Mark Rittman

1444 posts published

Technical

Connecting OBIEE11g on Windows to a Kerberos-Secured CDH5 Hadoop Cluster using Cloudera HiveServer2 ODBC Drivers

In a few previous posts and magazine articles [http://www.oracle.com/technetwork/issue-archive/2014/14-sep/o54ba-2279189.html] I’ve covered connecting OBIEE11g to a Hadoop cluster [https://www.rittmanmead.com/blog/2014/01/obiee-11-1-1-7-cloudera-hadoop-hiveimpala-part-2-load-data-into-hivehcatalog-analyze-using-impala/] , using OBIEE 11.1.1.7 and Cloudera CDH4 and CDH5 as the examples. Things

Technical

OBIEE and ODI on Hadoop : Next-Generation Initiatives To Improve Hive Performance

The other week I posted a three-part series (part 1 [https://www.rittmanmead.com/blog/2014/12/going-beyond-mapreduce-for-hadoop-etl-pt-1-why-mapreduce-is-only-for-batch-processing/] , part 2 [https://www.rittmanmead.com/blog/2014/12/going-beyond-mapreduce-for-hadoop-etl-pt-2-introducing-apache-yarn-and-apache-tez/] and part 3 [https://www.rittmanmead.com/blog/2014/12/going-beyond-mapreduce-for-hadoop-etl-pt-3-introducing-apache-spark/] ) on going beyond MapReduce for Hadoop-based ETL, where I l

Technical

Introduction to Oracle BI Cloud Service : Creating the Repository

Earlier in this series we’ve looked at the overall product proposition for Oracle BI Cloud Service (BICS) [https://www.rittmanmead.com/blog/2014/09/introduction-to-oracle-bi-cloud-service-product-overview/] , and how you upload data to the Database Schema Service [https://www.rittmanmead.com/blog/2014/09/introduction-to-oracle-bi-cloud-service-provisioning-data/] that comes with it. Today, we’