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Hive >> mail # user >> hive query is very slow,why?


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hive query is very slow,why?
i wait long time,no result ,why hive is so slow?

hive> select cookie,url,ip,source,vsid,token,residence,edate from
hb_cookie_history where edate>='1371398400500' and edate<='1371400200500';
Total MapReduce jobs = 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job = job_1374138311742_0007, Tracking URL http://CH22:8088/proxy/application_1374138311742_0007/<http://ch22:8088/proxy/application_1374138311742_0007/>
Kill Command = /usr/lib/hadoop/bin/hadoop job  -kill job_1374138311742_0007