In Pictures: 8 cool heat maps that help visualise Big Data

Big or small, data can be difficult to visualise. These examples use heat maps to put massive data sets into a context that's easy to understand.

Outage Analyzer: Worldwide Web Outage Tracker Compuware's Outage Analyzer provides a heat map tool to see Web services outages across the world. If you click on a red marker, you can see the start and end time, duration and areas of the world affected by the outage.

Compuware uses Hadoop and Flume Big Data to monitor outages, collecting 8 billion data points from about 1,500 Web services each day. Companies can use the data to see the effects of Web service outages and track how often they occur.

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