You might try putting a suitable amount of data into the cluster before worrying about the ratio of space used to data stored. :)
-Greg
On Fri, Mar 27, 2015 at 3:26 AM Saverio Proto <zioproto@xxxxxxxxx> wrote:
> I will start now to push a lot of data into the cluster to see if the
> "metadata" grows a lot or stays costant.
>
> There is a way to clean up old metadata ?
I pushed a lot of more data to the cluster. Then I lead the cluster
sleep for the night.
This morning I find this values:
6841 MB data
25814 MB used
that is a bit more of 1 to 3.
It looks like the extra space is in these folders (for N from 1 to 36):
/var/lib/ceph/osd/ceph-N/current/meta/
This "meta" folders have a lot of data in it. I would really be happy
to have pointers to understand what is in there and how to clean that
up eventually.
The problem is that googling for "ceph meta" or "ceph metadata" will
produce results for Ceph MDS that is completely unrelated :(
thanks
Saverio
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