Thanks for the answer.
So it doesn’t hurt performance if it grows to ridiculous size - e.g. no lookup 
table overhead, stat()ing additional files etc.?

Jan

> On 16 Jun 2015, at 11:51, Gregory Farnum <[email protected]> wrote:
> 
> Every time you delete a snapshot it goes in removed_snaps. The set of
> removed snaps is stored as an interval set, so it uses up two integers
> in the OSDMap for each range.
> There are some patterns of usage that work out badly for this, but
> generally if you're creating snapshots as time goes forward and
> deleting the oldest ones it shouldn't be a problem.
> -Greg
> 
> On Tue, Jun 16, 2015 at 1:41 AM, Jan Schermer <[email protected]> wrote:
>> Ping :-)
>> Looks like nobody is bothered by this, can I assume it is normal, doesn’t 
>> hurt anything and will grow to millions in time?
>> 
>> Jan
>> 
>> 
>>> On 15 Jun 2015, at 10:32, Jan Schermer <[email protected]> wrote:
>>> 
>>> Hi,
>>> I have ~1800 removed_snaps listed in the output of “ceph osd dump”.
>>> 
>>> Is that allright? Any way to get rid of those? What’s the significance?
>>> 
>>> Thanks
>>> 
>>> Jan
>> 
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