[Gluster-devel] ls again

[Amar S. Tumballi]

Hi Jordi,
 Can you check on the backend if your disks are ok? because from posix level
itself, you are getting EIO. (Input/Output Error)

Regards,
Amar

On Mon, Apr 7, 2008 at 9:15 AM, Jordi Moles <jordi at cdmon.com> wrote:

> Hi everyone,
>
> i was about to write a new message to this list to explain my new
> experiencies with "the ls problem".
>
> This morning i updated both fuse and glusterfs to the latest tla versions,
> i used to have mainline2.5-patch 690, now i've got patch 736.
>
> The thing is that i used to have "ls slow" commands when there was "some"
> activity in the filesystem.
>
> But with today's update, the system is even slowler, with an empty
> filesystem, with no activity at all.... ls is really really slow.
>
> is that normal?
>
> these are extracts from my log files:
>
> postfix-client
> ***************
> 2008-04-07 16:09:52 E [unify.c:177:unify_lookup_cbk] ultim: grup1 returned
> 5
> 2008-04-07 16:09:52 E [fuse-bridge.c:459:fuse_entry_cbk] glusterfs-fuse:
> 483446: (34) /dummymassiu2/new/
> 1207584588.V12I1e6810M24355.postfix01gluster01.cdmon.com,S=1312 => -1 (5)
> 2008-04-07 16:09:52 E [unify.c:177:unify_lookup_cbk] ultim: grup1 returned
> 5
> 2008-04-07 16:09:52 E [fuse-bridge.c:459:fuse_entry_cbk] glusterfs-fuse:
> 483450: (34) /dummymassiu2/new/
> 1207584588.V12I1e6810M24355.postfix01gluster01.cdmon.com,S=1312 => -1 (5)
> 2008-04-07 16:09:53 E [unify.c:177:unify_lookup_cbk] ultim: grup1 returned
> 5
> 2008-04-07 16:09:53 E [fuse-bridge.c:459:fuse_entry_cbk] glusterfs-fuse:
> 483784: (34) /dummymassiu6/new/
> 1207584588.V12I124a4aM313591.postfix01gluster01.cdmon.com,S=1313 => -1 (5)
> 2008-04-07 16:09:53 E [unify.c:177:unify_lookup_cbk] ultim: grup1 returned
> 5
> 2008-04-07 16:09:53 E [fuse-bridge.c:459:fuse_entry_cbk] glusterfs-fuse:
> 483788: (34) /dummymassiu6/new/
> 1207584588.V12I124a4aM313591.postfix01gluster01.cdmon.com,S=1313 => -1 (5)
> ***************
>
> nodes
> ***************
> 2008-04-07 16:10:29 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/maildirsize: Input/output error
> 2008-04-07 16:10:29 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/
> 1207584613.V12I124a4aM742789.postfix01gluster01.cdmon.com,S=1312:
> Input/output error
> 2008-04-07 16:10:29 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/maildirsize: Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu2/new/
> 1207584622.V12I1e6810M709269.postfix02gluster01.cdmon.com,S=1310:
> Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu2/new/
> 1207584622.V12I1e6810M709269.postfix02gluster01.cdmon.com,S=1310:
> Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/
> 1207584610.V12I124a51M867739.postfix02gluster01.cdmon.com,S=1310:
> Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/maildirsize: Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/maildirsize: Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/
> 1207584616.V12I124a52M181177.postfix02gluster01.cdmon.com,S=1311:
> Input/output error
> 2008-04-07 16:10:30 W [posix.c:92:posix_lookup] esp: lstat on
> /dummymassiu6/new/
> 1207584610.V12I124a51M867739.postfix02gluster01.cdmon.com,S=1310:
> Input/output error
> ***************
>
> Nothing a part from the glusterfs version has changed... i mean... conf
> files are the same.... same machines.... and so on.....
>
>
>
>
>
>
>
>
>
>
>
> En/na Reinis Rozitis ha escrit:
>
>  ls commands on modern GNU/Linux systems run xattr calls on each entry for
> > > >
> > > >
> > > ACL purposes. This can turn out to be pretty expensive in terms of
> > performance.
> >
> > Thanks,
> > thats what I thought of. Maybe worth to add to the FAQ or some other
> > docs so
> > it doesnt turn out as WTF - factor.
> >
> > rr
> >
> >
> >
> > _______________________________________________
> > Gluster-devel mailing list
> > Gluster-devel at nongnu.org
> > http://lists.nongnu.org/mailman/listinfo/gluster-devel
> >
> >
>
>
>
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>



-- 
Amar Tumballi
Gluster/GlusterFS Hacker
[bulde on #gluster/irc.gnu.org]
http://www.zresearch.com - Commoditizing Supercomputing and Superstorage!