Erg... I sent to fast. Bad title, please read «More writes on blockdevice than on filestore) Le lundi 23 mars 2015 à 14:21 +0100, Olivier Bonvalet a écrit : > Hi, > > I'm still trying to find why there is much more write operations on > filestore since Emperor/Firefly than from Dumpling. > > So, I add monitoring of all perf counters values from OSD. > > From what I see : «filestore.ops» reports an average of 78 operations > per seconds. But, block device monitoring reports an average of 113 > operations per seconds (+45%). > please thoses 2 graphs : > - https://daevel.fr/img/firefly/osd-70.filestore-ops.png > - https://daevel.fr/img/firefly/osd-70.sda-ops.png > > Do you see what can explain this difference ? (this OSD use XFS) > > Thanks, > Olivier > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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