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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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Re: [DISCUSS] Spin out MR, HDFS and YARN as their own TLPs and disband Hadoop umbrella project
Arun C Murthy 2012-08-29, 17:04

On Aug 29, 2012, at 10:02 AM, Suresh Srinivas wrote:

> I am +1 for splitting up the projects. This is the step in the right
> direction. There will be challenges along the way. I am confident we can
> solve them.
>
> Robert and Alejandro have brought up good questions. Here are my thoughts:
> - For first one or two releases all the projects can coordinate and do the
> releases together. This should help simplify the immediate work needed.
> This should also help in us meeting the release timelines that we are
> working towards. As the split makes progress, this cross project
> coordination will no longer be necessary. I volunteer to RM these releases
> and do the needed co-ordination from HDFS.
+1 seems like a reasonable first step. Thanks for volunteering Suresh.

> - As regards to APIs, currently we have LimitedPrivate APIs for related
> projects. This has been used by HBase as well. We need to think about a
> timeline by when we can mark these APIs stable. They should remain
> LimitedPrivate. Any rare changes to APIs requires only co-ordination among
> the projects and no user applications (which we have not control over) is
> affected.

Agreed.

Arun