[Discuss] Gluster startup, small-files performance

[Richard Pieri]

Bill Bogstad wrote:
> done.   I don't think POSIX requires this, but since most
> filesystems seem to work this way we have gotten used to that
> behavior.   This is why the FAQ suggests doing something like:

POSIX requires it. Per the POSIX fsync() manual:

>> The fsync() function shall not return until the system has completed
>> that action or until an error is detected.

If MooseFS does honor fsync calls correctly then this is a change more
recent than the last time I was looking at cluster file systems.

Of course, the underlying hardware can lie about its status, too, but
that's outside of POSIX's scope.

-- 
Rich P.