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Hive, mail # user - very quick if i query hdfs data ,but very slow when i query hbase data ,why?


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very quick if i query hdfs data ,but very slow when i query hbase data ,why?
ch huang 2013-09-11, 05:45
hi,all:
   i have a question ,when my table data is on hdfs,it's very quick,but
when table data on hbase ,it's very slow when i query use hive,why?