Hi @Harish19 , the best place for information regarding TCP-DS tests on Impala would be (follow the README.md):   https://github.com/cloudera/impala-tpcds-kit   Once the data is populated in HDFS and tables are created, you likely can run most the same queries in tree/master/queries/ on Hive and/or Hive on Spark to test.   IBM and Databricks have githubs with some SparkSQL tests, which you can Google for, but I have not personally evaluated them, or know if they work.   Thanks, ... View more

The simplest way is through Cloudera Hue. See http://gethue.com/new-apache-oozie-workflow-coordinator-bundle-editors/ That said, if you've attempted something and have run into issues, please add more details so the community can help you on specific topics. ... View more

It would help if you add along some description of what you have found or attempted, instead of just a broad question. What load balancer are you choosing to use? We have some sample HAProxy configs at https://www.cloudera.com/documentation/enterprise/latest/topics/impala_proxy.html#tut_proxy for Impala that can be repurposed for other components. Hue also offers its own pre-optimized Load Balancer as roles in Cloudera Manager that you can add and have it setup automatically: https://www.cloudera.com/documentation/enterprise/latest/topics/hue_perf_tuning.html ... View more

Hi ,   Please refer to the following documentation for details on migrating from Oracle JDK to OpenJDK https://www.cloudera.com/documentation/enterprise/upgrade/topics/ug_jdk8.html#concept_yky_c3z_4fb   Hope thsi helps.   Regards, Priya ... View more

You can use the Spark Action in Oozie to submit any spark applications: https://archive.cloudera.com/cdh5/cdh/5/oozie/DG_SparkActionExtension.html#Spark_Action   If you are more familar with spark-submit tool,  you can try to use oozie shell action as well: https://archive.cloudera.com/cdh5/cdh/5/oozie/DG_ShellActionExtension.html   You may need to make sure the spark gateway role is deployed on the oozie server and node manager nodes, so that the runtime env always have the depencies available. ... View more