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Hadoop, mail # general - [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project


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Mattmann, Chris A 2012-08-29, 02:33
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Alejandro Abdelnur 2012-08-29, 03:50
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Arun C Murthy 2012-08-29, 16:31
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Tom White 2012-08-29, 17:30
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Eric Baldeschwieler 2012-08-29, 17:42
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Suresh Srinivas 2012-08-29, 17:02
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Alejandro Abdelnur 2012-08-29, 17:13
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Suresh Srinivas 2012-08-29, 17:26
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Konstantin Boudnik 2012-08-29, 18:41
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Arun C Murthy 2012-08-29, 17:04
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Arun C Murthy 2012-08-29, 18:22
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Eli Collins 2012-08-29, 18:49
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Tom White 2012-08-29, 20:34
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Alejandro Abdelnur 2012-08-29, 20:40
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Todd Lipcon 2012-08-29, 21:18
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Andrew Purtell 2012-08-30, 13:46
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Sharad Agarwal 2012-08-30, 06:41
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Mattmann, Chris A 2012-08-29, 23:29
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Doug Cutting 2012-08-30, 16:17
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Todd Lipcon 2012-08-29, 23:44
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Konstantin Boudnik 2012-08-30, 02:59
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Mattmann, Chris A 2012-08-29, 23:54
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Konstantin Shvachko 2012-08-30, 10:12
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Andrew Purtell 2012-08-30, 14:11
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Aaron T. Myers 2012-08-30, 14:23
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Brock Noland 2012-08-30, 14:43
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Devaraj Das 2012-08-31, 01:28
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Andrew Purtell 2012-08-31, 06:02
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Mattmann, Chris A 2012-08-31, 06:15
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Andrew Purtell 2012-08-31, 06:42
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Mattmann, Chris A 2012-08-31, 06:50
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Todd Lipcon 2012-08-31, 16:59
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Alejandro Abdelnur 2012-08-31, 17:10
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Jagane Sundar 2012-08-31, 17:24
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Alejandro Abdelnur 2012-08-31, 17:11
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Andrew Purtell 2012-08-31, 07:55
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Robert Evans 2012-08-31, 14:34
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Mattmann, Chris A 2012-08-31, 15:09
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Doug Cutting 2012-08-31, 16:00
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Mattmann, Chris A 2012-08-31, 16:08
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Eric Baldeschwieler 2012-09-01, 00:23
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Sharad Agarwal 2012-09-01, 09:59
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Mahadev Konar 2012-08-31, 15:05
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Mattmann, Chris A 2012-08-31, 06:36
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Mattmann, Chris A 2012-08-30, 13:51
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Arun C Murthy 2012-08-30, 10:25
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Arun C Murthy 2012-08-30, 11:00
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Todd Lipcon 2012-08-30, 00:16
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Mattmann, Chris A 2012-08-30, 00:55
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Mattmann, Chris A 2012-08-29, 23:34
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Jakob Homan 2012-08-29, 21:22
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Travis Thompson 2012-08-29, 22:30
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Steve Loughran 2012-08-31, 11:54
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Mattmann, Chris A 2012-08-29, 14:14
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Robert Evans 2012-08-29, 15:17
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Mattmann, Chris A 2012-08-29, 17:22
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Eric Baldeschwieler 2012-08-29, 03:45
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Michael Segel 2012-08-29, 17:26
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Arun C Murthy 2012-08-29, 18:48
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Mattmann, Chris A 2012-08-29, 23:20
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Eli Collins 2012-08-30, 05:46
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Arun C Murthy 2012-08-30, 06:31
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Eli Collins 2012-08-30, 07:02
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Alejandro Abdelnur 2012-08-30, 07:11
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Arun C Murthy 2012-08-30, 12:29
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Todd Lipcon 2012-08-29, 23:35
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Aaron T. Myers 2012-08-29, 23:53
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Konstantin Boudnik 2012-08-29, 23:47
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Todd Lipcon 2012-08-29, 23:48
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Arun C Murthy 2012-08-30, 01:52
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Inder.dev Java 2012-08-30, 16:33
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Doug Cutting 2012-08-30, 17:00
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Owen OMalley 2012-08-30, 18:25
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Inder.dev Java 2012-08-31, 19:00
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Doug Cutting 2012-08-31, 20:44
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Eric Baldeschwieler 2012-08-31, 22:43
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Eli Collins 2012-08-29, 18:41
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Mattmann, Chris A 2012-08-29, 23:19
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Eli Collins 2012-08-30, 05:38
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Mattmann, Chris A 2012-08-30, 06:06
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Eli Collins 2012-08-30, 06:18
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Mattmann, Chris A 2012-08-30, 06:31
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Eli Collins 2012-08-30, 07:17
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Konstantin Boudnik 2012-08-29, 23:27
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Mattmann, Chris A 2012-08-29, 23:32
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Arun C Murthy 2012-08-30, 01:47
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Konstantin Boudnik 2012-08-29, 23:40
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Jun Ping Du 2012-08-29, 18:35
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Chris Douglas 2012-08-31, 01:24
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Vinod Kumar Vavilapalli 2012-08-31, 03:35
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Roman Shaposhnik 2012-08-31, 15:59
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Andrew Purtell 2012-09-01, 13:21
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Eli Collins 2012-08-31, 16:54
Copy link to this message
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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project
Robert Evans 2012-08-31, 16:58
The problem there is that YARN depends on Common, and MapReduce depends on
YARN, so we would either have a circular dependency or we would have to
split off MapRedcue too.

--Bobby

On 8/31/12 11:54 AM, "Eli Collins" <[EMAIL PROTECTED]> wrote:

>How about a proposal to just spin YARN off as a TLP?  Rationale:
>
>1. YARN started as a separate project and has a more independent
>community than Common/HDFS/MR (per below these communities do not
>divide at sub-project boundaries) that appears to want to be even more
>independent.
>
>2. YARN is technically much easier to separate from the rest of the
>code base (than separating Common and HDFS for example). Separating it
>out will also help accelerate other efforts like MR2 support for
>Apache Mesos.
>
>3. It side steps a number of thorny issues (how to handle branch-1,
>how to handle what Hadoop is wrt enforcing trademark, who to remove
>people from the Hadoop PMC, etc) that haven't been addressed in any of
>these proposals.
>
>4. It's a proof point - if you can't make the case for YARN then
>there's no way we're going to make a case for splitting the other
>projects (this thread).
>
>Ie this doesn't have to be an all-or-nothing proposition for all
>sub-projects, since the communities don't fall on sub-project
>boundaries.
>
>Thanks,
>Eli
>
>On Tue, Aug 28, 2012 at 7:33 PM, Mattmann, Chris A (388J)
><[EMAIL PROTECTED]> wrote:
>> [decided to minimize traffic and to simply put this in one thread]
>>
>> Hi Guys,
>>
>> See the recent discussion on these threads:
>>
>> YARN as its own Hadoop "sub project": http://s.apache.org/WW1
>> Maintain a single committer list for the Hadoop project:
>>http://s.apache.org/Owx
>>
>> ...and just pay attention to the Hadoop project over the last 3-4
>>years. It's operating
>> as a single project, that's masking separate communities that
>>themselves are really
>> separate ASF projects.
>>
>> At the ASF, this has been a problem area called "umbrella" projects and
>>over the years,
>> all I've seen from them is wasted bandwidth, artificial barriers and
>>the inventions of
>> new ways to perform process mongering and to reduce the fun in
>>developing software
>> at this fantastic foundation.
>>
>> I've talked about umbrella projects enough. We've diverted conversation
>>enough.
>> Enough people have tried to act like there is some technical mumbo
>>jumbo that is
>> preventing the eventual act of higher power that I myself hope comes
>>should these
>> discussions prove unfruitful through normal means.
>>
>> *these. are. separate. projects.*
>>
>>*there.are.not.blocker.issues.from.spinning.out.these.projects.as.their.o
>>wn.communities*
>>
>> In this email: http://s.apache.org/rSm
>>
>> And in the 2 subsequent follow ons in that thread, I've outlined a
>>process that I'll copy
>> through below for splitting these projects into their own TLPs:
>>
>> -----snip
>> Process:
>>
>> 0. [DISCUSS] thread for <TLP name> in which you talk about #1 and #2
>>below, potentially draft resolution too.
>>
>> 1. Decide on an initial set of *PMC* members. I urge each new TLP to
>>adopt PMC==C. See reasons I've
>> already discussed.
>>
>> 2. Decide on a chair. Try not to VOTE for this explicitly, see if can
>>be discussed and consensus
>> can be reached (just a thought experiment). VOTE if necessary.
>>
>> 3. [VOTE] thread for <TLP name>
>>
>> 4. Create Project:
>>   a. paste resolution from #0 to board@ or;
>>   b. go to general@incubator and start new Incubator project.
>>
>> 5. infrastructure set up.
>>    MLs moving; new UNIX groups; website setup;
>>    SVN setup like this:
>>
>> svn copy -m "MR TLP." https://svn.apache.org/repos/asf/hadoop/
>>https://svn.apache.org/repos/asf/<insert cool MR name>; or
>> svn copy -m "YARN TLP." https://svn.apache.org/repos/asf/hadoop/
>>https://svn.apache.org/repos/asf/<insert cool YARN name>; or
>> svn copy -m "HDFS TLP." https://svn.apache.org/repos/asf/hadoop/
>>https://svn.apache.org/repos/asf/<insert cool HDFS name>
>>
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Todd Lipcon 2012-08-31, 17:06
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Robert Evans 2012-08-31, 18:15
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Andrew Purtell 2012-09-01, 13:32
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Arun C Murthy 2012-09-03, 11:02