Re: [Gluster-devel] 3.4.0alpha3 performances

[Emmanuel Dreyfus]

Emmanuel Dreyfus <address@hidden> wrote:

> But perhaps you would be interested in exploring further why that
> glusterfs volume went into a poor performance mode?

A difference between a volule with decent performances and a volume in
slow mode. The former has nothing in the logs during operation, while
the later is continuously complaining, in client log:

[2013-05-08 14:59:52.442458] W
[client-rpc-fops.c:1755:client3_3_xattrop_cbk] 0-gfs33-client-0: remote
operation failed: Undefined error: 0. Path: (null) (--)
[2013-05-08 14:59:52.475153] W
[client-rpc-fops.c:1755:client3_3_xattrop_cbk] 0-gfs33-client-1: remote
operation failed: Undefined error: 0. Path: (null) (--)
[2013-05-08 16:05:17.096920] W
[client-rpc-fops.c:1994:client3_3_setattr_cbk] 0-gfs33-client-0: remote
operation failed: No such file or directory
[2013-05-08 16:05:17.097871] W
[client-rpc-fops.c:1755:client3_3_xattrop_cbk] 0-gfs33-client-0: remote
operation failed: Undefined error: 0. Path: (null) (--)
[2013-05-08 16:05:17.131096] W
[client-rpc-fops.c:1755:client3_3_xattrop_cbk] 0-gfs33-client-1: remote
operation failed: Undefined error: 0. Path: (null) (--)


brick logs complain even more:
[2013-05-08 16:37:05.780626] I [server-rpc-fops.c:1572:server_open_cbk]
0-gfs33-server: 30925: OPEN (null)
(db3317fd-211b-4dc2-a972-58a59cbea560) ==> (No such file or directory)
[2013-05-08 16:37:07.993495] I
[server-rpc-fops.c:243:server_inodelk_cbk] 0-gfs33-server: 30927:
INODELK (null) (ea6b0cce-e85f-4ed7-b729-08effaafccca) ==> (No such file
or directory)
[2013-05-08 16:37:08.431735] I [server-rpc-fops.c:1572:server_open_cbk]
0-gfs33-server: 30928: OPEN (null)
(ea6b0cce-e85f-4ed7-b729-08effaafccca) ==> (No such file or directory)
[2013-05-08 16:37:08.583853] I
[server-rpc-fops.c:243:server_inodelk_cbk] 0-gfs33-server: 30930:
INODELK (null) (3ddd0398-b169-49b4-8008-f681c6151ab4) ==> (No such file
or directory)
[2013-05-08 16:37:08.592038] I
[server-rpc-fops.c:342:server_entrylk_cbk] 0-gfs33-server: 30931:
ENTRYLK (null) (3ddd0398-b169-49b4-8008-f681c6151ab4) ==> (No such file
or directory)

Does that ring a bell?

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
address@hidden