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From Tom White <...@cloudera.com>
Subject Re: [VOTE] - Establish YARN as a sub-project of Apache Hadoop
Date Wed, 15 Aug 2012 00:44:49 GMT
I think we need to be careful not to exclude people. All existing MR
committers have been trusted to commit to YARN so they should continue
to be trusted to commit to it. The simplest way would be to include
all existing MR committers. Alternatively, if it's generally
considered important to start with active committers, add all MR
committers who have previously committed to the YARN tree.


On Tue, Aug 14, 2012 at 2:27 PM, Robert Evans <evans@yahoo-inc.com> wrote:
> I personally am +1 for only pulling over committers from MR that have been
> active on YARN.  Like Arun said YARN is new code and not everything in MR
> applies directly to YARN or vise versa.
> --Bobby
> On 8/14/12 1:19 PM, "Arun C Murthy" <acm@hortonworks.com> wrote:
>>On Aug 13, 2012, at 2:01 PM, Tom White wrote:
>>> The committer list needs to be set up
>>> by editing
>>Good point, thanks for pointing it out.
>>> It should have the initial contents of the MR committer list. When we
>>>split the committer lists for Hadoop into Common, HDFS, MR we made
>>> them all start out with the Hadoop list, so we should do the same for
>>>splitting YARN out of MR.
>>For a while now, we maintain distinct committer lists for HDFS &
>>MapReduce and nominations for new committers are based on their
>>contributions to the individual sub-project.
>>Following that I would like to propose the following.
>>Given that:
>># YARN is a substantial (~100K LoC) and new body of work which has been
>>around for nearly 18 months now.
>># It is also very distinct from Hadoop MapReduce itself, as discussed in
>>this thread, and wasn't derived from any of the existing Hadoop
>>I propose we define the list as the committers who have been active and
>>have made significant contributions to the project.
>>A quick review of subversion leads me to suggest the following list (in
>>lexical order).
>>If there is anyone who has contributed significantly to YARN and is not
>>on that list, please accept my apologies in advance and let me know, I'll
>>add you in.
>>* Alejandro Abdelnur
>>* Arun C. Murthy
>>* Chris Douglas
>>* Hitesh Shah
>>* Jonathan Eagles
>>* Luke Lu
>>* Mahadev Konar
>>* Robert Evans
>>* Siddharth Seth
>>* Sharad Agarwal
>>* Thomas Graves
>>* Vinod Kumar V
>>This approach seems consistent with what we have done historically with
>>other new sub-projects such as Hive, Pig, HBase, ZooKeeper, etc. and with
>>the Apache principle of Meritocracy.
>>Also, since we're starting with folks from 6 companies we already meet
>>the Incubator criteria for diversity, which seems healthy.
>>Obviously, additional contributors will be encouraged to join the
>>sub-project via the normal mechanisms.
>>Last, not least, most people on the MapReduce committer list are already
>>part of the Hadoop PMC and hence they have svn rights if necessary - this
>>doesn't change that and we continue to trust them.

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