Re: Postgres, fsync, and OSs (specifically linux)

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От Craig Ringer
Тема Re: Postgres, fsync, and OSs (specifically linux)
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Msg-id CAMsr+YGsvYmJ0aRuV7zNf-rmi53bzFF8yrsgrNBm9yOY8FYD0g@mail.gmail.com
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Ответ на Re: Postgres, fsync, and OSs (specifically linux)  (Andres Freund <andres@anarazel.de>)
Ответы Re: Postgres, fsync, and OSs (specifically linux)  (Andres Freund <andres@anarazel.de>)
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On 1 May 2018 at 00:09, Andres Freund <andres@anarazel.de> wrote:

> It's not. Only SYNC_FILE_RANGE_WAIT_{BEFORE,AFTER} eat errors. Which
> seems sensible, because they could be considered data integrity
> operations.

Ah, I misread that. Thankyou.

>> I'm very suspicious about the safety of the msync() path too.
>
> That seems justified however:

I'll add EIO tests there.

-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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