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Although they have some similarities, ZooKeeper and BookKeeper provide different administrative services in Pulsar. This article will help you to understand how ZooKeeper and BookKeeper work, the roles these components play in Pulsar, and the differences between ZooKeeper and BookKeeper, highlighting use cases where each component is particularly useful.
July 1, 2022
level 200
Apache Pulsar was built from scratch to focus on multi-tenancy as a founding principle. To manage multi-tenancy aspects within a Pulsar instance, Pulsar supports a concept called tenants.
This article will explore what Pulsar topics are, the differences between persistent and non-persistent topics in Apache Pulsar, and review some example use cases for both methods.
Both Pulsar and Kafka aim to increase the amount of data that can be consumed and processed by horizontal scaling — spreading data across many partitions. This is possible thanks to parallel processing, wherein the data producer writes to multiple partitions and the consumer reads them.
Almost any application that requires real-time or near-real-time data processing benefits from having a message queue or streaming data processing component in its architecture. Online food ordering apps, e-commerce sites, media streaming services, and online gaming are straightforward examples. But weather apps, smart cars, health status apps with smartwatch technology, or anything Internet of …
January 3, 2022
level 300
Transactions are an API in Apache Pulsar that enables atomic operations among pulsar consumers and producers. This talk covers the motivating factors for Transactions in a system like Apache Pulsar, deep dives into the transactions API, and walks through some examples of using Transactions with the pulsar4s client.
December 30, 2021
level 300
Stream Processing Systems (SPSs) are an integral part of modern data-intensive companies. In a world where streams are becoming king, they are commonly employed for much more than data analytics. Yet, most of developers only use them and have never dove deep into the internals of the system.
Enrico Olivelli gives us a tour of how data moves from the Producer to the Consumer.
In this session you will see how to use Pulsar in a JakartaEE Web Application deployed on Apache TomEE via the JMS/EJB API, without installing any additional components to your cluster.
Zeke Dean walks us through how to run Apache Pulsar in multiple regions