Ambari: Rebalance HDFS from Ambari API

gistfile1.md

POST /api/v1/clusters/hdp/requests

{
  "RequestInfo": {
    "context": "Rebalance HDFS",
    "command": "REBALANCEHDFS",
    "namenode": "{\"threshold\":\"10\"}"
  },
  "Requests/resource_filters": [
    {
      "service_name": "HDFS",
      "component_name": "NAMENODE",
      "hosts": "host01.foobar.local"
    }
  ]
}

Variables to change:

• threshold: https://hadoop.apache.org/docs/r2.7.0/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#balancer
• hosts: the NameNode name node