I came across this question and also found the results of the benchmarks somewhat surprising. GlusterFS replicated 2: 32-35 seconds, high CPU load GlusterFS single: 14-16 seconds, high CPU load GlusterFS + NFS client: 16-19 seconds, high CPU load NFS kernel server + NFS client (sync): 32-36 seconds, very low CPU load NFS kernel server … Continue reading NAS Performance: NFS vs Samba vs GlusterFS