On Fri, 28 Feb 2014, Gregory Farnum wrote:
> 
> In doc/dev/cache-pool.rst:
> 
> >  
> >  Direct all traffic for foo to foo-hot::
> >  
> >   ceph osd tier set-overlay foo foo-hot
> >  
> > +Set the target size and enable the tiering agent for foo-hit::
> > +
> > + ceph osd pool set foo-hot hit_set_type bloom
> > + ceph osd pool set foo-hot hit_set_count 1
> > + ceph osd pool set foo-hot hit_set_period 3600   # 1 hour
> > + ceph osd pool set foo-hot target_max_bytes 1000000000000  # 1 TB
> 
> I see target_max_bytes here, which I like, but on a mailing list you
> referred to target_max_objects. Are those both valid, what's the interaction
> between them, and should they both be documented?

Both are valid.  Whichever limit hits first is when you get stopped.  Not 
sure yet where the docs for all of this will go, but yeah docs shoud 
include those and the hit_set types and the cache modes and everything 
else. > 
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