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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7040) Flip-6 client-cluster communication
Date Wed, 23 Aug 2017 12:24:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16138281#comment-16138281
] 

ASF GitHub Bot commented on FLINK-7040:
---------------------------------------

Github user zentol commented on the issue:

    https://github.com/apache/flink/pull/4569
  
    @tillrohrmann I've address the remaining comments.


> Flip-6 client-cluster communication
> -----------------------------------
>
>                 Key: FLINK-7040
>                 URL: https://issues.apache.org/jira/browse/FLINK-7040
>             Project: Flink
>          Issue Type: New Feature
>          Components: Cluster Management, Mesos
>            Reporter: Till Rohrmann
>            Assignee: Chesnay Schepler
>            Priority: Critical
>              Labels: flip-6
>
> With the new Flip-6 architecture, the client will communicate with the cluster in a RESTful
manner.
> The cluster shall support the following REST calls:
> * List jobs (GET): Get list of all running jobs on the cluster
> * Submit job (POST): Submit a job to the cluster (only supported in session mode)
> * Lookup job leader (GET): Gets the JM leader for the given job
> * Get job status (GET): Get the status of an executed job (and maybe the JobExecutionResult)
> * Cancel job (PUT): Cancel the given job
> * Stop job (PUT): Stops the given job
> * Take savepoint (POST): Take savepoint for given job (How to return the savepoint under
which the savepoint was stored? Maybe always having to specify a path)
> * Get KV state (GET): Gets the KV state for the given job and key (Queryable state)
> * Poll/subscribe to notifications for job (GET, WebSocket): Polls new notifications from
the execution of the given job/Opens WebSocket to receive notifications
> The first four REST calls will be served by the REST endpoint running in the application
master/cluster entrypoint. The other calls will be served by a REST endpoint running along
side to the JobManager.
> Detailed information about different implementations and their pros and cons can be found
in this document:
> https://docs.google.com/document/d/1eIX6FS9stwraRdSUgRSuLXC1sL7NAmxtuqIXe_jSi-k/edit?usp=sharing
> The implementation will most likely be Netty based.



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