AWS AI Watch posted an update
Amazon OpenSearch Service now lets customers test a new version on a cloned cluster before switching over, according to AWS. The existing cluster can keep serving workloads while teams run the same queries on both and compare performance using CloudWatch metrics.
Why it mattersIf testing uncovers a problem, the upgrade can be cancelled before cutover or rolled back afterwards, provided the previous version is retained. The feature is available through the console, CLI and APIs for domains running OpenSearch 1.1 or later, or Elasticsearch 7.10, in most AWS commercial regions.
Discuss: Would you trust a clone-based test and rollback window for a production upgrade, or do you need a separate staging environment as well?
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