On Wed, 17 Dec 2014 10:17:05 PM Lindsay Mathieson wrote: > What sort of test results were you wanting?
- Moving VM disks to cephfs works as expected.
- Live Migration works, but the spice client dies, though it can be
reconnected. This does not
happen when the VM is on NFS.
- Snapshots (QCOW2) are very fast, both taking and restoring. 10 - 20 seconds.
- Performance in the VM is much better than I expected from the dd results.
CrystalDiskMark from a win 7 VM:
CephFS - Writeback
-----------------------------------------------------------------------
CrystalDiskMark 3.0.3 x64 (C) 2007-2013 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 2265.119 MB/s
Sequential Write : 90.523 MB/s
Random Read 512KB : 1490.717 MB/s
Random Write 512KB : 331.157 MB/s
Random Read 4KB (QD=1) : 23.359 MB/s [ 5702.9 IOPS]
Random Write 4KB (QD=1) : 5.124 MB/s [ 1251.0 IOPS]
Random Read 4KB (QD2) : 42.396 MB/s [ 10350.5 IOPS]
Random Write 4KB (QD2) : 6.446 MB/s [ 1573.7 IOPS]
Test : 1000 MB [C: 41.1% (26.3/63.9 GB)] (x5)
Date : 2014/12/17 22:19:36
OS : Windows 7 Professional N SP1 [6.1 Build 7601] (x64)
The same benchmark on the same hardware with GlusterFS
GlusterFS - Writeback
-----------------------------------------------------------------------
CrystalDiskMark 3.0.3 Shizuku Edition x64 (C) 2007-2013 hiyohiyo
Crystal Dew World : http://crystalmark.info/
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 842.636 MB/s
Sequential Write : 129.334 MB/s
Random Read 512KB : 628.412 MB/s
Random Write 512KB : 110.795 MB/s
Random Read 4KB (QD=1) : 11.685 MB/s [ 2852.9 IOPS]
Random Write 4KB (QD=1) : 1.901 MB/s [ 464.2 IOPS]
Random Read 4KB (QD2) : 25.756 MB/s [ 6288.0 IOPS]
Random Write 4KB (QD2) : 3.028 MB/s [ 739.2 IOPS]
Test : 1000 MB [C: 38.9% (24.9/63.9 GB)] (x5)
Date : 2014/11/07 12:56:10
OS : Windows 7 Professional N SP1 [6.1 Build 7601] (x64)
I was planning to do Benchmarks with caching off, but I'm remoted in and the
connection
has gone to crap :(
--
Lindsay
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