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

Clone this repo:
  1. 1c5779d retired by Josh Fischer · 3 months ago master
  2. 35c7f22 Upgrade to Bazel 6.0.0 (#3863) by Nicholas Nezis · 5 months ago
  3. 0e7dbe5 Bump qs from 6.5.2 to 6.5.3 in /website2/website (#3860) by dependabot[bot] · 5 months ago
  4. c1d26b6 Bumped Kryo to 5.4.0 (#3870) by Nicholas Nezis · 5 months ago
  5. 9dc50c3 Validate destination path before untar (#3857) by Huijun Wu · 5 months 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 6.0.0


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