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Re: Incresing map reduce tasks will increse the time of the cpu does this seem to be correct - Hive - [mail # user]
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...Ok, but if i would search a solution faor warehousing big data, it s rather hive a best solution actually. I know that facebook uses Hive. 2012/12/13 Mohammad Tariq ...
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Author: imen Megdiche,
2012-12-13, 14:28
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Re: Incresing map reduce tasks will increse the time of the cpu does this seem to be correct - Hive - [mail # user]
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...I don t understand why you mean with "Same holds good for Hive or Pig" , do you mean i would rather compare datawarehouses with hive or Pig. Great, you help me so much. Mohammad....
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Author: imen Megdiche,
2012-12-13, 14:21
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Re: Incresing map reduce tasks will increse the time of the cpu does this seem to be correct - Hive - [mail # user]
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...thank you for your explanantions. I work in a pseudo distributed mode and not in cluster. Does your recommendation are also available in this mode and how can i do to have an exe...
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Author: imen Megdiche,
2012-12-13, 12:55
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Incresing map reduce tasks will increse the time of the cpu does this seem to be correct - Hive - [mail # user]
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...Hello, I am trying to increase the number of map and reduce tasks for a job and even for the same data size, I noticed that the total time CPU increases but I thought it would decrease...
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Author: imen Megdiche,
2012-12-13, 10:31
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Re: Modify the number of map tasks - Hive - [mail # user]
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...have you a page in which you explain the steps. 2012/12/12 Mohammad Tariq ...
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Author: imen Megdiche,
2012-12-12, 15:25
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Re: Modify the number of map tasks - Hive - [mail # user]
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...have you please commented the configuration of hadoop on cluster thanks 2012/12/12 Mohammad Tariq ...
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Author: imen Megdiche,
2012-12-12, 14:15
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Re: Modify the number of map tasks - Hive - [mail # user]
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...thank you very much you re awsome. Fixed 2012/12/12 Mohammad Tariq ...
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Author: imen Megdiche,
2012-12-12, 14:01
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Re: Modify the number of map tasks - Hive - [mail # user]
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...I changed the files now when i run i have this response : 12/12/12 14:37:33 INFO ipc.Client: Retrying connect to server: localhost/ 127.0.0.1:9001. Already tried 0 time(s). 12/12/12 14...
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Author: imen Megdiche,
2012-12-12, 13:38
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Re: Modify the number of map tasks - Hive - [mail # user]
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...For mapred-site.xml : mapred.map.tasks 6 for core-site.xml : fs.default.name hdfs://localhost:9100 --> on hdfs-site.xml ...
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Author: imen Megdiche,
2012-12-12, 13:16
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Re: Modify the number of map tasks - Hive - [mail # user]
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...i run the start-all.sh and all daemons starts without problems. But i the log of the tasktracker look like this : 2012-12-12 13:53:45,495 INFO org.apache.hadoop.mapred.TaskTracker: ST...
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Author: imen Megdiche,
2012-12-12, 13:01
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