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In Ambari, HDFS > Configs > Advanced >  Custom hdfs-site, Add the following properties.

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dfs.namenode.servicerpc-address

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=<namenodehost>:8021

ipc.8020.callqueue.impl

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=org.apache.hadoop.ipc.FairCallQueue

ipc.8020.backoff.enable

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=true

ipc.8020.scheduler.impl

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=org.apache.hadoop.ipc.DecayRpcScheduler

ipc.8020.scheduler.priority.levels

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=3

ipc.8020.decay-scheduler.backoff.responsetime.enable

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=true

ipc.8020.decay-scheduler.backoff.responsetime.thresholds

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=10,20,30


Things to consider:Consider
client port : 8020 (if different, replace it with appropriate port in all keys)Things to consider:

  • service port: 8021 (if different, replace it with appropriate port in first value)
  • namenodehost: needs to be a FQDN.

Once these properties are added, it should look like this.

 

Restart Metrics Collector HDFS & you should see the metrics being emitted. You should now also be able to use the HDFS - Users Dashboard in Grafana.

 

 

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titleService RPC for HA enabled clusters

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