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From Yana Kadiyska <yana.kadiy...@gmail.com>
Subject [SQL] HiveThriftServer2 failure detection
Date Wed, 19 Nov 2014 17:19:19 GMT
Hi all, I am running HiveThriftServer2 and noticed that the process stays
up even though there is no driver connected to the Spark master.

I started the server via sbin/start-thriftserver and my namenodes are
currently not operational. I can see from the log that there was an error
on startup:

14/11/19 16:32:58 ERROR HiveThriftServer2: Error starting HiveThriftServer2

and that the driver shut down as expected:

14/11/19 16:32:59 INFO SparkUI: Stopped Spark web UI at http://myip:4040
14/11/19 16:32:59 INFO DAGScheduler: Stopping DAGScheduler
14/11/19 16:32:59 INFO SparkDeploySchedulerBackend: Shutting down all executors
14/11/19 16:32:59 INFO SparkDeploySchedulerBackend: Asking each
executor to shut down
14/11/19 16:33:00 INFO MapOutputTrackerMasterActor:
MapOutputTrackerActor stopped!
14/11/19 16:33:00 INFO MemoryStore: MemoryStore cleared
14/11/19 16:33:00 INFO BlockManager: BlockManager stopped
14/11/19 16:33:00 INFO BlockManagerMaster: BlockManagerMaster stopped
14/11/19 16:33:00 INFO SparkContext: Successfully stopped SparkContext

​
However, when I try to run start-thriftserver.sh again I see an error
message that the process is already running and indeed there is a process
with that PID:

root     32334     1  0 16:32 ?        00:00:00 /usr/local/bin/java
org.apache.spark.deploy.SparkSubmitDriverBootstrapper --class
org.apache.spark.sql.hive.thriftserver.HiveThriftServer2 --master
spark://myip:7077 --conf -spark.executor.extraJavaOptions=-verbose:gc
-XX:-PrintGCDetails -XX:+PrintGCTimeStamps spark-internal --hiveconf
hive.root.logger=INFO,console

​
 Is this a bug or design decision -- I am upgrading from Shark and we had
scripts that monitor the driver and restart on failure. Here it seems that
we would not be able to restart even though the driver died?

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