Question-21: Which all are the correctly recommended specs by Cloudera for Report Manager components?

  1. You should configure the JAVA Heap size for Report Manager 3-4 times the size of fsimage.
  2. Recommended CPU is 2-4 cores.
  3. Cloudera Recommends HDD but dedicated disk for Reports Manager

Answer: 1,3 

Exp: The Reports Manager fetches the fsimage from the NameNode at regular intervals. It reads the fsimage and creates a Lucene index for it. To improve the indexing performance, Cloudera recommends provisioning a host as powerful as possible and dedicating an SSD disk to the Reports Manager. And recommended configuration is as below  


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