Pulsar is a distributed pub-sub messaging platform with a very flexible messaging model and an intuitive client API.

Main features

• Horizontally scalable (Millions of independent topics and millions of messages published per second)
• Strong ordering and consistency guarantees
• Low latency durable storage
• Topic and queue semantics
• Load balancer
• Designed for being deployed as a hosted service:
  • Multi-tenant
  • Authentication
  • Authorization
  • Quotas
  • Support mixing very different workloads
  • Optional hardware isolation
• Keeps track of consumer cursor position
• REST API for provisioning, admin and stats
• Geo replication
• Transparent handling of partitioned topics
• Transparent batching of messages

Documentation

• Getting Started
• Architecture
• Documentation Index
• Announcement post on Yahoo Eng Blog

Contact

• Pulsar-Dev for development discussions
• Pulsar-Users for users questions

License

Copyright 2016 Yahoo Inc.

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