Hadoop配置机架感知(python脚本)
#!/usr/bin/python #-*-coding:UTF-8 -*-import sys
rack = {"hadoop-node-31":"rack1",
"hadoop-node-32":"rack1",
"hadoop-node-33":"rack1",
"hadoop-node-34":"rack1",
"hadoop-node-49":"rack2",
"hadoop-node-50":"rack2",
"hadoop-node-51":"rack2",
"hadoop-node-52":"rack2",
"hadoop-node-53":"rack2",
"hadoop-node-54":"rack2",
"192.168.1.31":"rack1",
"192.168.1.32":"rack1",
"192.168.1.33":"rack1",
"192.168.1.34":"rack1",
"192.168.1.49":"rack2",
"192.168.1.50":"rack2",
"192.168.1.51":"rack2",
"192.168.1.52":"rack2",
"192.168.1.53":"rack2",
"192.168.1.54":"rack2",
}
if __name__=="__main__":
print "/" + rack.get(sys.argv,"rack0")
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