[OpenAFS-devel] salvager stuck on one file?

[Miles Davis]

On Thu, Apr 20, 2006 at 04:51:24PM +0200, Rainer Toebbicke wrote:
> Jim Rees wrote:
> >I wonder if the fsync is really necessary.  This would go a hundred times
> >faster without it.
> 
> 200 times on a standard RAID. Measured.
> 
> While I don't believe it's necessary, I did not dare to remove it 
> entirely, believing in the good reasons that must have motivated 
> somebody to fsync in the first place.
> 
> Instead, I came up with a patch that batches all the fsyncs together 
> into one on a suitable scale. We've been running like that for over a 
> year now with no ill effects. On the contrary - it motivated migrating 
> to the namei file server instead of the inode one which will still do 
> this inside the file system through inc()/dec().
> 
> I'll dig that one out and submit it.


Please do -- I recall reading about your patch earlier, but I can't seem to 
find a copy.

-- 
// Miles Davis - miles@cs.stanford.edu - http://www.cs.stanford.edu/~miles
// Computer Science Department - Computer Facilities
// Stanford University