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From Chris Nauroth <cnaur...@hortonworks.com>
Subject Re: [VOTE] Release Apache Hadoop 2.7.0 RC0
Date Wed, 15 Apr 2015 16:05:44 GMT
+1 (binding)

- Downloaded source tarball and verified signature and checksum.
- Built from source, including native code on Linux and Windows.
- Ran a 3-node unsecured cluster.
- Tested various HDFS and YARN commands, including sample MapReduce jobs.
- Confirmed that SecondaryNameNode can take a checkpoint.
- HADOOP-9629: Tested integration with Azure storage as an alternative
- HADOOP-11394/11395/11396: Built site docs and confirmed presence of
these fixes in the documentation for Hadoop Compatible File Systems.
- HDFS-7604: Confirmed presence of DataNode volume failure reporting in
web UI and metrics.
- HDFS-7879: Ran nm -g libhdfs.so and dumpbin /exports hdfs.dll to confirm
export of public API symbols in libhdfs.

Allen mentioned HDFS-8132, which reported a problem using JCarder on the
build.  Brahma, Todd and I have determined that root cause is
incompatibility of the JCarder build with Java 7 classes.  (2.7.0 is our
first release compiling as Java 7.)  This is not a problem that needs to
hold up the release.

Vinod, thank you for putting together the release.

Chris Nauroth

On 4/15/15, 7:07 AM, "Mit Desai" <mitdesai@yahoo-inc.com.INVALID> wrote:

>+1 (non-binding)
>   - Downloaded and built the source.
>   - Deployed to a local cluster and ran sample jobls like sleepJob and
>   - Verified Signatures
>   - Verified the RM UI for correctness.
>Thanks Vinod for taking the time and effort to drive this release.
>-Mit Desai 
>     On Wednesday, April 15, 2015 8:03 AM, Vinod Kumar Vavilapalli
><vinodkv@hortonworks.com> wrote:
> Tx Pat. This is really interesting news!
>On Apr 14, 2015, at 11:18 PM, Pat White <patwhite@yahoo-inc.com.INVALID>
>> +1 non-binding
>> Ran a performance comparison of 2.6.0 Latest with 2.7.0 RC, looks good,
>>no regressions observed, most metrics are well within 5%  tolerance
>>(dfsio, sort, amrestart, gmv3) and some tests (scan, amscale,
>>compression, shuffle) appear to have improvements.
>> Disclaimer, please note a JDK difference, 2.6.0 ran with jdk1.7 while
>>2.7.0 had jdk1.8, so some of the improvement may be from Java 1.8.0,
>>that said, the 2.7.0 benchmarks compare well against current 2.6.0.
>> Thanks.
>> patw
>> ----- Forwarded Message -----  From: Vinod Kumar Vavilapalli
>> To: common-dev@hadoop.apache.org; hdfs-dev@hadoop.apache.org;
>>yarn-dev@hadoop.apache.org; mapreduce-dev@hadoop.apache.org
>> Cc: vinodkv@apache.org
>> Sent: Friday, April 10, 2015 6:44 PM
>> Subject: [VOTE] Release Apache Hadoop 2.7.0 RC0
>>  Hi all,
>> I've created a release candidate RC0 for Apache Hadoop 2.7.0.
>> The RC is available at:
>> The RC tag in git is: release-2.7.0-RC0
>> The maven artifacts are available via repository.apache.org
>> As discussed before - This release will only work with JDK 1.7 and
>>above - I¹d like to use this as a starting release for 2.7.x [1],
>>depending onhow it goes, get it stabilized and potentially use a 2.7.1
>>in a fewweeks as the stable release.
>> Please try the release and vote; the vote will run for the usual 5 days.
>> Thanks, Vinod
>> [1]: A 2.7.1 release to follow up

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