Re: [Gluster-users] How to evaluate the glusterfs performance with small file workload?

2013-03-19 Thread nlxswig
Hi Vennlig hilsen Thanks for your reply. For the Glusterfs write cache, there is clearly description in the document of "performance in gluster" that was released by Gluster, it said that in order to avoid the memory cache coherency problem, then didn't use write cache in the client end. There

Re: [Gluster-users] How to evaluate the glusterfs performance with small file workload?

2013-03-18 Thread Shawn Nock
nlxswig writes: > Hi guys > > I have met some troubles when I want to evaluate the glusterfs > performance with small file workload. > > 1: What kind of benchmark should I use to test the small file > operation ? I use fio (http://freecode.com/projects/fio). Here's an old tutorial: https://www.

Re: [Gluster-users] How to evaluate the glusterfs performance with small file workload?

2013-03-18 Thread Torbjørn Thorsen
On Mon, Mar 18, 2013 at 11:27 AM, nlxswig wrote: > Hi guys > 1: What kind of benchmark should I use to test the small file operation > ? I've been wondering a bit about the same thing. I was thinking it would be nice to have something record and synthesize IO patterns. One could record a proc

[Gluster-users] How to evaluate the glusterfs performance with small file workload?

2013-03-18 Thread nlxswig
Hi guys I have met some troubles when I want to evaluate the glusterfs performance with small file workload. 1: What kind of benchmark should I use to test the small file operation ? As we all know, we can use iozone tools to test the large file operation, while for the sake of