What's New in Apache ZooKeeper

This topic lists new features for Apache ZooKeeper in this release of Cloudera Runtime.

Enable 4LW telnet commands in ZooKeeper configuration using CM

You can configure the 4lw.commands.whitelist property using Cloudera Manager. By default the wchc and wchp commands are not enabled because of their known DOS vulnerability. For more information, see Configure four-letter-words commands in ZooKeeper using Cloudera Manager.

New diagnostics REST interface called AdminServer

AdminServer is a new diagnostics REST interface that provides simple diagnostics and metrics through HTTP. The embedded admin server is optional and disabled by default. You can enable it and change the server port using Cloudera Manager. For more information, see Enable the AdminServer.