As noted in the previous reply, I did not have any nodes with the Failover Controller role.  Importantly, I also had not enabled Automatic Failover despite running in an HA configuration.   I went ahead and added the Failover Controller role to both namenodes - the good one and the bad one.   After that, I attempted enable the Automatic Failover using the link shown in the screenshot from this post.  To do that, however, I needed to first start Zookeeper.     At that point, If I recall correctly, the other namenode was still not active but I then restarted the entire cluster and the automatic failover kicked in, using the other namenode as the active one and leaving the bad namenode in a stopped state. ... View more

Yes, that is right. In MySQL though, you can ease user access provisioning by granting wildcard host login access, to allow all hosts: https://dev.mysql.com/doc/refman/5.7/en/adding-users.html (look for the % character example on page). ... View more

To find what's included in a CDH release, visit the 'CDH Version and Packaging Information' area of the documentation: https://www.cloudera.com/documentation/enterprise/release-notes/topics/rg_cdh_vd.html Specifically, to find what's in the 5.13.x and 5.12.x releases, visit the following links: - https://www.cloudera.com/documentation/enterprise/release-notes/topics/cm_vd_cdh_package_tarball_513.html - https://www.cloudera.com/documentation/enterprise/release-notes/topics/cm_vd_cdh_package_tarball_512.html Kafka is currently not a part of the base CDH packaging, and is available as a separate parcel. Follow the Kafka doc. page for instructions on how to add it to your cluster: https://www.cloudera.com/documentation/kafka/latest/topics/kafka.html Sqoop and Flume are included in CDH5 since its inception, and Kudu is included in CDH5 since 5.13.x (previously it was a separate parcel). ... View more