[Gluster-devel] Re: Trying to setup afr 2 server 1 client following the example on the wiki

[Brandon Lamb]

On Jan 17, 2008 11:35 PM, Sascha Ottolski <ottolski at web.de> wrote:
> Am Freitag 18 Januar 2008 04:00:06 schrieb Anand Avati:
> > Brandon,
> >  which is the fuse kernel module version you are using? please with
> > the fuse kernel module from -
> >
> > http://ftp.zresearch.com/pub/gluster/glusterfs/fuse/old/fuse-2.7.0.ta
> >r.gz
>
> wouldn't you recommend 2.7.0-glfs7, then?
>
>
> > we have been seeing some perf issues with small files while
> > write-behind is on. can you try with an untar of large files, with
> > write-behind on?
>
> interesting, i didn't investigate it thorougly engough, but my
> impression so far was, that write-behind as well as read-ahead doesn't
> make much of a difference for very small files, neither good nor bad.
>
>
> Cheers, Sascha
>
>
>
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Just wanted to note, I downgraded fuse and ran the cp and tar test and
it shaved 2-3 seconds off both tests. Havent had a chance to tar up
some large files yet