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Showing content from https://github.com/chenyahui/pulsar below:

GitHub - chenyahui/pulsar: Apache Pulsar

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

• 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

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

• Pulsar Helm Chart

• Pulsar Adapters

• .NET/C# Client
• C++ Client
• Go Client
• NodeJS Client
• Python Client
• Reactive Java Client

• Pulsar Manager

• Pulsar Site

• Pulsar CI

• Pulsar Connectors (bundled as pulsar-io)
• Pulsar Translation
• Pulsar SQL (Pulsar Presto Connector) (bundled as pulsar-sql)
• Ruby Client

• pulsar ver > 2.10 and master branch

• 2.8 <= pulsar ver <= 2.10

• pulsar ver < 2.8

• JDK

  Pulsar Version JDK Version master and 2.11 + JDK 17 2.8 / 2.9 / 2.10 JDK 11 2.7 - JDK 8

• Maven 3.6.1+

• zip

Note:

This project includes a Maven Wrapper that can be used instead of a system-installed Maven. Use it by replacing mvn by ./mvnw on Linux and mvnw.cmd on Windows in the commands below.

It's better to use CMD rather than Powershell on Windows. Because maven will activate the windows profile which runs rename-netty-native-libs.cmd.

Compile and install:

$ mvn install -DskipTests

Compile and install individual module

$ mvn -pl module-name (e.g: pulsar-broker) install -DskipTests

mvn install -Pcore-modules,-main -DskipTests

Run Unit Tests:

Run Individual Unit Test:

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

Run Selected Test packages:

$ mvn test -pl module-name (for example, pulsar-broker) -Dinclude=org/apache/pulsar/**/*.java

Start standalone Pulsar service:

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

• Docker images must be built with Java 8 for branch-2.7 or previous branches because of ISSUE-8445.
• Java 11 is the recommended JDK version in branch-2.8, branch-2.9 and branch-2.10.
• Java 17 is the recommended JDK version in master.

The following command builds the docker images apachepulsar/pulsar-all:latest and apachepulsar/pulsar:latest:

mvn clean install -DskipTests
mvn package -Pdocker,-main -am -pl docker/pulsar-all -DskipTests

After the images are built, they can be tagged and pushed to your custom repository. Here's an example of a bash script that tags the docker images with the current version and git revision and pushes them to localhost:32000/apachepulsar.

image_repo_and_project=localhost:32000/apachepulsar
pulsar_version=$(mvn initialize help:evaluate -Dexpression=project.version -pl . -q -DforceStdout)
gitrev=$(git rev-parse HEAD | colrm 10)
tag="${pulsar_version}-${gitrev}"
echo "Using tag $tag"
docker tag apachepulsar/pulsar-all:latest ${image_repo_and_project}/pulsar-all:$tag
docker push ${image_repo_and_project}/pulsar-all:$tag
docker tag apachepulsar/pulsar:latest ${image_repo_and_project}/pulsar:$tag
docker push ${image_repo_and_project}/pulsar:$tag

Read https://pulsar.apache.org/contribute/setup-ide for setting up IntelliJ IDEA or Eclipse for developing Pulsar.

Note:

For how to make contributions to Pulsar documentation, see Pulsar Documentation Contribution Guide.

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

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

If you find a security issue with Pulsar then please read the security policy. It is critical to avoid public disclosure.

To report a vulnerability for Pulsar, contact the Apache Security Team. When reporting a vulnerability to security@apache.org, you can copy your email to private@pulsar.apache.org to send your report to the Apache Pulsar Project Management Committee. This is a private mailing list.

https://github.com/apache/pulsar/security/policy contains more details.

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

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 The Wassenaar Arrangement 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.

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