[Gluster-devel] 3.4.0alpha3 performances

[Anand Avati]

Can you get the 'gluster volume profile <name> info' output for each run?


On Fri, May 3, 2013 at 4:40 AM, Emmanuel Dreyfus <manu at netbsd.org> wrote:

> Nobody has an idea about this one?
>
> Emmanuel Dreyfus <manu at netbsd.org> wrote:
>
> > Emmanuel Dreyfus <manu at netbsd.org> wrote:
> >
> > > gnusrc.tgz      63197997 bytes  5.92 MiB/s
> > > sharesrc.tgz    7655370 bytes   8.08 MiB/s
> > > src.tgz         201202018 bytes 200.23 KiB/s
> > >
> > > On the latter, it stalls a lot. It took almost a minute before
> reporting
> > > the first block written.  There is nothing in client log. Any idea of
> > > what I should look at?
> >
> > In fact it looks more like a transition: glusterfs starts with nice
> > performances, and at some point it drops. Once the transition is done,
> > everything gets slow. Even a ls in the volume's root, which has few
> entries,
> > takes around 30 seconds, with no improvement if retried:
> >
> > $ time ls /gfs33
> > manu tmp  x
> >    38.59s real     0.00s user     0.01s system
> > $ time ls /gfs33
> > manu tmp  x
> >    39.04s real     0.00s user     0.00s system
> >
> > Volume seems healthy:
> >
> > Status of volume: gfs33
> > Gluster process                                         Port    Online
>  Pid
> >
> ------------------------------------------------------------------------------
> > Brick silo:/export/wd3a                                 49152   Y
> 19216
> > Brick hangar:/export/wd3a                               49152   Y
> 17325
> > Brick hotstuff:/export/wd1a                             49152   Y
> 16750
> > Brick hangar:/export/wd1a                               49153   Y
> 13881
> > NFS Server on localhost                                 N/A     N
> N/A
> > Self-heal Daemon on localhost                           N/A     N
> N/A
> > NFS Server on 7c642e2e-4a29-476d-88c4-4bb675d2232b      N/A     N
> N/A
> > Self-heal Daemon on 7c642e2e-4a29-476d-88c4-4bb675d2232
> > b                                                       N/A     N
> N/A
> > NFS Server on 5aefe733-e9d7-4011-8e23-6af0de297dd0      N/A     N
> N/A
> > Self-heal Daemon on 5aefe733-e9d7-4011-8e23-6af0de297dd
> > 0                                                       N/A     N
> N/A
>
>
> --
> Emmanuel Dreyfus
> http://hcpnet.free.fr/pubz
> manu at netbsd.org
>
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>
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