Hello, On Wed, 20 Jul 2016 12:19:07 -0700 Kane Kim wrote: > Hello, > > I was running cosbench for some time and noticed sharp consistent > performance decrease at some point. > > Image is here: http://take.ms/rorPw Unfortunately that statement and image is rather pointless without about a metric ton of relevant data. Start with describing your setup (HW and SW) in intricate detail. Any changes to default configuration parameters. Then see if you can determine with tools like atop if there is a bottleneck with your setup when it hits that drop, on OSDs nodes and on your RGW (since you mention cosbench). Christian -- Christian Balzer Network/Systems Engineer chibi@xxxxxxx Global OnLine Japan/Rakuten Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com