Boston Linux & UNIX was originally founded in 1994 as part of The Boston Computer Society. We meet on the third Wednesday of each month at the Massachusetts Institute of Technology, in Building E51.

BLU Discuss list archive


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Discuss] Gluster startup, small-files performance



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.



BLU is a member of BostonUserGroups
BLU is a member of BostonUserGroups
We also thank MIT for the use of their facilities.

Valid HTML 4.01! Valid CSS!



Boston Linux & Unix / webmaster@blu.org