fsm1 openvz testing on Debian 8.3 via the Phoronix Test Suite. nofsync: Processor: Intel Xeon E3-1240 V2 @ 3.40GHz (4 Cores), Memory: 6144MB, Disk: 15GB OS: Debian 8.3, Kernel: 2.6.32-44-pve (x86_64), Compiler: GCC 4.9.2, File-System: ext2/ext3, System Layer: openvz small1000: Processor: Intel Xeon E3-1240 V2 @ 3.40GHz (4 Cores), Memory: 6144MB, Disk: 15GB OS: Debian 8.3, Kernel: 2.6.32-44-pve (x86_64), Compiler: GCC 4.9.2, File-System: ext2/ext3, System Layer: openvz 1: Processor: Intel Xeon E3-1240 V2 @ 3.40GHz (4 Cores), Memory: 6144MB, Disk: 15GB OS: Debian 8.3, Kernel: 2.6.32-44-pve (x86_64), Compiler: GCC 4.9.2, File-System: ext2/ext3, System Layer: openvz FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better nofsync . 496.92 |============================================================= FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better small1000 . 247.55 |=================================================== 1 ......... 287.20 |===========================================================