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From Arun C Murthy <...@hortonworks.com>
Subject Re: [VOTE] Release hadoop-2.0.0-alpha
Date Tue, 15 May 2012 18:10:05 GMT
Any more HDFS related merges before I roll RC1?

On May 15, 2012, at 10:05 AM, Arun C Murthy wrote:

> Eli, is this done so I can roll rc1?
> 
> On May 14, 2012, at 1:32 PM, Eli Collins wrote:
> 
>> As soon as jira is back up and I can post an updated patch I'll merge
>> HDFS-3418 (also incompatible).
>> 
>> 
>> On Mon, May 14, 2012 at 12:16 PM, Tsz Wo Sze <szetszwo@yahoo.com> wrote:
>>> I just have merged HADOOP-8285 and HADOOP-8366.  I also have merged HDFS-3211
since it is an incompatible protocol change (without it, 2.0.0-alphaand 2.0.0 will be incompatible.)
>>> 
>>> Tsz-Wo
>>> 
>>> 
>>> 
>>> ----- Original Message -----
>>> From: Tsz Wo Sze <szetszwo@yahoo.com>
>>> To: "general@hadoop.apache.org" <general@hadoop.apache.org>
>>> Cc:
>>> Sent: Monday, May 14, 2012 11:07 AM
>>> Subject: Re: [VOTE] Release hadoop-2.0.0-alpha
>>> 
>>> Let me merge HADOOP-8285 and HADOOP-8366.  Thanks.
>>> Tsz-Wo
>>> 
>>> 
>>> 
>>> ----- Original Message -----
>>> From: Uma Maheswara Rao G <maheswara@huawei.com>
>>> To: "general@hadoop.apache.org" <general@hadoop.apache.org>
>>> Cc:
>>> Sent: Monday, May 14, 2012 10:56 AM
>>> Subject: RE: [VOTE] Release hadoop-2.0.0-alpha
>>> 
>>>> 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.
>>> I have merged HDFS-3157 revert.
>>> Do you mind taking a look at HADOOP-8285 and HADOOP-8366?
>>> 
>>> Thanks,
>>> Uma
>>> ________________________________________
>>> From: Arun C Murthy [acm@hortonworks.com]
>>> Sent: Monday, May 14, 2012 10:24 PM
>>> To: general@hadoop.apache.org
>>> Subject: Re: [VOTE] Release hadoop-2.0.0-alpha
>>> 
>>> 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/
>>> 
> 
> --
> Arun C. Murthy
> Hortonworks Inc.
> http://hortonworks.com/
> 
> 

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



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