Last week in scylla-cluster-tests.git master (issue #126; 2026-02-27)

This short report brings to light some interesting commits to scylla-cluster-tests.git master from the last week. Commits in the e058afce…9f4cf0a0 range are covered.

There were 45 non-merge commits from 16 authors in that period. Some notable commits:

All Elasticsearch related code was removed from the test framework. All data is kept in Argus.

gemini was bumped to v2.3.0, a version that brings successful validations in the statement logger, narrowing the data-loss investigation scope.

YCSB was updated to 1.2.0 with a native load balancer. Additionally, alternator load balancing is now enabled by default on every workload, with the exception of performance tests.

A skill framework was introduced to provide structured AI guidance for Copilot when working in this repository. This followed an implementation plan for covering 5 skills: designing-skills , writing-plans , python-guidelines , unit-testing , and integration-testing .

See you in the next issue of last week in scylla-cluster-tests.git master!