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In Ambari, HDFS > Configs > Advanced > Custom hdfs-site, Add the following properties.
dfs.namenode.servicerpc-address=<namenodehost>:8021
ipc.8020.callqueue.impl=org.apache.hadoop.ipc.FairCallQueue
ipc.8020.backoff.enable=true
ipc.8020.scheduler.impl=org.apache.hadoop.ipc.DecayRpcScheduler
ipc.8020.scheduler.priority.levels=3
ipc.8020.decay-scheduler.backoff.responsetime.enable=true
ipc.8020.decay-scheduler.backoff.responsetime.thresholds=10,20,30
Things to Consider
client port : 8020 (if different, replace it with appropriate port in all keys)Things to consider:
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