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From Steve Loughran <ste...@hortonworks.com>
Subject Re: Hoya Proposal
Date Fri, 10 Jan 2014 09:31:59 GMT
I'm going to do the rename over the w/end, I just need to get a functional
tests branch in, because merge-over-renames is one of those things you
don't want to have to do.


On 9 January 2014 17:29, Alejandro Abdelnur <tucu@cloudera.com> wrote:

> argh, gmail trying to be extra smart collapsed his comment on that and i
> missed. sorry
>
> thx
>
> Alejandro
> (phone typing)
>
> > On Jan 9, 2014, at 9:23, larry mccay <lmccay@apache.org> wrote:
> >
> > Hi Alejandro -
> >
> > I believe that Steve has already acknowledged that a package rename is
> > required and that the project is likely not appropriate for Hadoop
> proper.
> >
> > thanks,
> >
> > --larry
> >
> >
> > On Thu, Jan 9, 2014 at 11:46 AM, Alejandro Abdelnur <tucu@cloudera.com
> >wrote:
> >
> >> I may have not been clear enough, I was referring to using
> >> 'org.apache.hadoop' as package prefix for a project other than hadoop.
> >>
> >> Thanks
> >>
> >>
> >> On Thu, Jan 9, 2014 at 8:36 AM, Benson Margulies <bimargulies@gmail.com
> >>> wrote:
> >>
> >>> If you can work out a plan to do this directly in Hadoop, there's no
> >>> need for the incubator. You just build and and contribute it in
> >>> cahoots with them, and earn commit over there as you go.
> >>>
> >>> On Thu, Jan 9, 2014 at 11:14 AM, Alejandro Abdelnur <tucu@cloudera.com
> >
> >>> wrote:
> >>>> Mmmh, if i recall correctly this has come up in the past with other
> >>> projects and it was decided against it. Could you please check with the
> >>> hadoop folks about it?
> >>>>
> >>>> Thx
> >>>>
> >>>>> On Jan 9, 2014, at 1:19 AM, Steve Loughran <stevel@hortonworks.com>
> >>> wrote:
> >>>>>
> >>>>> no its wrong, it should all be under org.apache.hoya.
> >>>>>
> >>>>> I had the hadoop prefix so that I could perhaps put it straight
into
> >> the
> >>>>> hadoop code as another tools module -no need for incubation. But
as
> >> the
> >>>>> actual providers and all tests are related to the deployment of
hbase
> >>> and
> >>>>> accumulo, it really comes downstream of those.
> >>>>>
> >>>>> so a rename is needed.
> >>>>>
> >>>>> but yes, ASF headers everywhere
> >>>>>
> >>>>>
> >>>>>> On 8 January 2014 22:48, Henry Saputra <henry.saputra@gmail.com>
> >>> wrote:
> >>>>>>
> >>>>>> I like how the initial code already put under "
> >>>>>> org.apache.hadoop.hoya"  with correct ASF header =)
> >>>>>>
> >>>>>> - Henry
> >>>>>>
> >>>>>> On Wed, Jan 8, 2014 at 7:08 AM, Steve Loughran <
> >> stevel@hortonworks.com
> >>>>
> >>>>>> wrote:
> >>>>>>> I'm starting to put together the incubation proposal for
Hoya: a
> >> tool
> >>> to
> >>>>>>> dynamically deploy applications such as HBase or Accumulo
on YARN
> >>>>>>>
> >>>>>>> https://wiki.apache.org/incubator/HoyaProposal
> >>>>>>>
> >>>>>>> It does already work to the extent that it can bring up
either
> >>>>>> application,
> >>>>>>> run different clusters of different versions, and remember
where
> >>>>>> containers
> >>>>>>> were allocated so that on application restart it can ask
for them
> >>> back.
> >>>>>>> That increases data locality and makes a big difference
with HBase.
> >>>>>>>
> >>>>>>> It also needs a lot more work -YARN-896 is adding YARN features
> that
> >>>>>> help,
> >>>>>>> but there's lots of fun to be had in Hoya including
> >>>>>>> -leading edge work in failure handling, modelling cluster
> >>> unreliability
> >>>>>>> and reacting to it. Can we move beyond simple blacklisting
to
> >>>>>>> "greylisting", accepting unreliable boxes if we have no
altenatives
> >>>>>>>
> >>>>>>> Then there's adding more providers, to support different
> application
> >>>>>>> installations -I'm starting to write a functional test framework
> >> which
> >>>>>> need
> >>>>>>> provider-specific workload generations
> >>>>>>>
> >>>>>>> Other features: AM should have a web ui that redirects to
the live
> >>>>>>> endpoints to all the app-specific UIs (e.g. HBase Master
GUI), as
> >>> well as
> >>>>>>> displaying cluster state itself, for people and for management
> >>> tools....
> >>>>>>>
> >>>>>>> To summarise: lots of fun to be had
> >>>>>>>
> >>>>>>> -steve
> >>>>>>>
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> >> --
> >> Alejandro
> >>
>
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