[jira] [Created] (FLINK-16867) Simplify default timeout configuration

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

Till Rohrmann created FLINK-16867:
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             Summary: Simplify default timeout configuration
                 Key: FLINK-16867
                 URL: https://issues.apache.org/jira/browse/FLINK-16867
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Configuration, Runtime / Coordination
    Affects Versions: 1.10.0, 1.9.2, 1.11.0
            Reporter: Till Rohrmann
             Fix For: 1.11.0


At the moment, Flink has several timeout options:

* {{akka.ask.timeout}}: Timeout for intra cluster RPCs (JM <-> RM <-> TE)
* {{web.timeout}}: Timeout for RPCs between REST handlers and RM, JM, TE

At the moment, these values are separately configured. This requires the user to know about both configuration options and that Flink has multiple timeout values. 

In order to simplify setups I would suggest that {{web.timeout}} defaults to {{akka.ask.timeout}}, if {{web.timeout}} has been explicitly configured. This has the benefits that the user only need to know about a single timeout value which is applied cluster wide.



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