trinodb/trino

Update default Cassandra version to 4.x

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#28,687 opened on Mar 17, 2026

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Description

EnvMultinodeCassandra and default CassandraServer use Cassandra v3. We should update them to v4 since v3 already reached EOL.

This task requires updating cu-cassandra.yaml in test/resources directory, also "Requirements" section in cassandra.md.

Contributor guide

Research direction
Update the Cassandra version in cu cassandra.yaml and cassandra.md from 3.x to 4.x. Ensure no other references.
Tech stack
java
Domain
backenddatabase
Issue type
Refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitJava
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85