Hi Jim, On 02/08/2017 07:45 PM, Jim Kilborn wrote:
I have had two ceph monitor nodes generate swap space alerts this week. Looking at the memory, I see ceph-mon using a lot of memory and most of the swap space. My ceph nodes have 128GB mem, with 2GB swap (I know the memory/swap ratio is odd) When I get the alert, I see the following
[snip]
root@empire-ceph02 ~]# ps -aux | egrep 'ceph-mon|MEM' USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND ceph 174239 0.3 45.8 62812848 60405112 ? Ssl 2016 269:08 /usr/bin/ceph-mon -f --cluster ceph --id empire-ceph02 --setuser ceph --setgroup ceph [snip] Is this a setting issue? Or Maybe a bug? When I look at the other ceph-mon processes on other nodes, they aren’t using any swap, and only about 500MB of memory.
Can you get us the result of `ceph -s`, of `ceph daemon mon.ID ops`, and the size of your monitor's data directory? The latter, ideally, recursive with the sizes of all the children in the tree (which, assuming they're a lot, would likely be better on a pastebin).
-Joao _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
