Thanks Haomai, So are all latency values calculated in seconds? Dan -----Original Message----- From: Haomai Wang [mailto:haomaiwang@xxxxxxxxx] Sent: Friday, May 09, 2014 11:20 AM To: Dan Ryder (daryder) Cc: ceph-users at ceph.com Subject: Re: Low latency values 178/184229=0.00097 s = 0.97ms On Fri, May 9, 2014 at 10:49 PM, Dan Ryder (daryder) <daryder at cisco.com> wrote: > Hi, > > > > I?m seeing really low latency values, to the extent that they don?t > seem realistic. > > > > Snippet from the latest perf dump for this OSD: > > > > "op_r_latency": { "avgcount": 184229, > > "sum": 178.077710000}, > > > > Long run avg = 178.07771/184229 = 0.00097 ms? Is it correct that > latency values have milliseconds as units? > > If so, this number seems too small. > > > > Any help would be appreciated. > > > > Thanks, > > Dan > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Best Regards, Wheat