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From Eric Yang <ey...@yahoo-inc.com>
Subject Re: Massive checkin to hadoop-0.20-security-patches
Date Tue, 08 Mar 2011 01:00:27 GMT
Is there any plan to put back v1 of the metrics system?  This has been removed out from branch-0.20-security.
 Downstream projects are depending on v1 of metrics system are unable to integrate with Hadoop
0.20-security branch.  The affected projects includes HBase and Chukwa.  It would be nice
if this api compatibility can be maintained in 0.20.x series.  Thanks


On 3/7/11 4:26 PM, "Owen O'Malley" <omalley@apache.org> wrote:

On Mar 4, 2011, at 9:08 AM, Rottinghuis, Joep wrote:

As far as I know, the pushes are done. The branching picture looks
roughly like:

                                              \                     \

The general model is that the 0.20-security branch is the main branch
and the 202, 203, ... are release branches that only get bug fixes on
them. The model would be every couple of months we'll make a new
release branch. So in a couple of months, we'll make a 204 branch from

The mega-patch that Arun pushed was off of the 0.20-security-202
branch. Note that the branch-0.20-security-patches was a temporary
branch for me to push the individual commits to. It has been renamed
to replace the mega-patch version that Arun pushed. I'll roll a 203
release candidate tomorrow.

> To clarify my understanding:
> 1) Is the tip of the branch-0.20-security supposed to be equal the
> tip of branch-0.20-security-203? In other words, both branches
> should differ only in history how they got there, but their content
> at the end should be identical? They are close, but not the quite
> the same. About 44 files are different between the two.

As I wrote above, Arun's mega-patch was a release off of the 202
branch. 203 and the main branch would be further along. Arun missed a
few files off of 202, but other than that the source code is the same.

Does that make sense?

-- Owen

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