Re: avoid 3-mds fs laggy on 1 rejoin?

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On Fri, Oct 9, 2015 at 6:49 PM, Dzianis Kahanovich
<mahatma@xxxxxxxxxxxxxx> wrote:
> Yan, Zheng пишет:
>
>> It seems you have 16 mounts. Are you using kernel client or fuse
>> client, which version are they?
>
>
> 1) On every of 4x ceph node:
> 4.1.8 kernel mount to /mnt/ceph0 (used only for samba/ctdb lockfile);
> fuse mount to /mnt/ceph1 (some used);
> samba cluster (ctdb) with vfs_ceph;
> 2) On 2 additional out-of-cluster (service) nodes:
> 4.1.8 (now 4.2.3) kernel mount;
> 4.1.0 both mounts;
> 3) 2 VMs:
> kernel mounts (most active: web & mail);
> 4.2.3;
>
> fuse mounts - same version with ceph;


please run "ceph daemon mds.x session ls" to find which client has
largest number of caps. mds.x is ID of active mds.

Yan, Zheng




>
>
>
> --
> WBR, Dzianis Kahanovich AKA Denis Kaganovich, http://mahatma.bspu.unibel.by/
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