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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?
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?
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB