hadoop fs -cp hdfs://10.254.20.126:9000/datalog/stats/gz/2017/03 hdfs://10.254.32.18:9000/user/huiyuanHuang/3test/
两集群之间要求可以通信
hbase数据迁移：
bin/hbase org.apache.hadoop.hbase.mapreduce.Driver import newUser /user/huiyuanHuang/hbase/newUser
bin/hbase org.apache.hadoop.hbase.mapreduce.Driver export newUser /user/huiyuanHuang/hbase/newUser
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