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https://issues.apache.org/jira/browse/BAHIR-135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173822#comment-16173822
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Christian Kadner commented on BAHIR-135:
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[~erenavsarogullari] - First off, thank you for your proposal! I have a few 
questions for you.

1. How does your proposed connector differ from this [Spark Connector for 
Hazelcast|https://github.com/hazelcast/hazelcast-spark] which is already 
available as 
{{[hazelcast-spark|https://mvnrepository.com/artifact/com.hazelcast/hazelcast-spark]}}
 from Maven? {{DataSource}} vs {{DStream}}?

2. Follow up on (1) -- would it make sense to contribute your code to that 
existing connector, since that appears to be officially supported by 
[hazelcast.org|https://hazelcast.org/plugins/?type=big-data]?

3. If you think your Streaming extension should exist in a separate connector I 
suggest you create a PR in Bahir as WIP and solicit some feedback/review from 
some of the Hazelcast community members that may be interested in using 
Hazelcast with Spark (you may find people on Spark or Hazelcast mailing lists, 
forums, Stackoverflow threads, ...)

> Add Spark Streaming Hazelcast Extension
> ---------------------------------------
>
>                 Key: BAHIR-135
>                 URL: https://issues.apache.org/jira/browse/BAHIR-135
>             Project: Bahir
>          Issue Type: New Feature
>          Components: Spark Streaming Connectors
>            Reporter: Eren Avsarogullari
>
> I would like to propose Spark Streaming Hazelcast extension. 
> Hazelcast is an in-memory data grid(IMDG) solution under Apache 2 License and 
> provides distributed data structures such as distributed map, list, set, 
> queue (etc). When a new entry is _added_, _updated_, _removed_ or _evicted_, 
> a new event is fired by Hazelcast. This flow is almost same for above all 
> distributed data structures. This extension aims to subscribe these 
> distributed events via Hazelcast Event Listeners and create a DStream in the 
> light of distributed data structure changes. This extension supports 
> Distributed Map, List, Set, Queue, Topic, MultiMap and Replicated Map.
> Please find the following documentation for further details.
> *Proposal:* 
> [https://docs.google.com/document/d/1YN_9u72Wv699g8ivM3c8K_zZUbUl73JtquWy-g71Tm4/edit?usp=sharing]
> Also repo is ready for review. It covers implementation, full unit test 
> coverage and examples as well.
> *Repo:* [https://github.com/erenavsarogullari/bahir/tree/Hazelcast_Streaming]
> This extension can be useful for both Spark and Hazelcast communities to 
> listen these Hazelcast events & analyze them and transform the events 
> payloads via Spark.
> Please let me know if you need further details and all feedbacks are welcome 
> in advance.



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