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

Clone this repo:
  1. 41e0988 [3846] Refactoring of the Kubernetes shim (#3847) by Saad Ur Rahman · 3 weeks ago master
  2. 12b8abc Updates to fix issues with the Heron API dependencies (#3844) by Nicholas Nezis · 5 weeks ago release/0.20.5-incubating 0.20.5-incubating-rc4
  3. b4d640f Remove stray space characters between \ and \n (#3843) by Jonathan Dowland · 7 weeks ago
  4. 1c2fcf0 Fix Update race condition in Heron Tracker (#3830) by choi se · 9 weeks ago 0.20.5-incubating-rc3
  5. 8ed4c35 Added missing epel-release repo (#3842) by Nicholas Nezis · 9 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 4.2.2


Mailing lists

user@heron.incubator.apache.orgUser-related discussionsSubscribeUnsubscribeArchives
dev@heron.incubator.apache.orgDevelopment-related discussionsSubscribeUnsubscribeArchives


Self-Register to our Heron Slack Workspace

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