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Upgrading Cassandra Clusters with Carlos Rolo

Distributed Data Show Episode 71

Patrick McFadin talks with “Cassandra Archaeologist” Carlos Rolo of Pythian about best practices for upgrades in Apache Cassandra clusters.

Highlights!

0:15 - Patrick welcomes Carlos to the episode and explains why he’s known as the “Cassandra archaeologist”.

2:10 - Carlos shares his tips for upgrades: read the documentation, make sure you’re doing backups and testing them, validate that your drivers work on a new version

3:18 - Doing a test upgrade is recommended, especially from an application perspective

4:00 - Upgrading across multiple version numbers takes some work, you need to go a step at a time and upgrade SSTables

5:14 - Online upgrades are the norm - this is a major reason why people choose Cassandra

6:23 - Changes affecting upgrades to Cassandra 4.0 - check the release notes!

7:13 - The most difficult upgrades are the ones involving transition away from the legacy Thrift API

9:35 - The final word - make sure to read the docs when doing upgrades

Watch

Speakers

Patrick McFadin

Patrick McFadin

Developer Relations at DataStax