Re: Performance of cephfs

[Timofey Koolin <timofey@xxxxxxxxx>]

Can anybody repeat is test in own production cluster?

2013/4/4 Timofey Koolin <timofey@xxxxxxxxx>

I have centos 6.3 with kernel 3.8.4-1.el6.elrepo.x86_64 from elrepo.org. Cephfs mount with kernel module.

[root@localhost t1]# wget http://joomlacode.org/gf/download/frsrelease/17965/78413/Joomla_3.0.3-Stable-Full_Package.tar.gz

[root@localhost t1]# time tar -zxf Joomla_3.0.3-Stable-Full_Package.tar.gz 

real 8m58.914s

user 0m0.414s

sys 0m0.757s

Same on local file system:

[root@localhost t1]# time tar -zxf Joomla_3.0.3-Stable-Full_Package.tar.gz 

real 0m0.477s

user 0m0.252s

sys 0m0.229s

I have empty cluster with 3 VDS on same host server. Every VDS have 1GB RAM. Have have no any load in this cluster.

Is it normal?

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