Re: Sample archive_command is still problematic

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От Josh Berkus
Тема Re: Sample archive_command is still problematic
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Msg-id 53EBAB8C.40305@agliodbs.com
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Ответ на Sample archive_command is still problematic  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Sample archive_command is still problematic  ("MauMau" <maumau307@gmail.com>)
Список pgsql-docs
On 08/11/2014 03:23 PM, MauMau wrote:
> From: "Kevin Grittner" <kgrittn@ymail.com>
> The problem with the recommended command is that cp is not atomic.
> The file can be read before the contents are materialized, causing
> early end to recovery. I have seen it happen. The right way to do
> this is to copy to a different name or directory and mv the file
> into place once it is complete -- or use software which does that
> automatically, like rsync does.
>
>
> I submitted a patch a patch for this a few months ago, which is pg_copy
> listed in the current CF.  The patch also addresses the problem that the
> archived file can get lost after power failure because it is not flushed
> to disk.    The patch consists of a program called pg_copy which can be
> used instead of cp/copy, and a doc fix to suggest using mv.  I made it
> following the favorable suggestions from people.

Yah?  Does it work on Windows?


--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


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