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From Arun C Murthy <...@hortonworks.com>
Subject Re: [VOTE] Release hadoop-2.0.0-alpha
Date Mon, 14 May 2012 16:54:08 GMT
Todd,

 Please go ahead and merge changes into branch-2.0.0-alpha and I'll roll RC1.

thanks,
Arun

On May 12, 2012, at 10:05 PM, Todd Lipcon wrote:

> Looking at the release tag vs the current state of branch-2, I have
> two concerns from the point of view of HDFS:
> 
> 1) We reverted HDFS-3157 in branch-2 because it sends deletions for
> corrupt replicas without properly going through the "corrupt block"
> path. We saw this cause data loss in TestPipelinesFailover. So, I'm
> nervous about putting it in a release, even labeled as alpha.
> 
> 2) HADOOP-8285 and HADOOP-8366 changed the wire format for the RPC
> envelope in branch-2, but didn't make it into this rc. So, that would
> mean that future alphas would not be protocol-compatible with this
> alpha. Per a discussion a few weeks ago, I think we all were in
> agreement that, if possible, we'd like all 2.x to be compatible for
> client-server communication, at least (even if we don't support
> cross-version for the intra-cluster protocols)
> 
> Do other folks think it's worth rolling an rc1? I would propose either:
> a) Revert HDFS-3157 and commit HADOOP-8285 and HADOOP-8366 on
> branch-2.0.0-alpha, so these are the only changes since rc0. Roll a
> new rc1 from here.
> or:
> b) Discard the current branch-2.0.0-alpha and re-branch from the
> current state of branch-2.
> 
> -Todd
> 
> On Fri, May 11, 2012 at 7:19 PM, Eli Collins <eli@cloudera.com> wrote:
>> +1  I installed the build on a 6 node cluster and kicked the tires,
>> didn't find any blocking issues.
>> 
>> Btw in the future better to build from the svn repo so the revision is
>> an svn rev from the release branch. Eg 1336254 instead of 40e90d3c7
>> which is from the git mirror, this way we're consistent across
>> releases.
>> 
>> hadoop-2.0.0-alpha $ ./bin/hadoop version
>> Hadoop 2.0.0-alpha
>> Subversion git://devadm900.cc1.ygridcore.net/grid/0/dev/acm/hadoop-trunk/hadoop-common-project/hadoop-common
>> -r 40e90d3c7e5d71aedcdc2d9cc55d078e78944c55
>> Compiled by hortonmu on Wed May  9 16:19:55 UTC 2012
>> From source with checksum 3d9a13a31ef3a9ab4b5cba1f982ab888
>> 
>> 
>> On Wed, May 9, 2012 at 9:58 AM, Arun C Murthy <acm@hortonworks.com> wrote:
>>> I've created a release candidate for hadoop-2.0.0-alpha that I would like to
release.
>>> 
>>> It is available at: http://people.apache.org/~acmurthy/hadoop-2.0.0-alpha-rc0/
>>> 
>>> The maven artifacts are available via repository.apache.org.
>>> 
>>> Please try the release and vote; the vote will run for the usual 7 days.
>>> 
>>> This is a big milestone for the Apache Hadoop community - congratulations and
thanks for all the contributions!
>>> 
>>> thanks,
>>> Arun
>>> 
>>> 
>>> --
>>> Arun C. Murthy
>>> Hortonworks Inc.
>>> http://hortonworks.com/
>>> 
>>> 
> 
> 
> 
> -- 
> Todd Lipcon
> Software Engineer, Cloudera

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/



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