robertmhaas@gmail.com>
Re: 9.6 and fsync=off Simon Riggs <simon@2ndQuadrant.com>
Re: 9.6 and fsync=off Andres Freund <andres@anarazel.de>
Re: 9.6 and fsync=off Abhijit Menon-Sen <ams@2ndQuadrant.com>
Re: 9.6 and fsync=off Tom Lane <tgl@sss.pgh.pa.us>
Re: 9.6 and fsync=off Robert Haas <robertmhaas@gmail.com>
Re: 9.6 and fsync=off Andres Freund <andres@anarazel.de>
Re: 9.6 and fsync=off Tom Lane <tgl@sss.pgh.pa.us>
Re: 9.6 and fsync=off Robert Haas <robertmhaas@gmail.com>
Re: 9.6 and fsync=off Craig Ringer <craig@2ndquadrant.com>
Re: 9.6 and fsync=off Tom Lane <tgl@sss.pgh.pa.us>
Re: 9.6 and fsync=off "David G. Johnston" <david.g.johnston@gmail.com>
Re: 9.6 and fsync=off Simon Riggs <simon@2ndQuadrant.com>
Re: 9.6 and fsync=off Greg Stark <stark@mit.edu>


On Wed, Apr 27, 2016 at 12:43 PM, Abhijit Menon-Sen <ams@2ndquadrant.com> wrote:
At 2016-04-27 17:58:08 +0800, craig@2ndquadrant.com wrote:
>
> #fsync = on                             # turns forced synchronization on or off

I suggest:                                # provide crash safety by flushing disk writes
                                          # (Disabling this can lead to unrecoverable data
                                          # loss if the system crashes.)

+1 for the change. I suggest shortening it to just "disabling this can lead to unrecoverable data corruption" (I think corruption is better than loss, mainly because too many people equate loss with "i may loose my last 10 updates, and I'm fine with that).

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