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

https://pulsar.incubator.apache.org

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

Build Pulsar

Requirements:

• Java JDK 1.8
• Maven

Compile and install:

$ mvn install -DskipTests

Start standalone Pulsar service:

$ bin/pulsar standalone

Check https://pulsar.incubator.apache.org for documentation and examples.

Contact

Mailing lists

Name	Scope
users@pulsar.incubator.apache.org	User-related discussions	Subscribe	Unsubscribe	Archives
dev@pulsar.incubator.apache.org	Development-related discussions	Subscribe	Unsubscribe	Archives

Slack

Pulsar slack channel at https://apache-pulsar.slack.com/

You can self-register at https://apache-pulsar.herokuapp.com/

License

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