On Fri, 16 Mar 2007, Rainer Toebbicke wrote:
Derrick J Brashear wrote:
On Fri, 16 Mar 2007, Robert Banz wrote:
The following patch adds the options "-nofsync" to the namei-based
fileserver and volserver, disabling fsync() operations.
For the volserver, local tests have shown that this speeds up volume moves
significantly.
If it's like the one Rainer sent it also breaks things. Ask Harald Barth.
Well, I seeing that it got dropped from CVS I checked with Harald and he
himself does not think so any longer. He must have had some other problem.
Harald: update 30632 when you get a chance?
The necessity for syncs (except crashes) also somehow contradicts POSIX to my
understanding.
We run with a variant of mine which nevertheless does syncs in a separate
thread for safety since years now and could frankly not do without. However
better programmers than me aren't rare and delaying the syncs is not a very
tricky task.
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