Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Clone this repo:
  1. db5c992 Use the proper featured Zookeeper config generation script (#3688) by Nicholas Nezis · 2 days ago master
  2. 103cf19 updatedocandlink (#3685) by bed debug · 13 days ago ubuntu20.04-arm64
  3. c23dba7 Updated to Kryo 5.0.4 (#3683) by Nicholas Nezis · 5 weeks ago
  4. 8ff6390 Fixing incorrect article title (#3682) by Josh Fischer · 5 weeks ago
  5. 63fe9fa Grammar fix (#3681) by fredster33 · 6 weeks ago

Build Status


Heron is a realtime analytics platform developed by Twitter. It has a wide array of architectural improvements over it's predecessor.

Heron in Apache Incubation


https://heron.incubator.apache.org/ Confluence: https://cwiki.apache.org/confluence/display/HERON

Heron Requirements:

  • Java 11
  • Python 3.6
  • Bazel 3.7.2


Mailing lists

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Meetup Group

Bay Area Heron Meetup, We meet on Third Monday of Every Month in Palo Alto.

For more information:


Licensed under the Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0