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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.
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