Suresh Srinivas created HDFS-4465:
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Summary: Optimize datanode ReplicasMap and ReplicaInfo
Key: HDFS-4465
URL: https://issues.apache.org/jira/browse/HDFS-4465
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Reporter: Suresh Srinivas
Assignee: Suresh Srinivas
In Hadoop a lot of optimization has been done in namenode data structures to be
memory efficient. Similar optimizations are necessary for Datanode process.
With the growth in storage per datanode and number of blocks hosted on
datanode, this jira intends to optimize long lived ReplicasMap and ReplicaInfo
objects.
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