ceph_mtu900_readahead4096 QEMU 2.1.3 testing on Ubuntu 14.04 via the Phoronix Test Suite. ceph_mtu900_readahead4096: Processor: QEMU Virtual 2.1.3 @ 2.70GHz (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 99GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1024x768, System Layer: QEMU 2.1.3 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 786 |============================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 49.86 |============================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 746 |============================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 47.46 |============================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 6 |================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 4125 |============================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 280.94 |=========================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 1024 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 64.87 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 13629 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 954.42 |=========================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 147 |============================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 9.87 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better ceph_mtu900_readahead4096 . 4766 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better ceph_mtu900_readahead4096 . 303.48 |===========================================