About jzhang

jzhang · ‎03-07-2017

Output of klist 4 03/07/17 03:25:16 hive/sandbox.hortonworks.com@EXAMPLE.COM 4 03/07/17 03:25:16 hive/sandbox.hortonworks.com@EXAMPLE.COM 4 03/07/17 03:25:16 hive/sandbox.hortonworks.com@EXAMPLE.COM 4 03/07/17 03:25:16 hive/sandbox.hortonworks.com@EXAMPLE.COM 4 03/07/17 03:25:16 hive/sandbox.hortonworks.com@EXAMPLE.COM Output of hostname -f sandbox.hortonworks.com

jzhang · ‎03-06-2017

Any update on this ? This issue is a pretty bad experience.

jzhang · ‎02-17-2017

I think it is correct, here's the file /etc/hosts 127.0.0.1 localhost sandbox.hortonworks.com ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters

jzhang · ‎02-16-2017

Here's the setting: hive.server2.authentication.kerberos.principal hive/_HOST@EXAMPLE.COM hive.metastore.kerberos.principal hive/_HOST@EXAMPLE.COM

jzhang · ‎02-16-2017

Here's the setting: hive.server2.authentication.kerberos.principal hive/_HOST@EXAMPLE.COM hive.metastore.kerberos.principal hive/_HOST@EXAMPLE.COM

jzhang · ‎02-16-2017

I enabled kerbosr in sandbox HDP 2.5, but fails to start hive metastore. This is the princpal setting: hive.server2.authentication.kerberos.principal hive/_HOST@EXAMPLE.COM hive.metastore.kerberos.principal hive/_HOST@EXAMPLE.COM here's the log I see 2017-02-16 11:05:56,541 ERROR [main]: metastore.HiveMetaStore (HiveMetaStore.java:startMetaStore(6326)) - org.apache.thrift.transport.TTransportException: Kerberos principal should have 3 parts: hive at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge$Server.createTransportFactory(HadoopThriftAuthBridge.java:351) at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:6244) at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:6155) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:233) at org.apache.hadoop.util.RunJar.main(RunJar.java:148) 2017-02-16 11:05:56,542 ERROR [main]: metastore.HiveMetaStore (HiveMetaStore.java:main(6159)) - Metastore Thrift Server threw an exception... org.apache.thrift.transport.TTransportException: Kerberos principal should have 3 parts: hive at org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge$Server.createTransportFactory(HadoopThriftAuthBridge.java:351) at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:6244) at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:6155) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:233) at org.apache.hadoop.util.RunJar.main(RunJar.java:148)

jzhang · ‎02-16-2017

Is the new sandbox released ? I still see it in the latest sandbox

jzhang · ‎02-13-2017

livy-env.sh is shared by all the sessions which means one livy instance can only run one version of python. I would recommend user to use spark configuration spark.pyspark.driver.python and spark.pyspark.python in spark2 (HDP 2.6) so that each session can set his own python version. https://issues.apache.org/jira/browse/SPARK-13081

jzhang · ‎01-30-2017

All the interpreter instances of the same type share one single interpreter setting. So as @Tibor Kiss mentioned, for now the workaround is you have to duplicate the default spark interpreter and give unique spark.app.name to each newly created interpreter.

jzhang · ‎01-24-2017

hiveserver2 use tez as exeuction engine while spark thrift server use spark as undering execution engine. There's nothing to configure on zeppelin side for performance tuning. You just need to either make changes on hiveserver2 or spark thrift server for performance tuning.

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