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From Steve Loughran <>
Subject Re: Hoya Proposal
Date Thu, 09 Jan 2014 09:20:51 GMT
thanks, that's a great offer -lovely to have some management oversight from

I've put your name down

On 8 January 2014 15:18, Jean-Baptiste Onofré <> wrote:

> Hi Steve,
> it looks interesting. It's a kind of "advanced" provisioning for Hadoop
> cluster. I see some potential interesting "work together" with other
> projects.
> I would be please to be mentor on Hoya.
> Regards
> JB
> On 01/08/2014 04:08 PM, Steve Loughran 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
>> 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
> --
> Jean-Baptiste Onofré
> Talend -
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