Data liberation and data integration with Kafka

Data liberation and data integration with Kafka

Slides from a talk given at Strata+Hadoop World New York, 30 September 2015. http://strataconf.com/big-data-conference-ny-2015/public/schedule/detail/42723

Abstract:

Even the best data scientist can't do anything if they cannot easily get access to the necessary data. Simply making the data available is step 1 towards becoming a data-driven organization. In this talk, we'll explore how Apache Kafka can replace slow, fragile ETL processes with real-time data pipelines, and discuss best practices for data formats and integration with existing systems.

Apache Kafka is a popular open source message broker for high-throughput real-time event data, such as user activity logs or IoT sensor data. It originated at LinkedIn, where it reliably handles around a trillion messages per day.

What is less widely known: Kafka is also well suited for extracting data from existing databases, and making it available for analysis or for building data products. Unlike slow batch-oriented ETL, Kafka can make database data available to consumers in real-time, while also allowing efficient archiving to HDFS, for use in Spark, Hadoop or data warehouses.

When data science and product teams can process operational data in real-time, and combine it with user activity logs or sensor data, that turns out to be a potent mixture. Having all the data centrally available in a stream data platform is an exciting enabler for data-driven innovation.

In this talk, we will discuss what a Kafka-based stream data platform looks like, and how it is useful:

* Examples of the kinds of problems you can solve with Kafka
* Extracting real-time data feeds from databases, and sending them to Kafka
* Using Avro for schema management and future-proofing your data
* Designing your data pipelines to be resilient, but also flexible and amenable to change

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Martin Kleppmann

September 30, 2015
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