Cloudera Docs

Behavioral Changes in Apache Kafka

Learn about the change in certain functionality of Kafka that has resulted in a change in behavior from the previously released version to this version of Cloudera Runtime.

Summary:
The default hashing algorithm of the log cleaner for building offset maps has changed to Murmur3.
Previous behavior:
The default hashing algorithm used was MD5.
New behavior:
The default hashing algorithm used is Murmur3.
Summary:

The Ranger Kafka Plugin no longer communicates with Zookeeper through secure channels even if secure communication between Kafka and Zookeeper is enabled.

Previous behavior:

If the Enable Secure Connection to ZooKeeper property was set to true, the Ranger Kafka Plugin communicated with Zookeeper through secure channels.

New behavior:

The Ranger Kafka Plugin no longer communicates with Zookeeper through secure channels even if the Enable Secure Connection to ZooKeeper property is enabled.