Assuming a cluster running HDFS, MapReduce version 2 (MRv2) on YARN with all settings at their default, what do you need to do when adding a new slave node to cluster?

Question

Options

• ANothing, other than ensuring that the DNS (or/etc/hosts files on all machines) contains any entry
• BRestart the NameNode and ResourceManager daemons and resubmit any running jobs.
• CAdd a new entry to /etc/nodes on the NameNode host.
• DRestart the NameNode of dfs.number.of.nodes in hdfs-site.xml

• A
  75% (30)
• B
  8% (3)
• C
  3% (1)
• D
  15% (6)

Explanation

_ cluster.3B_how_do_I_start_services_on_just_one_node.3F

No community discussion yet for this question.