Use a set to manage child sockets in XceiverServer
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Key: HDFS-2568
URL: https://issues.apache.org/jira/browse/HDFS-2568
Project: Hadoop HDFS
Issue Type: Improvement
Components: data-node
Affects Versions: 0.24.0
Reporter: Harsh J
Priority: Trivial
Fix For: 0.24.0
Found while reading up for HDFS-2454, currently we maintain childSockets in a
DataXceiverServer as a Map<Socket,Socket>. This can very well be a Set<Socket>
data structure -- since the goal is easy removals.
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