[Gluster-users] High CPU Usage After Glusterfs install

[Joseph Hardeman]

Hey Brian,

Thanks for the info, I may have mispelled them.  It was actually afr and
unify.  I wasn't spelling very well this morning. :-)

I have been following different steps I found and your probably right, I
plan on rebuilding these systems tonight and just use the gluster commands
to put the peers and volumes together and run more tests.  I will give
strace a try during the failovers to see what might be happening.

I appreciate everything.

Joe

On Wed, Mar 14, 2012 at 4:17 PM, Brian Candler <B.Candler at pobox.com> wrote:

> On Wed, Mar 14, 2012 at 03:13:29PM -0400, Joseph Hardeman wrote:
> >    Thank you for responding.  So you aren't using the vol files in
> >    /etc/glusterfs to control anything, such as afra or unity?
>
> Nope - indeed I have no idea what afra or unity are (and googling for
> "gluster afra unity" doesn't match anything useful)
>
> I have used the CLI utils as per the documentation, and everything "just
> works".  There are a three files in /etc/glusterfs/ but they have not
> changed:
>
> $ ls -l /etc/glusterfs/
> total 12
> -rw-r--r-- 1 root root  229 2011-11-18 07:00 glusterd.vol
> -rw-r--r-- 1 root root 1908 2011-11-18 07:00 glusterfsd.vol.sample
> -rw-r--r-- 1 root root 2005 2011-11-18 07:00 glusterfs.vol.sample
>
> All the config changes are instead reflected under /etc/glusterd/
>
> $ ls /etc/glusterd/
> geo-replication  glusterd.info  nfs  peers  vols
>
> I see there's lots of *old* documentation for gluster <=2.x which talks
> about doing things manually, but the new documentation has been seriously
> dumbed down and doesn't even mention the module stacking configuration
> files.
>
> >    I am just
> >    asking because after building my own rpms and installing them, I was
> >    able to build like I did before and I didn't see the high CPU usage.
> >    Now the weird thing I saw was during a test failover and
> >    stopping/starting glusterd on the first of pair I did see high cpu and
> >    the vm's hung.
>
> Attaching strace to the gluster processes might give you an idea what's
> happening?
>
> Regards,
>
> Brian.
>
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