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[Hive] hive真是慢 [复制链接]

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发表于 2013-12-17 14:24 |显示全部楼层

  1. hive> select * from pokes;
  2. OK
  3. 1       redtao
  4. 3       blacktao
  5. 4       fangk
  6. Time taken: 9.728 seconds, Fetched: 3 row(s)
  7. hive>
  8. hive> select * from pokes where foo=3;
  9. Total MapReduce jobs = 1
  10. Launching Job 1 out of 1
  11. Number of reduce tasks is set to 0 since there's no reduce operator
  12. Starting Job = job_201312091541_0020, Tracking URL = http://mysql3:50030/jobdetails.jsp?jobid=job_201312091541_0020
  13. Kill Command = /home/hadoop/hadoop/libexec/../bin/hadoop job  -kill job_201312091541_0020
  14. Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 0
  15. 2013-12-17 14:21:52,964 Stage-1 map = 0%,  reduce = 0%
  16. 2013-12-17 14:22:00,063 Stage-1 map = 100%,  reduce = 0%, Cumulative CPU 1.59 sec
  17. 2013-12-17 14:22:01,279 Stage-1 map = 100%,  reduce = 0%, Cumulative CPU 1.59 sec
  18. 2013-12-17 14:22:02,376 Stage-1 map = 100%,  reduce = 0%, Cumulative CPU 1.59 sec
  19. 2013-12-17 14:22:03,631 Stage-1 map = 100%,  reduce = 0%, Cumulative CPU 1.59 sec
  20. 2013-12-17 14:22:05,571 Stage-1 map = 100%,  reduce = 0%, Cumulative CPU 1.59 sec
  21. MapReduce Total cumulative CPU time: 1 seconds 590 msec
  22. Ended Job = job_201312091541_0020
  23. MapReduce Jobs Launched:
  24. Job 0: Map: 1   Cumulative CPU: 1.59 sec   HDFS Read: 235 HDFS Write: 11 SUCCESS
  25. Total MapReduce CPU Time Spent: 1 seconds 590 msec
  26. OK
  27. 3       blacktao
  28. Time taken: 84.645 seconds, Fetched: 1 row(s)
  29. hive>
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