[jira] [Updated] (FLINK-939) Distribute required JAR files with seperate service

["Ufuk Celebi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ufuk Celebi updated FLINK-939:
------------------------------

    Component/s: New Components
                 Distributed Runtime

> Distribute required JAR files with seperate service
> ---------------------------------------------------
>
>                 Key: FLINK-939
>                 URL: https://issues.apache.org/jira/browse/FLINK-939
>             Project: Flink
>          Issue Type: Improvement
>          Components: Distributed Runtime, New Components
>            Reporter: Ufuk Celebi
>            Assignee: Daniel Warneke
>
> Currently, required user JAR files are distributed via the RPC service in {{JobGraph.writeRequiredJarFiles(DataOutput, AbstractJobVertex[])}}. The RPC service then tries to allocate a buffer on the client side heap to write the on-disk JAR, which [can lead to problems|https://github.com/apache/incubator-flink/pull/18].
> This should be replaced with a seperate service.



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