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From 0.1% green builds to near-zero flakiness: How Apache Kafka overhauled its CI

From 0.1% green builds to near-zero flakiness: How Apache Kafka overhauled its CI
March 27, 2026|By Lindsey Bonner|10 min read

A little over a year ago, fewer than 0.1% of Apache Kafka's CI builds came back fully green. What followed was a systematic overhaul with Develocity, compressing build times to a predictable 2-hour window and reducing flaky test failures from 90% to just 1%.

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