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From Arun C Murthy <...@hortonworks.com>
Subject Re: Next releases
Date Wed, 13 Nov 2013 18:11:24 GMT

On Nov 12, 2013, at 1:54 PM, Todd Lipcon <todd@cloudera.com> wrote:

> On Mon, Nov 11, 2013 at 2:57 PM, Colin McCabe <cmccabe@alumni.cmu.edu>wrote:
> 
>> To be honest, I'm not aware of anything in 2.2.1 that shouldn't be
>> there.  However, I have only been following the HDFS and common side
>> of things so I may not have the full picture.  Arun, can you give a
>> specific example of something you'd like to "blow away"?

There are bunch of issues in YARN/MapReduce which clearly aren't *critical*, similarly in
HDFS a cursory glance showed up some *enhancements*/*improvements* in CHANGES.txt which aren't
necessary for a patch release, plus things like:

	HADOOP-9623	
Update jets3t dependency to 0.9.0







 

Having said that, the HDFS devs know their code the best.

> I agree with Colin. If we've been backporting things into a patch release
> (third version component) which don't belong, we should explicitly call out
> those patches, so we can learn from our mistakes and have a discussion
> about what belongs.

Good point.

Here is a straw man proposal:

----
A patch (third version) release should only include *blocker* bugs which are critical from
an operational, security or data-integrity issues.

This way, we can ensure that a minor series release (2.2.x or 2.3.x or 2.4.x) is always release-able,
and more importantly, deploy-able at any point in time.

----

Sandy did bring up a related point about timing of releases and the urge for everyone to cram
features/fixes into a dot release.

So, we could remedy that situation by doing a release every 4-6 weeks (2.3, 2.4 etc.) and
keep the patch releases limited to blocker bugs.

Thoughts?

thanks,
Arun





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