Add an ip address mask to rack name java plugin
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Key: HADOOP-3625
URL: https://issues.apache.org/jira/browse/HADOOP-3625
Project: Hadoop Core
Issue Type: Improvement
Components: util
Reporter: Owen O'Malley
Assignee: Owen O'Malley
We should have a plugin that implements DNSToSwitchMapping with a configurable
netmask that defines the rack. Therefore, if you use the high 26 bits to
determine your switch, you could configure it with "ff.ff.ff.c0"
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