Ajay Kumar created HDFS-12545:
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Summary: Autotune NameNode RPC handler threads according to number
of datanodes in cluster
Key: HDFS-12545
URL: https://issues.apache.org/jira/browse/HDFS-12545
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ajay Kumar
Assignee: Ajay Kumar
Autotune NameNode RPC handler threads according to number of datanodes in
cluster. Currently rpc handler are controlled by {{dfs.namenode.handler.count}}
on cluster start. Jira is to discuss best way to auto tune it according to no
of datanodes. Updating this to {{max(dfs.namenode.handler.count, min(200,20 *
log2(no of datanodes)))}} on NameNode start is one possible way.
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