Till Rohrmann created FLINK-7409:
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Summary: 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
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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