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https://issues.apache.org/jira/browse/HADOOP-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12484647
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Owen O'Malley commented on HADOOP-1161:
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> I do not like the idea of applying the same patch more than one place (i.e
> trunk and a branch etc.) -
> merging handles this nicely, provided we maintain a bit of discipline.
Merging is fine, but it means you have to commit in one place and then start
the next. If there is a conflict, it would be nice to know before you commit it.
In my experience, it works much better to merge changes from the stable branch
up into the head. The problem with merging down is that you can have accidental
leakage of new features into the stable branch.
> 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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