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From Sean Busbey <>
Subject Re: Contribute Examples/Exercises
Date Tue, 11 Nov 2014 17:18:41 GMT
I think these would be an excellent addition, given the improvements David
suggested. Since they span a range of Accumulo uses, they are probably best
served as a contrib repository[1] rather than an Accumulo version-specific

In any case this will involve adopting a non-trivial code base developed
outside of the project; we'll need to go through the ASF Incubator[2].
Before that can happen we'll need to call a vote[3].


On Tue, Nov 11, 2014 at 10:38 AM, Josh Elser <> wrote:

> I've given a quick glance over them -- they look like they'd be a great
> addition!
> We'd have to figure out some mechanism to distribute the exercises (as we
> can't compile them), but that's a manageable problem.
> If you want to open an issue on JIRA, that'd be the first step to get
> these into the codebase. Some things to think about meanwhile:
> * Check out the coding practices and code formatting guidelines -
> * Add ASL headers to the files
> * Figure out where might be a good place to include these in the Accumulo
> tree  - maybe examples/training?
> * Consider what documentation would be needed for someone to self-guide
> themselves through these examples
> * Look into redistribution rights on the included twitter.json file. I'm
> not sure what Twitter's terms of service are. It may be easier to write a
> script that will generate some example tweets. It keeps us from being
> liable for what those tweets contain and also prevents us from having to
> distribute a big blob.
> Thanks again!
> David Medinets wrote:
>> Can you add descriptions of the exercises to the README file? Many
>> people finding that page would move to the next one with details to
>> catch their interest.
>> On Tue, Nov 11, 2014 at 9:49 AM, Chris Rigano<>
>> wrote:
>>> I believe they would be of benefit.
>>> On Mon, Nov 10, 2014 at 12:43 PM, Adam J. Shook<>
>>> wrote:
>>>  I had just finished finalizing the training materials for a basic and
>>>> advanced Accumulo class my company ClearEdge IT offers.  I think some of
>>>> the more advanced code tutorials would be valuable to contribute to the
>>>> Accumulo examples library.
>>>> The examples all work with status updates from Twitter and include
>>>> topics
>>>> such as:
>>>>     - Basic Reading/Writing
>>>>     - Indexing tweets and creating a program to retrieve tweets based on
>>>>     given search terms
>>>>     - Bulk ingestion of the tweets
>>>>     - Using MapReduce to building a geo-index table for the tweets with
>>>>     latitude/longitude information via z-points
>>>>     - Levering the geo-index to retrieve tweets from a given lat/long
>>>>     bounding box
>>>>     - Custom iterators such as filters and combiners
>>>> If this is something the community would be interested in, please take
>>>> the
>>>> time to review them at
>>>> and
>>>> let me know if there are any you think would be worth contributing.
>>>> I'd be
>>>> happy to take the time to massage them to meet the standards.
>>>> Cheers,
>>>> --Adam


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