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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: 3.0 and the Cassandra release process
Date Mon, 13 Apr 2015 22:28:30 GMT
On Tue, Mar 17, 2015 at 4:06 PM, Jonathan Ellis <jbellis@gmail.com> wrote:

>
> I’m optimistic that as we improve our process this way, our even releases
> will become increasingly stable.  If so, we can skip sub-minor releases
> (3.2.x) entirely, and focus on keeping the release train moving.  In the
> meantime, we will continue delivering 2.1.x stability releases.
>

The weak point of this plan is the transition from the "big release"
development methodology culminating in 3.0, to the monthly tick-tock
releases.  Since 3.0 needs to go through a beta/release candidate phase,
during which we're going to be serious about not adding new features, that
means that 3.1 will come with multiple months worth of features, so right
off the bat we're starting from a disadvantage from a stability standpoint.

Recognizing that it will take several months for the tick-tock releases to
stabilize, I would like to ship 3.0.x stability releases concurrently with
3.y tick-tock releases.  This should stabilize 3.0.x faster than tick-tock,
while at the same time hedging our bets such that if we assess tick-tock in
six months and decide it's not delivering on its goals, we're not six
months behind in having a usable set of features that we shipped in 3.0.

So, to summarize:

- New features will *only* go into tick-tock releases.
- Bug fixes will go into tick-tock releases and a 3.0.x branch, which will
be maintained for at least a year

-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced

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