Hello, On Wed, 08 Jul 2015 12:31:20 +0000 Steffen Tilsch wrote: > Hello, > > I just wondered what unit the latency is stated in rados bench. > You should be able to tell that by just observing it (and monitoring things via ceph -w and atop or such). ^o^ > Total time run: 200.954688 > Total writes made: 4989 > Write size: 4194304 > Bandwidth (MB/sec): 99.306 > Stddev Bandwidth: 131.109 > Max bandwidth (MB/sec): 464 > Min bandwidth (MB/sec): 0 > Average Latency: 0.644344 > Stddev Latency: 1.67235 > Max latency: 16.7246 > Min latency: 0.031293 > > s? Seconds, I'm afraid. Your cluster seems to be very "chunky". Of course normally people measure latency with smaller writes than 4MB, so those number are only good when comparing to other Ceph clusters. Christian > ms? > µs? > > Regards, > Steffen -- Christian Balzer Network/Systems Engineer chibi@xxxxxxx Global OnLine Japan/Fusion Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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