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https://issues.apache.org/jira/browse/FLINK-4913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15608061#comment-15608061
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ASF GitHub Bot commented on FLINK-4913:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2692
Looks very good to me, +1
One thing to double check: The `PackagedProgram` refers to one user code
jar. That jar can have nested jars in an internal `lib` folder, which get
automatically extracted. Will that also be handled properly?
> Per-job Yarn clusters: include user jar in system class loader
> ---------------------------------------------------------------
>
> Key: FLINK-4913
> URL: https://issues.apache.org/jira/browse/FLINK-4913
> Project: Flink
> Issue Type: Improvement
> Components: Client, YARN Client
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Fix For: 1.2.0, 1.1.4
>
>
> Including the jar directly in the system classloader avoids loading it for
> every instantiation of the ExecutionGraph and every Task execution. Note,
> this is only possible for per-job clusters (i.e. Yarn/Mesos).
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