pulsar

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![logo](https://pulsar.apache.org/img/pulsar.svg)

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

Learn more about Pulsar at https://pulsar.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

## Repositories

This repository is the main repository of Apache Pulsar. Pulsar PMC also maintains other repositories for
components in the Pulsar ecosystem, including connectors, adapters, and other language clients.

- [Pulsar Core](https://github.com/apache/pulsar)

### Helm Chart

- [Pulsar Helm Chart](https://github.com/apache/pulsar-helm-chart)

### Ecosystem

- [Pulsar Adapters](https://github.com/apache/pulsar-adapters)

### Clients

- [.NET/C# Client](https://github.com/apache/pulsar-dotpulsar)
- [C++ Client](https://github.com/apache/pulsar-client-cpp)
- [Go Client](https://github.com/apache/pulsar-client-go)
- [