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Posted to dev@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2018/03/15 17:59:00 UTC

[jira] [Created] (HIVE-18966) LLAP should not shut down when some random thread goes down

Sergey Shelukhin created HIVE-18966:
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             Summary: LLAP should not shut down when some random thread goes down
                 Key: HIVE-18966
                 URL: https://issues.apache.org/jira/browse/HIVE-18966
             Project: Hive
          Issue Type: Bug
            Reporter: Sergey Shelukhin


LlapDaemonUncaughtExceptionHandler shuts down LLAP on any thread failure.
Not sure it's the best idea... 3rd party libraries like permitted UDFs or Storage Handlers (e.g. Druid recently) can have errors that should not bring the entire daemon down.
Perhaps we can go by thread name pattern?
Overall logging the error, unless it's an OOM or other Error, might be better.

We can also add error handling to important threads like schedulers, if it's missing.



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