[jira] [Updated] (FLINK-7409) WebRuntimeMonitor blocks serving threads

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann updated FLINK-7409:
---------------------------------
    Priority: Minor  (was: Major)

> WebRuntimeMonitor blocks serving threads
> ----------------------------------------
>
>                 Key: FLINK-7409
>                 URL: https://issues.apache.org/jira/browse/FLINK-7409
>             Project: Flink
>          Issue Type: Improvement
>          Components: Webfrontend
>    Affects Versions: 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>            Priority: Minor
>
> The {{WebRuntimeMonitor}} contains a lot of blocking operations where it retrieves a result from the {{JobManager}} and then waits on the future to obtain the result. This is not a good design since we are blocking server threads with that. Instead I propose to follow a more reactive approach where the {{RequestHandler}} returns a {{CompletableFuture}} of {{FullHttpResonse}} which is in the completion handler written out to the channel.



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