Hi all, I have updated the how-to here: http://ceph.com/wiki/Benchmark And published the results of my latest tests: http://ceph.com/wiki/Benchmark#First_Example All results are good, my benchmark is clearly limited by my network connection ~ 110MB/s. In exception of the rest-api bench, the value seems really low. I have configured radosgw with this: http://ceph.com/docs/master/radosgw/config/ I clean disk cache on all servers before the bench, and start rest-bench for 900 seconds with default value. Is my rest-bench result normal ? Have I missed something ? Don't hesitate if you need more informations on my setup. And then, I have another question about how is the Standard Deviation calculated with rados bench and rest-bench ? with the reported value printed each second by the benchmark client ? If yes, when latency is too high, the reported bandwith is sometime zero, then has the calculated StdDev for bandwith a sens ? Cheers, -- Mehdi Abaakouk for eNovance mail: sileht@xxxxxxxxxx irc: sileht
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