Re: firefly timing

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On Tue, 18 Mar 2014, Milosz Tanski wrote:
> Is this statement in the documentation still valid: "Stale data is
> expired from the cache pools based on some as-yet undetermined
> policy." As that sounds a bit scary.

I'll update the docs :).  The policy is pretty simply but not described 
anywhere yet.

sage


> 
> - Milosz
> 
> On Tue, Mar 18, 2014 at 12:06 PM, Sage Weil <sage@xxxxxxxxxxx> wrote:
> > On Tue, 18 Mar 2014, Stefan Priebe - Profihost AG wrote:
> >> Hi Sage,
> >>
> >> i really would like to test the tiering. Is there any detailed
> >> documentation about it and how it works?
> >
> > Great!  Here is a quick synopiss on how to set it up:
> >
> >         http://ceph.com/docs/master/dev/cache-pool/
> >
> > sage
> >
> >
> >
> >>
> >> Greets,
> >> Stefan
> >>
> >> Am 18.03.2014 05:45, schrieb Sage Weil:
> >> > Hi everyone,
> >> >
> >> > It's taken longer than expected, but the tests for v0.78 are calming down
> >> > and it looks like we'll be able to get the release out this week.
> >> >
> >> > However, we've decided NOT to make this release firefly.  It will be a
> >> > normal development release.  This will be the first release that includes
> >> > some key new functionality (erasure coding and cache tiering) and although
> >> > it is passing our tests we'd like to have some operational experience with
> >> > it in more users' hands before we commit to supporting it long term.
> >> >
> >> > The tentative plan is to freeze and then release v0.79 after a normal two
> >> > week cycle.  This will serve as a 'release candidate' that shaves off a
> >> > few rough edges from the pending release (including some improvements with
> >> > the API for setting up erasure coded pools).  It is possible that 0.79
> >> > will turn into firefly, but more likely that we will opt for another two
> >> > weeks of hardening and make 0.80 the release we name firefly and maintain
> >> > for the long term.
> >> >
> >> > Long story short: 0.78 will be out soon, and you should test it!  It is
> >> > will vary from the final firefly in a few subtle ways, but any feedback or
> >> > usability and bug reports at this point will be very helpful in shaping
> >> > things.
> >> >
> >> > Thanks!
> >> > sage
> >> > --
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> >>
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> 
> 
> 
> -- 
> Milosz Tanski
> CTO
> 10 East 53rd Street, 37th floor
> New York, NY 10022
> 
> p: 646-253-9055
> e: milosz@xxxxxxxxx
> 
> 
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