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.. that said, Kafka is written in Scala.

• deleted 8y ago
  [deleted]
• StreamBright 8y ago
  Well parts of it yes but not 100%: https://github.com/apache/kafka/tree/trunk/clients/src/main/java/org/apache/kafka https://github.com/apache/kafka/tree/trunk/clients/src/main/...
• geodel 8y ago
  Maybe it was. Currently Kafka codebase has twice the Java code than Scala. Over time I have seen Scala code keeps shrinking and Java code keeps rising in repo.