Using logdump to Troubleshoot the Oracle GoldenGate for Big Data Kafka handler

Oracle GoldenGate for Big Data (OGG BD) supports sending transactions as messages to Kafka topics, both through the native Oracle handler as well as a connector into Confluent's Kafka Connect. In some research that I was doing with it I found an interesting problem that I am going to demonstrate here and show the troubleshooting tools that may be useful to others encountering similar issues.

The source for the data is Swingbench running against Oracle (more...)

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 of connecting to data sources:

  1. Native Gateway, such as OCI for Oracle. This is always the preferred option as it gives the greatest support and performance.
  2. Data Direct ODBC Drivers, a set of which are bundled with OBIEE for enabling connectivity to sources such as SQL Server, MySQL, Hive, and Impala. The configuration of these is documented in the OBIEE manuals (more...)

Using Apache Drill with OBIEE 12c

Apache Drill enables querying with SQL against a multitude of datasources including things like JSON files, Parquet and Avro, Hive tables, RDBMS and more. MapR have released an ODBC driver for it, and I thought it'd be neat to get it to work with OBIEE. It evidently does work for OBIEE running on Windows, but I wanted to be able to use it on my standard environment, Linux.

For more information on Apache Drill, see (more...)

An Introduction to Apache Drill

Apache Drill is an engine that can connect to many different data sources, and provide a SQL interface to them. It's not just a wanna-be SQL interface that trips over at anything complex - it's a hugely functional one including support for many built in functions as well as windowing functions. Whilst it can connect to standard data sources that you'd be able to query with SQL anyway, like Oracle or MySQL, it can also (more...)

Stream Analytics and Processing with Kafka and Oracle Stream Analytics

In my previous post I looked the latest release of Oracle Stream Analytics (OSA), and saw how it provided a graphical interface to "Fast Data". Users can analyse streaming data as it arrives based on conditions and rules. They can also transform the stream data, publishing it back out as a stream in its own right. In this article we'll see how OSA can be used with Kafka.

Kafka is one of the foremost streaming (more...)

An Introduction to Oracle Stream Analytics

An Introduction to Oracle Stream Analytics

Oracle Stream Analytics (OSA) is a graphical tool that provides “Business Insight into Fast Data”. In layman terms, that translates into an intuitive web-based interface for exploring, analysing, and manipulating streaming data sources in realtime. These sources can include REST, JMS queues, as well as Kafka. The inclusion of Kafka opens OSA up to integration with many new-build data pipelines that use this as a backbone technology.

An Introduction to Oracle Stream Analytics
Previously known as Oracle Stream Explorer, it is (more...)