pulsar

Apache Pulsar - distributed pub-sub messaging system

Github星跟踪图

logo

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

Build Pulsar

Requirements:

  • Java JDK 1.8
  • Maven 3.3.9+

Compile and install:

$ mvn install -DskipTests

Run Unit Tests:

$ mvn test

Run Individual Unit Test:

$ cd module-name (e.g: pulsar-client)
$ mvn test -Dtest=unit-test-name (e.g: ConsumerBuilderImplTest)

Start standalone Pulsar service:

$ bin/pulsar standalone

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

Setting up your IDE

Apache Pulsar is using lombok so you have to ensure your IDE setup with
required plugins.

Intellij

To configure annotation processing in IntelliJ:

  1. Open Annotation Processors Settings dialog box by going to
    Settings -> Build, Execution, Deployment -> Compiler -> Annotation Processors.

  2. Select the following buttons:

    1. "Enable annotation processing"
    2. "Obtain processors from project classpath"
    3. "Store generated sources relative to: Module content root"
  3. Set the generated source directories to be equal to the Maven directories:

    1. Set "Production sources directory:" to "target/generated-sources/annotations".
    2. Set "Test sources directory:" to "target/generated-test-sources/test-annotations".
  4. Click "OK".

  5. Install the lombok plugin in intellij.

Eclipse

Follow the instructions here
to configure your Eclipse setup.

Build Pulsar docs

Refer to the docs README.

Contact

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

Crypto Notice

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See http://www.wassenaar.org/ for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this Apache Software Foundation distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.

The following provides more details on the included cryptographic software: Pulsar uses the SSL library from Bouncy Castle written by http://www.bouncycastle.org.

主要指标

概览
名称与所有者apache/pulsar
主编程语言Java
编程语言Java (语言数: 11)
平台
许可证Apache License 2.0
所有者活动
创建于2016-06-28 07:00:03
推送于2025-06-10 13:00:20
最后一次提交2025-06-10 20:37:50
发布数300
最新版本名称v3.3.7 (发布于 2025-05-23 09:19:43)
第一版名称v1.14 (发布于 )
用户参与
星数14.6k
关注者数400
派生数3.6k
提交数13.5k
已启用问题?
问题数7182
打开的问题数1177
拉请求数13766
打开的拉请求数381
关闭的拉请求数2264
项目设置
已启用Wiki?
已存档?
是复刻?
已锁定?
是镜像?
是私有?