On Wed, Jan 15, 2014 at 10:35:44AM +0100, Jan Kara wrote:
> Filesystems could in theory provide facility like atomic write (at least up
> to a certain size say in MB range) but it's not so easy and when there are
> no strong usecases fs people are reluctant to make their code more complex
> unneces
The issue with O_DIRECT is actually a much more general issue ---
namely, database programmers that for various reasons decide they
don't want to go down the O_DIRECT route, but then care about
performance. PostgreSQL is not the only database which is had this
issue.
There are two papers at this
