Re: Crash and strange things on MDS

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On Tue, Feb 19, 2013 at 10:15:48AM -0800, Gregory Farnum wrote:
> Looks like you've got ~424k dentries pinned, and it's trying to keep
> 400k inodes in cache. So you're still a bit oversubscribed, yes. This
> might just be the issue where your clients are keeping a bunch of
> inodes cached for the VFS (http://tracker.ceph.com/issues/3289).

Thanks for the analyze. We use only one ceph-fuse client at this time
which makes all "high-load" commands like rsync, tar and cp on a huge
amount of files. Well, I will replace it by the kernel client.

After some tests we increased the mds cache size to 900k.

-- 
Kevin Decherf - @Kdecherf
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http://kdecherf.com
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