Re: silent data loss with ext4 / all current versions

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От Craig Ringer
Тема Re: silent data loss with ext4 / all current versions
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Msg-id CAMsr+YH7j0uvBJQfaOrFX_d0o5mmKkOhj4iqhBYDyW156HAVVg@mail.gmail.com
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Ответ на silent data loss with ext4 / all current versions  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Ответы Re: silent data loss with ext4 / all current versions
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On 27 November 2015 at 19:17, Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote:
 
It's also possible to mitigate this by setting wal_sync_method=fsync

Are you sure?

https://lwn.net/Articles/322823/ tends to suggest that fsync() on the file is insufficient to ensure rename() is persistent, though it's somewhat old.

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

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