Try to look for logs like following in zeppelin server log file. Make sure you are using TimeoutLifecycleManager instead of NullLifecycleManager
INFO [2018-04-04 18:12:26,209] ({main}
InterpreterSettingManager.java[<init>]:170) - Using LifecycleManager:
org.apache.zeppelin.interpreter.lifecycle.NullLifecycleManager
Paul Brenner <pbren...@placeiq.com>于2018年4月5日周四 下午10:32写道：
> We finally got our team up and running on a version of Zeppelin 0.8 built
> from source. However, we can’t seem to get TimeoutLifecycleManager
> manager to kill idle interpreters. When I look at the config page I see:
>
> zeppelin.interpreter.lifecyclemanager.class
> org.apache.zeppelin.interpreter.lifecycle.TimeoutLifecycleManager
> zeppelin.interpreter.lifecyclemanager.timeout.checkinterval
> 60000
> zeppelin.interpreter.lifecyclemanager.timeout.threshold
> 3600000
>
> So it seems like everything should be configured correctly. However, if we
> leave interpreters idling overnight they are still there idling the next
> morning.
>
> Is there any way to diagnose what is going wrong? Can anyone confirm that
> they have had success with TimeoutLifecycleManager? Should there
> be anything in any of the log files?
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