From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
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To: | Andreas Karlsson <andreas(at)proxel(dot)se> |
Cc: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Anthony Iliopoulos <ailiop(at)altatus(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Catalin Iacob <iacobcatalin(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: PostgreSQL's handling of fsync() errors is unsafe and risks data loss at least on XFS |
Date: | 2018-04-08 10:31:24 |
Message-ID: | CAMsr+YH-d6TC5kaz7oFcvt6349Peh7=6tkgSk82Hakw4+p6=ag@mail.gmail.com |
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Lists: | pgsql-hackers |
On 8 April 2018 at 17:41, Andreas Karlsson <andreas(at)proxel(dot)se> wrote:
> On 04/08/2018 05:27 AM, Craig Ringer wrote:> More below, but here's an
> idea #5: decide InnoDB has the right idea, and
>
>> go to using a single massive blob file, or a few giant blobs.
>>
>
> FYI: MySQL has by default one file per table these days. The old approach
> with one massive file was a maintenance headache so they change the default
> some releases ago.
>
> https://dev.mysql.com/doc/refman/8.0/en/innodb-multiple-tablespaces.html
>
>
Huh, thanks for the update.
We should see how they handle reliable flushing and see if they've looked
into it. If they haven't, we should give them a heads-up and if they have,
lets learn from them.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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