TLDR Data · GENERAL
SCALING STREAMHUB: TRANSITIONING FROM KINESIS TO KAFKA FOR 145 BILLION DAILY EVENTS
Summary from the TLDR Data newsletter
Atlassian moved from Kinesis to Kafka on AWS MSK as traffic rose from 22 billion to 150 billion events a day. Tiered Storage cut costs, but incidents exposed broker, S3, control-plane, and disk limits. Quotas, sharding, spare capacity, backups, and failover were critical.