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From Vinod Vavilapalli <vino...@hortonworks.com>
Subject Re: [VOTE] Release Apache Hadoop 2.6.1 RC0
Date Thu, 17 Sep 2015 01:24:41 GMT
Thanks for the verification Nick!

Regarding that one issue, we saw this before itself in 2.7 and deemed it to be a compatible
change given the expected usage of the API. The error in your report is “a client class
C is not abstract and does not override abstract method in ApplicationBaseProtocol.”, but
we do not expect clients to extend this communication protocol, only bind to it as a calling

Your report was useful in general otherwise though as I forgot to run jdiff again! With this,
things are looking good on the latest RC that I am going to push out now.


On Sep 16, 2015, at 12:05 PM, Nick Dimiduk <ndimiduk@apache.org<mailto:ndimiduk@apache.org>>

Hi folks,

I ran a modified version [0] of the compatibility checking tool we use in HBase over this
release. There's one source-related issue [1] in YARN API that may need to be addressed in
the next candidate. Otherwise, it's looking pretty clean for a patch release. Nice job!

[0]: http://people.apache.org/~ndimiduk/check_compat_hadoop.patch
[1]: http://people.apache.org/~ndimiduk/release-2.6.0_release-2.6.1-RC0_compat_report.html

On Mon, Sep 14, 2015 at 11:28 AM, Vinod Kumar Vavilapalli <vinodkv@hortonworks.com<mailto:vinodkv@hortonworks.com>>
One more popped in from  Jeff Zhang from Apache Tez: YARN-4154.

Looking at that too for RC1.


> On Sep 11, 2015, at 11:37 AM, Vinod Kumar Vavilapalli <vinodkv@hortonworks.com<mailto:vinodkv@hortonworks.com>>
> Thanks Sangjin and Akira for finding the bug and the fix!
> This fix is needed because YARN-1809 was pulled in. I further found 3 more related fixes
that need to be pulled in because of YARN-1809: YARN-1884 and YARN-3544 (UI fixes), YARN-3740
(to avoid incompat).
> This VOTE thread is closed now, I’ll spin a new RC with those patches.
> Thanks
> +Vinod
>> On Sep 11, 2015, at 2:40 AM, Akira AJISAKA <ajisakaa@oss.nttdata.co.jp<mailto:ajisakaa@oss.nttdata.co.jp>>
>> I could reproduce the issue, and I found YARN-3171 will fix it.
>> Hi Vinod, would you include YARN-3171?
>> I applied the patch to branch-2.6.1 locally and confirmed the issue was fixed.
>> Regards,
>> Akira
>> On 9/11/15 09:16, Sangjin Lee wrote:
>>> I verified the signatures for both source and the binary tarballs. I
>>> started up a pseudo-distributed cluster, and tested simple apps such as
>>> sleep and terasort.
>>> I do see one issue with the RM UI where the sorting by id is broken. The
>>> table is not rendered in the expected id-descending order, and when I click
>>> the sort control, nothing happens. Sorting by other columns works fine.
>>> Is anyone else able to reproduce the issue? I checked 2.6.0, and it works
>>> fine on 2.6.0.
>>> On Wed, Sep 9, 2015 at 6:00 PM, Vinod Kumar Vavilapalli <vinodkv@apache.org<mailto:vinodkv@apache.org>>
>>> wrote:
>>>> Hi all,
>>>> After a nearly month long [1] toil, with loads of help from Sangjin Lee
>>>> and Akira Ajisaka, and 153 commits later, I've created a release candidate
>>>> RC0 for hadoop-2.6.1.
>>>> The RC is available at:
>>>> http://people.apache.org/~vinodkv/hadoop-2.6.1-RC0/
>>>> The RC tag in git is: release-2.6.1-RC0
>>>> The maven artifacts are available via repository.apache.org<http://repository.apache.org/>
>>>> https://repository.apache.org/content/repositories/orgapachehadoop-1020
>>>> Some notes from our release process
>>>> -  - Sangjin and I moved out a bunch of items pending from 2.6.1 [2] -
>>>> non-committed but desired patches. 2.6.1 is already big as is and is late
>>>> by any standard, we can definitely include them in the next release.
>>>> - The 2.6.1 wiki page [3] captures some (but not all) of the context of
>>>> the patches that we pushed in.
>>>> - Given the number of fixes pushed [4] in, we had to make a bunch of
>>>> changes to our original plan - we added a few improvements that helped us
>>>> backport patches easier (or in many cases made backports possible), and we
>>>> dropped a few that didn't make sense (HDFS-7831, HDFS-7926, HDFS-7676,
>>>> HDFS-7611, HDFS-7843, HDFS-8850).
>>>> - I ran all the unit tests which (surprisingly?) passed. (Except for one,
>>>> which pointed out a missing fix HDFS-7552).
>>>> As discussed before [5]
>>>> - This release is the first point release after 2.6.0
>>>> - I’d like to use this as a starting release for 2.6.2 in a few weeks
>>>> and then follow up with more of these.
>>>> Please try the release and vote; the vote will run for the usual 5 days.
>>>> Thanks,
>>>> Vinod
>>>> [1] Hadoop 2.6.1 Release process thread:
>>>> http://markmail.org/thread/wkbgkxkhntx5tlux
>>>> [2] 2.6.1 Pending tickets:
>>>> https://issues.apache.org/jira/issues/?filter=12331711
>>>> [3] 2.6.1 Wiki page:
>>>> https://wiki.apache.org/hadoop/Release-2.6.1-Working-Notes
>>>> [4] List of 2.6.1 patches pushed:
>>>> https://issues.apache.org/jira/issues/?jql=fixVersion%20%3D%202.6.1%20and%20labels%20%3D%20%222.6.1-candidate%22
>>>> [5] Planning Hadoop 2.6.1 release:
>>>> http://markmail.org/thread/sbykjn5xgnksh6wg
>>>> PS:
>>>> - Note that branch-2.6 which will be the base for 2.6.2 doesn't have
>>>> these fixes yet. Once 2.6.1 goes through, I plan to rebase branch-2.6 based
>>>> off 2.6.1.
>>>> - Patches that got into 2.6.1 all the way from 2.8 are NOT in 2.7.2 yet,
>>>> this will be done as a followup.

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