for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao kerberos principal String keytab = args[1]; // keytab file location Configuration configuration = new Configuration(); configuration.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos"); UserGroupInformation ˓→loginUserFromKeytabAndReturnUGI(principal, keytab); Class.forName(driverName); Connection conn = ugi.doAs(new PrivilegedExceptionAction(){ public Connection run() throws SQLException { return DriverManager

for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao kerberos principal String keytab = args[1]; // keytab file location Configuration configuration = new Configuration(); configuration.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos"); UserGroupInformation ˓→loginUserFromKeytabAndReturnUGI(principal, keytab); Class.forName(driverName); Connection conn = ugi.doAs(new PrivilegedExceptionAction(){ public Connection run() throws SQLException { return DriverManager

for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao kerberos principal String keytab = args[1]; // keytab file location Configuration configuration = new Configuration(); configuration.set(HADOOP_SECURITY_AUTHENTICATION, "kerberos"); UserGroupInformation ˓→loginUserFromKeytabAndReturnUGI(principal, keytab); Class.forName(driverName); Connection conn = ugi.doAs(new PrivilegedExceptionAction(){ public Connection run() throws SQLException { return DriverManager

on one platform, using one copy of data, with one SQL interface. Kyuubi provides the following features: USAGE GUIDE 1 Kyuubi, Release 1.3.0 2 USAGE GUIDE CHAPTER ONE MULTI-TENANCY Kyuubi supports formerly created Spark application for user ‘anonymous’ will not be reused in this case, while a brand new application will be submitted for user ‘kentyao’ instead. Then, you can see 3 processes running in ZooKeeperServer: Client attempting to establish ˓→new session at /127.0.0.1:65320 2021-01-16 03:27:35.455 INFO persistence.FileTxnLog: Creating new log file: log.1 2021-01-16 03:27:35.491 INFO server

on one platform, using one copy of data, with one SQL interface. Kyuubi provides the following features: USAGE GUIDE 1 Kyuubi, Release 1.3.0 2 USAGE GUIDE CHAPTER ONE MULTI-TENANCY Kyuubi supports formerly created Spark application for user ‘anonymous’ will not be reused in this case, while a brand new application will be submitted for user ‘kentyao’ instead. Then, you can see 3 processes running in ZooKeeperServer: Client attempting to establish ˓→new session at /127.0.0.1:65320 2021-01-16 03:27:35.455 INFO persistence.FileTxnLog: Creating new log file: log.1 2021-01-16 03:27:35.491 INFO server

on one platform, using one copy of data, with one SQL interface. Kyuubi provides the following features: Multi-tenancy Kyuubi supports the end-to-end multi-tenancy, and this is why we want to create formerly created Spark application for user ‘anonymous’ will not be reused in this case, while a brand new application will be submitted for user ‘kentyao’ instead. Then, you can see 3 processes running in server.ZooKeeperServer: Client attempting to establish new session at /127.0.0.1:65320 2021-01-16 03:27:35.455 INFO persistence.FileTxnLog: Creating new log file: log.1 2021-01-16 03:27:35.491 INFO server

on one platform, using one copy of data, with one SQL interface. Kyuubi provides the following features: Multi-tenancy Kyuubi supports the end-to-end multi-tenancy, and this is why we want to create formerly created Spark application for user ‘anonymous’ will not be reused in this case, while a brand new application will be submitted for user ‘kentyao’ instead. Then, you can see 3 processes running in server.ZooKeeperServer: Client attempting to establish new session at /127.0.0.1:65320 2021-01-16 03:27:35.455 INFO persistence.FileTxnLog: Creating new log file: log.1 2021-01-16 03:27:35.491 INFO server

for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao gracefully. We could delete a k.i. but not stop it immediately. In this case, the k.i. will not take any new connection request but only operation requests from existing connections. After all connection are stop until all session closed, and then you can start a new Kyuubi server. • If you use a random port for Kyuubi server You can just start the new Kyuubi Server, and then run cmd using bin/kyuubi-ctl:

for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao gracefully. We could delete a k.i. but not stop it immediately. In this case, the k.i. will not take any new connection request but only operation requests from existing connections. After all connection are stop until all session closed, and then you can start a new Kyuubi server. • If you use a random port for Kyuubi server You can just start the new Kyuubi Server, and then run cmd using bin/kyuubi-ctl:

for connection here is much shorter than the last round. If you use a different user to create a new connection, another engine will be started. $ bin/beeline -u 'jdbc:hive2://localhost:10009/' -n kentyao gracefully. We could delete a k.i. but not stop it immediately. In this case, the k.i. will not take any new connection request but only operation requests from existing connections. After all connection are stop until all session closed, and then you can start a new Kyuubi server. • If you use a random port for Kyuubi server You can just start the new Kyuubi Server, and then run cmd using bin/kyuubi-ctl: