Hi! Have you considered raising the read and write caches' size on Gluster's volumes? http://www.gluster.com/community/documentation/index.php/Gluster_3.2:_Setting_Vol ume_Options In the documentation it says that: - performance.cache-size only defaults to 32M - performance.write-behind-window-size defaults to 1M per file There are also the other performance.* options. I really don't know if it is safe to raise write cache size a lot. Regards. Tiago