> On May 14, 2016, at 3:11 PM, Chris Nauroth <[email protected]> wrote:
>
> +1 (binding)
>
> -Tried a dry-run merge of HADOOP-12930 to trunk.
> -Successfully built distro on Windows.
> -Ran "hdfs namenode", "hdfs datanode", and various interactive hdfs
> commands through Cygwin.
> -Reviewed documentation.
>
> Allen, thank you for the contribution. Would you please attach a full
> patch to HADOOP-12930 to check pre-commit results?
Nope. The whole reason this was done as a branch with multiple patches
was to prevent Jenkins from getting overwhelmed since it would trigger full
unit tests on pretty much the entire code base….
> While testing this, I discovered a bug in the distro build for Windows.
> Could someone please code review my patch on HADOOP-13149?
Done!
>
> --Chris Nauroth
>
>
>
>
> On 5/9/16, 1:26 PM, "Allen Wittenauer" <[email protected]> wrote:
>
>>
>> Hey gang!
>>
>> I¹d like to call a vote to run for 7 days (ending May 16 at 13:30 PT) to
>> merge the HADOOP-12930 feature branch into trunk. This branch was
>> developed exclusively by me as per the discussion two months ago as a way
>> to make what would be a rather large patch hopefully easier to review.
>> The vast majority of the branch is code movement in the same file,
>> additional license headers, maven assembly hooks for distribution, and
>> variable renames. Not a whole lot of new code, but a big diff file
>> none-the-less.
>>
>> This branch modifies the Œhadoop¹, Œhdfs¹, Œmapred¹, and Œyarn¹ commands
>> to allow for subcommands to be added or modified at runtime. This allows
>> for individual users or entire sites to tweak the execution environment
>> to suit their local needs. For example, it has been a practice for some
>> locations to change the distcp jar out for a custom one. Using this
>> functionality, it is possible that the Œhadoop distcp¹ command could run
>> the local version without overwriting the bundled jar and for existing
>> documentation (read: results from Internet searches) to work as written
>> without modification. This has the potential to be a huge win, especially
>> for:
>>
>> * advanced end users looking to supplement the Apache Hadoop
>> experience
>> * operations teams that may be able to leverage existing
>> documentation
>> without having to remain local ³exception² docs
>> * development groups wanting an easy way to trial experimental
>> features
>>
>> Additionally, this branch includes the following, related changes:
>>
>> * Adds the first unit tests for the Œhadoop¹ command
>> * Adds the infrastructure for hdfs script testing and the first
>> unit
>> test for the Œhdfs¹ command
>> * Modifies the hadoop-tools components to be dynamic rather
>> than hard
>> coded
>> * Renames the shell profiles for hdfs, mapred, and yarn to be
>> consistent with other bundled profiles, including the ones introduced in
>> this branch
>>
>> Documentation, including a Œhello world¹-style example, is in the
>> UnixShellGuide markdown file. (Of course!)
>>
>> I am at ApacheCon this week if anyone wants to discuss in-depth.
>>
>> Thanks!
>>
>> P.S.,
>>
>> There are still two open sub-tasks. These are blocked by other issues
>> so that we may add unit testing to the shell code in those respective
>> areas. I¹ll covert to full issues after HADOOP-12930 is closed.
>>
>>
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