Confluent Cuts OpenSearch Nodes in Half with Smart Instance Swap

Confluent ditched general-purpose r6gd instances for AWS's purpose-built oi2 family on Amazon OpenSearch Service, slashing their observability fleet by 46% while doubling indexing speed. The data engineering team ingests hundreds of terabytes of logs daily and eliminated write backpressure, proving that the right hardware choice beats brute-force scaling.