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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1161) need improved release process
Date Tue, 27 Mar 2007 08:30:32 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484347
] 

Tom White commented on HADOOP-1161:
-----------------------------------

+1

Can we take "code freeze" to mean "code freeze in a particular branch"? So in Arun's example,
point 2 would be: create a 0.15 branch. Then new features can go into trunk while the release
candidates are built and evaluated.

I agree with Owen' about having (bug fix) patches for particular branches, with a separate
patch for trunk if necessary. Committers would then commit to the branch and to trunk at the
same time. New features would just be applied to trunk.

I notice the Nutch developers are running a 72 hour vote on 0.9 now. So I wonder if there
are branching strategies we can learn from other Lucene subprojects (or other Apache projects)?

> need improved release process
> -----------------------------
>
>                 Key: HADOOP-1161
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1161
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: build
>            Reporter: Doug Cutting
>             Fix For: 0.13.0
>
>
> Hadoop's release process needs improvement.  We should better ensure that releases are
stable, not releasing versions that have not been proven stable on large clusters, and we
should better observe Apache's release procedures.  Once agreed on, this process should be
documented in http://wiki.apache.org/lucene-hadoop/HowToRelease.
> Here's a proposal:
> . candidate release builds should be placed in lucene.apache.org/hadoop/dev/dist
> . candidate artifacts should be accompanied by a md5 and pgp signatures
> . a 72-hour vote for the release artifact should be called on hadoop-dev.
> . 3 binding +1 votes and a majority are required
> . if the vote passes, the release can then posted to www.apache.org/dist/lucene/hadoop
for mirroring
> This would bring us into accord with Apache's requirements, and better permit large-cluster
validation.
> We should also build consensus for a release before we commence this process.  Perhaps
we should aim for releases every two months instead of every month.  We should perhaps develop
more elaborate branching and merging conventions around releases.  Currently we mostly lock-out
changes intended for release X+1 from trunk until release X is complete, which can be awkward.
 How can we better manage that?

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