Easily deploy lightweight compute logic using developer-friendly APIs without needing to run your own stream processing engine

Pulsar has run in production at Yahoo scale for over 3 years, with millions of messages per second across millions of topics

Seamlessly expand capacity to hundreds of nodes

Designed for low publish latency (< 5ms) at scale with strong durabilty guarantees

Designed for configurable replication between data centers across multiple geographic regions

Built from the ground up as a multi-tenant system. Supports Isolation, Authentication, Authorization and Quotas

Persistent message storage based on Apache BookKeeper. Provides IO-level isolation between write and read operations

Flexible messaging models with high-level APIs for Java, C++, Python and GO

REST Admin API for provisioning, administration, tools and monitoring. Deploy on bare metal or Kubernetes.