[jira] [Created] (SPARK-6980) Akka timeout exceptions indicate which conf controls them

["Imran Rashid (JIRA)" <ji...@apache.org>]

Imran Rashid created SPARK-6980:
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             Summary: Akka timeout exceptions indicate which conf controls them
                 Key: SPARK-6980
                 URL: https://issues.apache.org/jira/browse/SPARK-6980
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
            Reporter: Imran Rashid
            Priority: Minor


If you hit one of the akka timeouts, you just get an exception like

{code}
java.util.concurrent.TimeoutException: Futures timed out after [30 seconds]
{code}

The exception doesn't indicate how to change the timeout, though there is usually (always?) a corresponding setting in {{SparkConf}} .  It would be nice if the exception including the relevant setting.

I think this should be pretty easy to do -- we just need to create something like a {{NamedTimeout}}.  It would have its own {{await}} method, catches the akka timeout and throws its own exception.



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