Re: [ceph-users] Bad cluster benchmark results

2014-10-02 Thread Jakes John
Thanks Christian. You saved my time! I mistakenly assumed -b value to be in KB. Now, when I ran same benchmarks, I am getting ~106 MB/s for writes and ~1050MB/s for reads for replica of 2. I am slightly confused about the Read and write bandwidth terminology. What is the theoretical maximum for

Re: [ceph-users] Bad cluster benchmark results

2014-10-02 Thread Christian Balzer
Hello, On Wed, 1 Oct 2014 23:08:53 -0700 Jakes John wrote: Thanks Christian. You saved my time! I mistakenly assumed -b value to be in KB. Now, when I ran same benchmarks, I am getting ~106 MB/s for writes and ~1050MB/s for reads for replica of 2. I am slightly confused about the Read

[ceph-users] Bad cluster benchmark results

2014-10-01 Thread Jakes John
Hi Ceph users, I am stuck with the benchmark results that I obtained from the ceph cluster. Ceph Cluster: 1 Mon node, 4 osd nodes of 1 TB. I have one journal for each osd. All disks are identical and nodes are connected by 10 G. Below is the dd results dd if=/dev/zero