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From Harsh J <ha...@cloudera.com>
Subject Re: a newbie question
Date Thu, 02 Feb 2012 04:31:47 GMT


On Thu, Feb 2, 2012 at 3:06 AM, Peter S <htims.rm.p@gmail.com> wrote:
> I realize the version numbers are actually different branches, e.g.
> branch-0.21, branch-0.22, branch-0.23, and trunk. I am wondering which
> branch should I use and develop on? Which one is most stable?

All new work is to go to trunk (presently numbered as 0.24).

The page at http://wiki.apache.org/hadoop/HowToContribute goes over
setting up the trunk development workspace and should help you get

What do you mean by "most stable"? Do you ask in terms of build stability?

> Does trunk include all patches in other branches such as branch-0.21?

Yes, the branches are progressive.

> For hadoop common repo, which version should I use for a particular hdfs
> version?

Don't quite get this question.

> Also, I realize the git repo is not updated on time when code is committed
> to the svn repo. Should I use the git repo for dev or build a local git
> repo on top of svn repo instead?

Using a slightly-lagged git mirror or the subversion repository is
your choice -- I prefer to use the former while working. The only part
to remember about using git is to use the --no-prefix operator in
git-diff command while generating patches for contribution via the

Harsh J
Customer Ops. Engineer
Cloudera | http://tiny.cloudera.com/about

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