Twitter open-sources Heron for real-time stream analytics

Heron, the real-time stream-processing system Twitter devised as a replacement for Apache Storm, is finally being open-sourced after powering Twitter for more than two years.

Twitter explained in a blog post that it created Heron because it needed more than just speed and scale from its real-time stream processing framework. The company also needed easier debugging, easier deployment and management capabilities, and the ability to work well in a shared, multi-tenant cluster environment.

Apache Storm was the original solution to Twitter’s problems. It was created by a marketing intelligence company called BackType, and Twitter bought the company in 2011 and eventually open-sourced Storm, providing it to the Apache Foundation.

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