Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-29 Thread Christian Balzer
On Thu, 24 Apr 2014 13:51:49 +0800 Indra Pramana wrote: > Hi Christian, > > Good day to you, and thank you for your reply. > > On Wed, Apr 23, 2014 at 11:41 PM, Christian Balzer wrote: > > > > > > Using 32 concurrent writes, result is below. The speed really > > > > > fluctuates. > > > > > > >

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-28 Thread Indra Pramana
Dear Christian and all, Anyone can advise? Looking forward to your reply, thank you. Cheers. On Thu, Apr 24, 2014 at 1:51 PM, Indra Pramana wrote: > Hi Christian, > > Good day to you, and thank you for your reply. > > On Wed, Apr 23, 2014 at 11:41 PM, Christian Balzer wrote: > >> > > > Usi

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-23 Thread Indra Pramana
Hi Christian, Good day to you, and thank you for your reply. On Wed, Apr 23, 2014 at 11:41 PM, Christian Balzer wrote: > > > > Using 32 concurrent writes, result is below. The speed really > > > > fluctuates. > > > > > > > > Total time run: 64.31704964.317049 > > > > Total writes made:

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-23 Thread Christian Balzer
On Wed, 23 Apr 2014 12:39:20 +0800 Indra Pramana wrote: > Hi Christian, > > Good day to you, and thank you for your reply. > > On Tue, Apr 22, 2014 at 12:53 PM, Christian Balzer wrote: > > > On Tue, 22 Apr 2014 02:45:24 +0800 Indra Pramana wrote: > > > > > Hi Christian, > > > > > > Good day to

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-22 Thread Indra Pramana
Hi Christian, Good day to you, and thank you for your reply. On Tue, Apr 22, 2014 at 12:53 PM, Christian Balzer wrote: > On Tue, 22 Apr 2014 02:45:24 +0800 Indra Pramana wrote: > > > Hi Christian, > > > > Good day to you, and thank you for your reply. :) See my reply inline. > > > > On Mon, Ap

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-21 Thread Christian Balzer
On Tue, 22 Apr 2014 02:45:24 +0800 Indra Pramana wrote: > Hi Christian, > > Good day to you, and thank you for your reply. :) See my reply inline. > > On Mon, Apr 21, 2014 at 10:20 PM, Christian Balzer wrote: > > > > > Hello, > > > > On Mon, 21 Apr 2014 20:47:21 +0800 Indra Pramana wrote: > >

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-21 Thread Indra Pramana
Hi Christian, Good day to you, and thank you for your reply. :) See my reply inline. On Mon, Apr 21, 2014 at 10:20 PM, Christian Balzer wrote: > > Hello, > > On Mon, 21 Apr 2014 20:47:21 +0800 Indra Pramana wrote: > > > Dear all, > > > > I have a Ceph RBD cluster with around 31 OSDs running SS

Re: [ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-21 Thread Christian Balzer
Hello, On Mon, 21 Apr 2014 20:47:21 +0800 Indra Pramana wrote: > Dear all, > > I have a Ceph RBD cluster with around 31 OSDs running SSD drives, and I > tried to use the benchmark tools recommended by Sebastien on his blog > here: > How many OSDs per storage node and what is in those storage no

[ceph-users] Slow RBD Benchmark Compared To Direct I/O Test

2014-04-21 Thread Indra Pramana
Dear all, I have a Ceph RBD cluster with around 31 OSDs running SSD drives, and I tried to use the benchmark tools recommended by Sebastien on his blog here: http://www.sebastien-han.fr/blog/2012/08/26/ceph-benchmarks/ Our configuration: - Ceph version 0.67.7 - 31 OSDs of 500 GB SSD drives each