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Tech riderRev. 21 Sept 2026

Apache Heron

Ch 245.1of 25 Streaming Analytics Software
  1. 1Runs onLinux, self-hosted
  2. 2CostsNot stated by the maker
  3. 3Deploymentself hosted
2 lines stated Written from the maker's own pages: heron.apache.org
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The Apache Heron homepage

Overview

Apache Heron is ranked #24 of 25 in streaming analytics software on Specifiction. It runs on Linux, Self-hosted.

Compared on streaming analytics software

Deployment
self_hostedheron.apache.org

Facts

Status
Apache Heron retired on 2023-01-18.incubator.apache.org · 4 Oct 2026
What it does
Heron is a real-time, distributed, fault-tolerant stream processing engine.incubator.apache.org · 4 Oct 2026
Origin
Twitter developed Heron as a distributed streaming engine and donated it to the Apache Incubator in 2018.blog.x.com · 4 Oct 2026
Storm compatibility
Heron was built to be backwards compatible with the Apache Storm ecosystem and topology API.blog.x.com · 4 Oct 2026
Languages and architecture
Heron uses a process-based architecture and is written in Java, C++ and Python.blog.x.com · 4 Oct 2026
APIs
The project describes Java and Python Streamlets APIs, a Python API similar to Storm’s, and YAML-based ECO topology stitching.blog.x.com · 4 Oct 2026
Features
Heron supports backpressure, task isolation for troubleshooting, and configuring topologies for latency-sensitive or throughput-sensitive workloads.blog.x.com · 4 Oct 2026
State and processing
The project describes stateful and effectively-once processing, with adaptors for Apache Hadoop, Apache BookKeeper and the local file system.blog.x.com · 4 Oct 2026
Self-management
Dhalion is described as enabling Heron to self-tune, self-heal and self-stabilize when topologies encounter unexpected behavior.blog.x.com · 4 Oct 2026
Schedulers
The project lists Kubernetes, DC/OS, Nomad, SLURM and standalone as scheduler deployment options.blog.x.com · 4 Oct 2026
License
Heron was open sourced under the Apache License, Version 2.0.github.com · 4 Oct 2026
Community support
The repository lists user and developer mailing lists, a Slack channel and a meetup group as community contact options.github.com · 4 Oct 2026
Typical workloads
Twitter listed ETL, model enhancement, anomaly and fraud detection, IoT, embedded systems, VR/AR, ad bidding, financial, security and social media use cases.blog.x.com · 4 Oct 2026

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