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Hadoop >> mail # general >> [VOTE] Release hadoop-2.0.0-alpha


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Re: [VOTE] Release hadoop-2.0.0-alpha
On Tue, May 15, 2012 at 11:10 AM, Arun C Murthy <[EMAIL PROTECTED]> wrote:
> Any more HDFS related merges before I roll RC1?

I'm good as is. Thanks!

>
> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]>
>>>> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>>>> 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 <[EMAIL PROTECTED]>
>>>> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>>>> 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 [[EMAIL PROTECTED]]
>>>> Sent: Monday, May 14, 2012 10:24 PM
>>>> To: [EMAIL PROTECTED]
>>>> 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 <[EMAIL PROTECTED]> 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

Todd Lipcon
Software Engineer, Cloudera