Name: Apache Pulsar
Rating: 9 (4 reviews)
Author: Apache

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Apache Pulsar is an open-source, cloud-based messaging and streaming platform designed for real-time workloads. It offers seamless scalability, low-latency messaging and streaming, and multi-tenancy support. Pulsar is utilized by a wide range of companies, from small businesses to large enterprises, and can handle millions of messages per second across numerous topics. It is commonly adopted by professionals in software development, data engineering, DevOps, financial services, and e-commerce industries.

## Key Features

**Rapid Horizontal Scalability**: Apache Pulsar scales horizontally to handle increased load, thanks to its unique design and separate storage layer.

**Low-latency messaging and streaming**: Apache Pulsar provides low-latency messaging and streaming capabilities, allowing for individual message consumption with less than 10ms of latency.

**Seamless Geo-Replication**: Pulsar ensures seamless geo-replication, enabling data replication across different geographic regions to prevent zone outages.

**Multi-tenancy as a first-class citizen**: Apache Pulsar treats multi-tenancy as a priority, allowing organizations to maintain one cluster for their entire operations.

**Automatic Load Balancing**: Pulsar features automatic load balancing, enabling the addition or removal of nodes and automatic load balancing of topic bundles.

**Official multi-language support**: Apache Pulsar offers officially maintained Pulsar Clients for Java, Go, Python, C++, Node.js, and C#, providing developers with a wide range of language options.

**Official 3rd party integrations**: Pulsar has officially maintained connectors with popular third-party systems such as MySQL, Elasticsearch, Cassandra, and more.

**Serverless Functions**: Apache Pulsar supports serverless functions through Pulsar Functions, allowing users to write and deploy functions within the platform.

**Supports up to 1M topics**: Pulsar's unique architecture supports up to one million topics in a single cluster, simplifying application architecture by eliminating the need to multiplex multiple streams into a single topic.

Apache Pulsar is a cloud-native, distributed messaging and streaming platform originally created at Yahoo! and now an Apache Software Foundation project. It is free and open source, available under the Apache License, version 2.0.

Confluent Cloud is a cloud-native service for Apache Kafka used to connect and process data in real time with a fully managed data streaming platform. Confluent Platform is the self-managed version.

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Confluent

Apache Pulsar

Complex event processing (CEP) software help a user make conclusions from data drawn from disparate streams of information (or an event cloud), with the goal of discovering hard to find opportunities or threats from high-volume, rapidly-occurring data spanning departments and many different sources. It is used for operational intelligence. CEP is a superset of ESP (event stream processing).

Complex Event Processing

"Apache Pulsar and the Legacy of Telegraphy" by Jowanza Joseph

Most of our Enterprise customers use event streaming together with Apache Cassandra™. Two popular open-source event streaming platforms are Apache Kafka ™ and Apache Pulsar ™ .  How do they compare and what are the benefits of using a distributed event streaming platform for building modern data applications?

Join developer advocates from DataStax to learn:
✅ Basics of Apache Pulsar and Apache Kafka
✅ Objective comparison of two technologies
✅ A demo of using Pulsar to stream data into Cassandra


About DataStax:
DataStax is the open, multi-cloud stack for modern data apps. DataStax gives enterprises the freedom of choice, simplicity, and true cloud economics to deploy massive data, delivered via APIs, powering rich interactions on multi-cloud, open source and Kubernetes.  


DataStax is built on proven Apache Cassandra™ and the Stargate™ open source API platform. DataStax Astra is the new stack for modern data apps as-a-service, built on the scale-out, cloud-native, open source K8ssandra™. 


DataStax powers modern data apps for 500 of the world’s most demanding enterprises including The Home Depot, T-Mobile, Intuit and half of the Fortune 100.


#apachepulsar #nosql #streaming




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The Apache Software Foundation provides support for the Apache community of open-source software projects. The Apache projects are characterized by a collaborative, consensus based development process, an open and pragmatic software license, and a desire to create high quality software that leads the way in its field.

We consider ourselves not simply a group of projects sharing a server, but rather a community of developers and users.

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