Re: Use durable_unlink for .ready and .done files for WAL segmentremoval

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От Michael Paquier
Тема Re: Use durable_unlink for .ready and .done files for WAL segmentremoval
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Msg-id 20181206225320.GK2407@paquier.xyz
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Ответ на Re: Use durable_unlink for .ready and .done files for WAL segmentremoval  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: Use durable_unlink for .ready and .done files for WAL segmentremoval  ("Bossart, Nathan" <bossartn@amazon.com>)
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On Thu, Dec 06, 2018 at 02:43:35PM +0900, Michael Paquier wrote:
> Why?  A WARNING would be logged if the first unlink() fails, and
> another, different WARNING would be logged if the subsequent fsync
> fails.  It looks enough to me to make a distinction between both.  Now,
> you may have a point in the fact that we could also live with only using
> unlink() for this code path, as even on repetitive crashes this would
> take care of removing orphan archive status files consistently.

After sleeping on that, using plain unlink() makes indeed the most
sense.  Any objections if I move on with that, adding a proper comment
explaining the choice?  I don't plan to finish wrapping this patch today
but Monday my time anyway.
--
Michael

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