Apache Pulsar alternatives and similar libraries
Based on the "Messaging" category
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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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:
- 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
- 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.
To configure annotation processing in IntelliJ:
Open Annotation Processors Settings dialog box by going to
Settings -> Build, Execution, Deployment -> Compiler -> Annotation Processors.
Select the following buttons:
- "Enable annotation processing"
- "Obtain processors from project classpath"
- "Store generated sources relative to: Module content root"
Set the generated source directories to be equal to the Maven directories:
- Set "Production sources directory:" to "target/generated-sources/annotations".
- Set "Test sources directory:" to "target/generated-test-sources/test-annotations".
Install the lombok plugin in intellij.
Follow the instructions here to configure your Eclipse setup.
Build Pulsar docs
Refer to the docs [README](site2/README.md).
Pulsar slack channel at https://apache-pulsar.slack.com/
You can self-register at https://apache-pulsar.herokuapp.com/
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 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.
*Note that all licence references and agreements mentioned in the Apache Pulsar README section above are relevant to that project's source code only.