Hdfs top users by actions
Sometimes it could be difficult to identifying the activities that are stressing your namenodes. Following is an article on how to have the top users by hdfs actions on your HDFS Cluster requesting the Namenode JMX
Namenode monitoring
When having trouble with your Big Data cluster, it could be interesting to automatically generate some monitoring for your namenode.
Hive ACID activation side effect
In this article, I will describe the impact of the Hive ACID activation on a running cluster HDP 2.6.4