[ceph-users] Data placement algorithm

2014-04-28 Thread Séguin Cyril
Hy all, I'm currently interesting in comparing Ceph's block replica placement policy with other placements algorithm. Is it possible to access to the source code of Ceph's placement policy and where can I find it? Thanks a lot. Best regards. CS ___

Re: [ceph-users] Data placement algorithm

2014-04-28 Thread Séguin Cyril
Yes it is! Thanks a lot. On 28/04/2014 17:18, xan.peng wrote: I think what you want is Ceph's CRUSH algorithm. Source code: https://github.com/ceph/ceph/tree/master/src/crush Paper: http://www.ssrc.ucsc.edu/Papers/weil-sc06.pdf On Mon, Apr 28, 2014 at 5:27 PM, Séguin Cyril wrote: H

[ceph-users] Benchmark for Ceph

2014-05-15 Thread Séguin Cyril
Hello, I would like to test I/O Ceph's performances. I'm searching for a popular benchmark to create a dataset and run I/O tests that I can reuse for other distributed file systems and other tests. I have tried filebench but it seems not to be reproducible. Do you know any other benchmark th