[HDFS-2568] Use a set to manage child sockets in XceiverServer

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 0.23.1
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Harsh J
• Reporter: Harsh J
• Created: 19/Nov/11 18:57
• Updated: 10/Mar/15 04:36
• Resolved: 20/Nov/11 04:15

Description

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.