YARN-1458 - FairScheduler: Zero weight can lead to livelock
Adding and upgrading hosts allows users to skip installing default JDK that ships with Cloudera Manager.
Improved speed and heap usage when deleting hosts on cluster with long history.
When there are multiple clusters, each cluster's topology files and validation for legal topology is limited to hosts in that cluster. Most commands will now fail up front if the cluster's topology is invalid.
For users using Oracle databases, the size of the statement cache has been reduced, to help with memory consumption.
Improvements to memory usage of "cluster diagnostics collection" for large clusters.
HBase auditing initialization failure can prevent region opening indefinitely.
We look forward to you trying it out using the information below:
As always, we are happy to hear your feedback. Please send your comments and suggestions to the user group or through our community forums. You can also file bugs through our external jira projects on issues.cloudera.org.