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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-12214) Add JobListener to capture job submission process
Date Tue, 16 Apr 2019 17:34:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-12214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819318#comment-16819318
] 

Till Rohrmann commented on FLINK-12214:
---------------------------------------

I think what you need is a better programmatic job control which offers a {{JobClient}} and
{{ClusterClient}} to trigger these actions. FLINK-4272 is the issue coming closest to these
requirements. Before implementing some temporary workarounds, I think we should properly design
it. The consensus on the dev mailing concerning this problem was to create a FLIP because
it strongly affects the whole client side.

> Add JobListener to capture job submission process
> -------------------------------------------------
>
>                 Key: FLINK-12214
>                 URL: https://issues.apache.org/jira/browse/FLINK-12214
>             Project: Flink
>          Issue Type: New Feature
>          Components: Runtime / Coordination
>            Reporter: Jeff Zhang
>            Assignee: Jeff Zhang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2019-04-17-00-11-00-020.png, image-2019-04-17-00-13-15-999.png,
image-2019-04-17-00-15-16-750.png
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Third party library would like to add some hook when submitting jobs. So it would be
nice to have JobListener for flink.
> More details about the motivation:
> The background is that I am working on integrating flink with apache zeppelin notebook.
In apache zeppelin notebook, we allow user to run flink scala code or sql. For each piece
fo code, I'd like to associate it with its corresponding flink job. So that user can link
to flink job ui in zeppelin notebook, also he can cancel this job. Here's one screenshot of
my POC, in this screenshot you can see the FLINK JOB link which will link to the flink job
ui. That's why I'd like to add hook in flink's job submission, so that I can link each piece
of flink code to paragraph (the following screenshot) which is a concept of zeppelin and is
a container that host this piece of code. 
> Here's the sample code for reference about how I use JobListener in zeppelin.
> [https://github.com/zjffdu/zeppelin/blob/blink_poc/flink/src/main/scala/org/apache/zeppelin/flink/FlinkScalaInterpreter.scala#L251]
> !image-2019-04-17-00-15-16-750.png!
>  



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