RE: NFS over RDMA benchmark

2013-04-28 Thread Yan Burman
-Original Message- From: J. Bruce Fields [mailto:bfie...@fieldses.org] Sent: Wednesday, April 24, 2013 18:27 To: Yan Burman Cc: Wendy Cheng; Atchley, Scott; Tom Tucker; linux-rdma@vger.kernel.org; linux-...@vger.kernel.org; Or Gerlitz Subject: Re: NFS over RDMA benchmark On

Re: NFS over RDMA benchmark

2013-04-28 Thread J. Bruce Fields
On Sun, Apr 28, 2013 at 06:28:16AM +, Yan Burman wrote: On Wed, Apr 17, 2013 at 7:36 AM, Yan Burman y...@mellanox.com I've been trying to do some benchmarks for NFS over RDMA and I seem to only get about half of the bandwidth that the HW can give me.

Re: NFS over RDMA benchmark

2013-04-28 Thread Wendy Cheng
On Sun, Apr 28, 2013 at 7:42 AM, J. Bruce Fields bfie...@fieldses.org wrote: On Wed, Apr 17, 2013 at 7:36 AM, Yan Burman When running ib_send_bw, I get 4.3-4.5 GB/sec for block sizes 4-512K. When I run fio over rdma mounted nfs, I get 260-2200MB/sec for the same block sizes (4-512K).