Rittman Mead Blog - Java Database Connectivity

Analyzing Wimbledon Twitter Feeds in Real Time with Kafka, Presto and Oracle DVD v3

Last week there was Wimbledon, if you are a fan of Federer, Nadal or Djokovic then it was one of the events not to be missed. I deliberately excluded Andy Murray from the list above since he kicked out my favourite player: Dustin Brown. Two weeks ago I was at

odbc

How To Poke Around OBIEE on Linux with strace (Working with Unsupported ODBC Sources in OBIEE 12c)

OBIEE 12c (and 11g and 10g before it) supports three primary ways [https://docs.oracle.com/middleware/1221/biee/BIEMG/deploy_rpd.htm#BIEMG1465] of connecting to data sources: 1. Native Gateway [https://docs.oracle.com/middleware/1221/biee/BIEMG/deploy_rpd.htm#BIEMG1179] , such as OCI for Oracle. This

Technical

Managing the OBIEE BI Server Cache from ODI 12c

I wrote recently about the OBIEE BI Server Cache and how useful it can be [https://www.rittmanmead.com/blog/2015/09/obiee-bi-server-cache-management-strategies/], but how important it is to manage it properly, both in the purging of stale data and seeding of new. In this article I want to show

Technical

OBIEE BI Server Cache Management Strategies

The OBIEE BI Server cache can be one of the most effective ways of improving response times of OBIEE dashboards. By using data already in the cache it reduces load on the database, the network, and the BI Server. Should you be using it? I always describe it as the

Technical

An Introduction to Analysing ODI Runtime Data Through Elasticsearch and Kibana 4

An important part of working with ODI is analysing the performance when it runs, and identifying steps that might be inefficient as well as variations in runtime against a baseline trend. The Operator tool in ODI itself is great for digging down into individual sessions and load plan executions, but