Re: [ceph-users] which tool to use for benchmarking rgw s3, yscb or cosbench

2019-07-22 Thread Mark Lehrer
I have had good luck with YCSB as an initial assessment of different storage systems. Typically I'll use this first when I am playing with a new system, but I like to switch to the more native tools (rados bench, cassandra-stress, etc etc) as soon as I am more comfortable. And I can definitely

Re: [ceph-users] which tool to use for benchmarking rgw s3, yscb or cosbench

2019-07-22 Thread Lars Marowsky-Bree
On 2019-07-21T23:51:41, Wei Zhao wrote: > Hi: > I found cosbench is a very convenient tool for benchmaring rgw. But > when I read papers , I found YCSB tool, > https://github.com/brianfrankcooper/YCSB/tree/master/s3 . It seems > that this is used for test cloud service , and seems a right

Re: [ceph-users] which tool to use for benchmarking rgw s3, yscb or cosbench

2019-07-21 Thread Mark Nelson
Hi Wei Zhao, I've used ycsb for mongodb on rbd testing before.  It worked fine and was pretty straightforward to run.  The only real concern I had was that many of the default workloads used a zipfian distribution for reads.  This basically meant reads were entirely coming from cache and