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Nikolay Izhikov commented on IGNITE-3084:
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3.
> What is the purpose of implementing onApplicationEnd? When exactly is it
> invoked? If it's needed, should it be on IgniteContext level instead?
I want to properly stop client node on an application end.
Client nodes from spark worker are stopped when executor process exits.
Please, see https://spark.apache.org/docs/latest/cluster-overview.html
> Spark Data Frames Support in Apache Ignite
> ------------------------------------------
>
> Key: IGNITE-3084
> URL: https://issues.apache.org/jira/browse/IGNITE-3084
> Project: Ignite
> Issue Type: Task
> Components: spark
> Affects Versions: 1.5.0.final
> Reporter: Vladimir Ozerov
> Assignee: Nikolay Izhikov
> Priority: Critical
> Labels: bigdata, important
> Fix For: 2.4
>
>
> Apache Spark already benefits from integration with Apache Ignite. The latter
> provides shared RDDs, an implementation of Spark RDD, that help Spark to
> share a state between Spark workers and execute SQL queries much faster. The
> next logical step is to enable support for modern Spark Data Frames API in a
> similar way.
> As a contributor, you will be fully in charge of the integration of Spark
> Data Frame API and Apache Ignite.
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