On Wed 2011-12-21 (09:26), Jeff White wrote: > You didn't provide your current config or what version you are running Sorry, you are right: root at vms1:~# uname -a Linux vms1 2.6.38-13-server #53~lucid1-Ubuntu SMP Tue Nov 29 13:12:12 UTC 2011 x86_64 GNU/Linux root at vms1:~# gluster -V glusterfs 3.2.5 built on Nov 23 2011 09:16:06 root at vms1:~# gluster volume info test Volume Name: test Type: Replicate Status: Started Number of Bricks: 2 Transport-type: tcp Bricks: Brick1: zoo:/gfs Brick2: vms1:/gfs zoo and vms1 are Intel 64bit Xeons 3 GHz quadcore server with 8 GB RAM and 1 GbE. > but you may find this useful: > > http://www.gluster.org/community/documentation/index.php/Gluster_3.2:_Tuning_Volume_Options But which values for which parameters ure useful? I have tried it with: gluster volume set test performance.cache-size 256MB gluster volume set test performance.write-behind-window-size 256MB but got no better performance. -- Ullrich Horlacher Server- und Arbeitsplatzsysteme Rechenzentrum E-Mail: horlacher at rus.uni-stuttgart.de Universitaet Stuttgart Tel: ++49-711-685-65868 Allmandring 30 Fax: ++49-711-682357 70550 Stuttgart (Germany) WWW: http://www.rus.uni-stuttgart.de/ REF: <4EF1EC9D.8040103 at pitt.edu>