Upgrade Apache Cassandra

Upgrade Apache Cassandra Clusters with Minimal Downtime

This comprehensive training course, recorded in December 2024 and early 2025, provides a detailed guide to upgrading your Apache Cassandra clusters with minimal risk and downtime. Learn best practices for planning, testing, and executing successful Cassandra upgrades.

Prerequisites: A working knowledge of Apache Cassandra is required, including understanding what Apache Cassandra is, installation, configuration, and basic administration.

Why Upgrade Cassandra? Software upgrades deliver significant improvements, including new features, performance enhancements, bug fixes, and updated security measures. Careful planning is crucial for database upgrades to ensure availability and minimize downtime. Cassandra's distributed architecture enables near-zero downtime upgrades by allowing node-by-node upgrades.

What You'll Learn:

• Planning for Cassandra Upgrades: Design a proper plan for upgrading your Apache Cassandra clusters for a smooth and seamless operation.
• Java Runtime Environment (JRE) Installation & Configuration: Learn how to install and configure three different versions of Java Runtime Environment on a Linux server, essential for Cassandra compatibility.
• Understanding SStable Versions: Gain a deep understanding of the various SSTable versions within Cassandra.
• Minor vs. Major Version Upgrades: Distinguish the differences between minor version upgrades and major version upgrades in Cassandra.
• In-Place Upgrades: Perform an in-place upgrade from Cassandra 3.11.8 to 3.11.17 (a minor version upgrade).
• Major Version Upgrades: Upgrade from Cassandra 3.11.17 to 4.1.7 (a major version upgrade).
• OpenJDK 17 Compatibility: Upgrade from Cassandra 4.1.7 to 5.0.2 and ensure compatibility with OpenJDK 17.
• Leveraging New Features: Enable and utilize features exclusively available in Apache Cassandra release 5.0.
• Best Practices & Troubleshooting: Acquire the knowledge, best practices, and real-world insights needed to confidently handle any Apache Cassandra upgrade scenario.
• Mitigating Risk & Downtime: Understand the steps, tools, and precautions required to execute smooth and successful upgrades with minimal risk and downtime.

By the end of this course, you'll be equipped to confidently navigate any Cassandra upgrade, troubleshoot potential challenges, and make informed decisions to ensure seamless operation. Gain the clarity and confidence to take on any Cassandra upgrade.