[ceph-users] Ceph mds memory leak while replay

Yan, Zheng ukernel at gmail.com
Fri Oct 26 08:17:31 PDT 2018


Reset the source code and apply the attached patch. It should resolve the
memory issue.

good luck
Yan, Zheng






On Fri, Oct 26, 2018 at 2:41 AM Johannes Schlueter <bleaktradition at gmail.com>
wrote:

> Hello,
>
> os: ubuntu bionic lts
> ceph v12.2.7 luminous (on one node we updated to ceph-mds 12.2.8 with no
> luck)
> 2 mds and 1 backup mds
>
> we just experienced a problem while restarting a mds. As it has begun to
> replay the journal, the node ran out of memory.
> A restart later, after giving about 175GB of swapfile, it still breaks
> down.
>
> As mentioned in an maillist entry with similar problem earlier, we
> restarted all mds nodes causing all nodes to leak. Now they just switch
> around as they break down and the backup starts the replay.
>
> Sincerely
>
> Patrick
> _______________________________________________
> ceph-users mailing list
> ceph-users at lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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