Quenten, It has been noted before and I've seen a thread on the mailing list about it.
In a long term, I've not noticed a great increase in ram. By that i mean that initially, right after doing the upgrade from emperor to firefly and restarting the odd servers I did notice about 20-25% more ram usage. However, it has been about a week since i've done the upgrade and according to my graphs, the memory usage has decreased and is now at about the same level as it was before the upgrade. It does sound strange, but that's the case with me. Here is my current usage on one of my odd servers: ps aux |grep ceph-osd root 23081 5.9 1.3 1889508 334908 ? Ssl Jul12 132:28 /usr/bin/ceph-osd --cluster=ceph -i 0 -f root 23083 7.7 1.3 2024624 344664 ? Ssl Jul12 171:37 /usr/bin/ceph-osd --cluster=ceph -i 6 -f root 23152 4.4 1.4 1857568 348068 ? Ssl Jul12 99:04 /usr/bin/ceph-osd --cluster=ceph -i 3 -f root 23222 4.4 1.0 1807564 254108 ? Ssl Jul12 98:01 /usr/bin/ceph-osd --cluster=ceph -i 8 -f root 23295 4.5 1.1 1774380 272012 ? Ssl Jul12 100:10 /usr/bin/ceph-osd --cluster=ceph -i 4 -f root 23369 3.8 1.0 1689284 257152 ? Ssl Jul12 84:09 /usr/bin/ceph-osd --cluster=ceph -i 2 -f root 23434 7.0 1.2 1963112 299424 ? Ssl Jul12 156:09 /usr/bin/ceph-osd --cluster=ceph -i 7 -f root 23513 6.2 1.1 1885832 283804 ? Ssl Jul12 137:45 /usr/bin/ceph-osd --cluster=ceph -i 1 -f root 23545 6.0 1.0 1819448 258408 ? Ssl Jul12 134:23 /usr/bin/ceph-osd --cluster=ceph -i 5 -f Cheers Andrei ----- Original Message ----- From: "Quenten Grasso" <qgra...@onq.com.au> To: "ceph-users" <ceph-users@lists.ceph.com> Sent: Monday, 14 July, 2014 11:37:07 AM Subject: [ceph-users] Firefly Upgrade Hi All, Just a quick question for the list, has anyone seen a significant increase in ram usage since firefly? I upgraded from 0.72.2 to 80.3 now all of my Ceph servers are using about double the ram they used to. Only other significant change to our setup was a upgrade to Kernel 3.13.0-30-generic #55~precise1-Ubuntu SMP Any ideas? Regards, Quenten _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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