Github user weand commented on the issue:
https://github.com/apache/zeppelin/pull/2951
I can't confirm that. LifecycleManager tried to close the interpreter group
at 13:06 (see log pasted in the Jira) - 60 minutes after the last job was
finished. The same interpreter group was started again at 13:17 - from
Interpreter Log:
```
INFO [2018-04-27 12:06:40,066] ({dag-scheduler-event-loop}
Logging.scala[logInfo]:54) - ResultStage 113 (toPandas at
<ipython-input-17-a6b974ad21d2>:23) finished in 0.038 s
INFO [2018-04-27 12:06:40,066] ({Thread-19} Logging.scala[logInfo]:54) -
Job 28 finished: toPandas at <ipython-input-17-a6b974ad21d2>:23, took 0.082673 s
INFO [2018-04-27 12:06:40,101] ({pool-2-thread-10}
SchedulerFactory.java[jobFinished]:115) - Job 20180215-131521_501880463
finished by scheduler interpreter_101669487
INFO [2018-04-27 12:09:40,123] ({spark-dynamic-executor-allocation}
Logging.scala[logInfo]:54) - Request to remove executorIds: 1, 0
INFO [2018-04-27 12:09:40,125] ({spark-dynamic-executor-allocation}
Logging.scala[logInfo]:54) - Requesting to kill executor(s) 1, 0
INFO [2018-04-27 12:09:40,128] ({spark-dynamic-executor-allocation}
Logging.scala[logInfo]:54) - Actual list of executor(s) to be killed is 1, 0
INFO [2018-04-27 12:09:40,135] ({spark-dynamic-executor-allocation}
Logging.scala[logInfo]:54) - Removing executor 1 because it has been idle for
180 seconds (new desired total will be 1)
INFO [2018-04-27 12:09:40,135] ({spark-dynamic-executor-allocation}
Logging.scala[logInfo]:54) - Removing executor 0 because it has been idle for
180 seconds (new desired total will be 0)
INFO [2018-04-27 12:09:40,547] ({dispatcher-event-loop-4}
Logging.scala[logInfo]:54) - Executor 0 on 172.16.16.63 killed by driver.
INFO [2018-04-27 12:09:40,551] ({dispatcher-event-loop-4}
Logging.scala[logInfo]:54) - Executor 1 on 172.16.16.63 killed by driver.
INFO [2018-04-27 12:09:40,552] ({dag-scheduler-event-loop}
Logging.scala[logInfo]:54) - Executor lost: 0 (epoch 56)
INFO [2018-04-27 12:09:40,553] ({dispatcher-event-loop-2}
Logging.scala[logInfo]:54) - Trying to remove executor 0 from
BlockManagerMaster.
INFO [2018-04-27 12:09:40,555] ({dispatcher-event-loop-2}
Logging.scala[logInfo]:54) - Removing block manager BlockManagerId(0,
172.16.16.63, 33086, None)
INFO [2018-04-27 12:09:40,556] ({SparkListenerBus}
Logging.scala[logInfo]:54) - Existing executor 0 has been removed (new total is
1)
INFO [2018-04-27 12:09:40,556] ({dag-scheduler-event-loop}
Logging.scala[logInfo]:54) - Removed 0 successfully in removeExecutor
INFO [2018-04-27 12:09:40,557] ({dag-scheduler-event-loop}
Logging.scala[logInfo]:54) - Executor lost: 1 (epoch 56)
INFO [2018-04-27 12:09:40,557] ({dispatcher-event-loop-6}
Logging.scala[logInfo]:54) - Trying to remove executor 1 from
BlockManagerMaster.
INFO [2018-04-27 12:09:40,557] ({dispatcher-event-loop-6}
Logging.scala[logInfo]:54) - Removing block manager BlockManagerId(1,
172.16.16.63, 34862, None)
INFO [2018-04-27 12:09:40,557] ({SparkListenerBus}
Logging.scala[logInfo]:54) - Existing executor 1 has been removed (new total is
0)
INFO [2018-04-27 12:09:40,557] ({dag-scheduler-event-loop}
Logging.scala[logInfo]:54) - Removed 1 successfully in removeExecutor
INFO [2018-04-27 12:15:25,523] ({Spark Context Cleaner}
Logging.scala[logInfo]:54) - Cleaned accumulator 1428
INFO [2018-04-27 12:15:25,531] ({Spark Context Cleaner}
Logging.scala[logInfo]:54) - Cleaned accumulator 1422
INFO [2018-04-27 12:15:25,531] ({Spark Context Cleaner}
Logging.scala[logInfo]:54) - Cleaned shuffle 30
INFO [2018-04-27 12:15:25,531] ({Spark Context Cleaner}
Logging.scala[logInfo]:54) - Cleaned accumulator 1433
INFO [2018-04-27 12:15:25,531] ({Spark Context Cleaner}
Logging.scala[logInfo]:54) - Cleaned accumulator 1431
WARN [2018-04-27 13:17:26,528] ({main} NativeCodeLoader.java[<clinit>]:62)
- Unable to load native-hadoop library for your platform... using builtin-java
classes where applicable
INFO [2018-04-27 13:17:26,619] ({main}
RemoteInterpreterServer.java[main]:260) -
URL:jar:file:/opt/zeppelin/zeppelin-0.8.1.20180426202048/lib/interpreter/zeppelin-interpreter-0.8.1-SNAPSHOT.jar!/org/apache/zeppelin/interpreter/remote/RemoteInterpreterServer.class
INFO [2018-04-27 13:17:26,654] ({main}
RemoteInterpreterServer.java[<init>]:161) - Launching ThriftServer at
172.16.16.65:46586
INFO [2018-04-27 13:17:26,657] ({main}
RemoteInterpreterServer.java[<init>]:165) - Starting remote interpreter server
on port 46586
INFO [2018-04-27 13:17:26,659] ({Thread-2}
RemoteInterpreterServer.java[run]:202) - Starting remote interpreter server on
port 46586
INFO [2018-04-27 13:17:27,665] ({Thread-3}
RemoteInterpreterUtils.java[registerInterpreter]:165) - callbackHost:
172.16.16.65, callbackPort: 39299, callbackInfo:
CallbackInfo(host:172.16.16.65, port:46586)
INFO [2018-04-27 13:17:27,772] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.SparkInterpreter
INFO [2018-04-27 13:17:27,775] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.SparkSqlInterpreter
INFO [2018-04-27 13:17:27,777] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.DepInterpreter
INFO [2018-04-27 13:17:27,788] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.PySparkInterpreter
INFO [2018-04-27 13:17:27,792] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.IPySparkInterpreter
INFO [2018-04-27 13:17:27,794] ({pool-1-thread-1}
RemoteInterpreterServer.java[createInterpreter]:310) - Instantiate interpreter
org.apache.zeppelin.spark.SparkRInterpreter
INFO [2018-04-27 13:17:27,849] ({pool-2-thread-5}
SchedulerFactory.java[jobStarted]:109) - Job 20180213-114056_1717909171 started
by scheduler interpreter_2006847219
```
---
