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In which configuration file to configure the "fs.inmemory.size.mb" parameter? - Hadoop - [mail # user]
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...Hi all, I looked through the "Cluster Setup" guide under link http://hadoop.apache.org/common/docs/r0.20.1/cluster_setup.html and found there's a "fs.inmemory.size.mb" parameter for sp...
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Author: Yu Li,
2010-07-01, 07:42
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Re: Dynamically set mapred.tasktracker.map.tasks.maximum from inside a job. - Hadoop - [mail # user]
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...Hi Pierre, The "setNumReduceTasks" method is for setting the number of reduce tasks to launch, it's equal to set the "mapred.reduce.tasks" parameter, while the "mapred.tasktracker.redu...
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Author: Yu Li,
2010-06-30, 13:56
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Re: Question about disk space allocation in hadoop - Hadoop - [mail # user]
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...Hi Steve and Vitaliy, Thanks a lot for your answers, and thanks for Vitaliy's suggestion, I'll send questions to relevant mailing list:) Best Regards, Carp 2010/6/30 Vitaliy Semo...
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Author: Yu Li,
2010-06-30, 13:33
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Re: Question about disk space allocation in hadoop - Hadoop - [mail # user]
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...Hi all, Anybody has experience on this? Any Comments/Suggestions would be highly appreciated, Thanks. Best Regards, Carp 2010/6/29 Yu Li :...
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Author: Yu Li,
2010-06-30, 03:10
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Question about disk space allocation in hadoop - Hadoop - [mail # user]
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...Hi all, As we all know, machines in hadoop cluster may be both datanode and tasktracker, so one machine may store both MR job intermediate data and HDFS data. My question is: if we hav...
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Author: Yu Li,
2010-06-29, 04:32
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Re: No lease on... - Hadoop - [mail # user]
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...Hi all, Sorry for bother, but I could not send mail to this mailing list directly, just trying to reply... I've met with the error message "552 552 spam score (8.0) exceeded threshold ...
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Author: Yu Li,
2010-06-28, 08:03
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Re: Questions about recommendation value of the "io.sort.mb" parameter - Hadoop - [mail # dev]
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...Hi Todd, Thanks a lot for your detailed explanation and recommendation, it really helps a lot! Best Regards, Carp 2010/6/26 Todd Lipcon ad [EMAIL PROTECTED]>写道： y...
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Author: Yu Li,
2010-06-26, 09:18
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Re: Questions about recommendation value of the "io.sort.mb" parameter - Hadoop - [mail # dev]
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...Hi Todd, Sorry for bother again, could you further explain what's the 24 bytes additional overhead for each record of map output? What cost the overhead and what it is for? Thanks a lo...
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Author: Yu Li,
2010-06-25, 18:57
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Re: Questions about recommendation value of the "io.sort.mb" parameter - Hadoop - [mail # dev]
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...Hi Todd, Thanks a lot for your further explanation! It makes me more clear about thi s parameter. BTW, please allow me to express my thankfulness to everyone helps. Best Re...
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Author: Yu Li,
2010-06-24, 00:42
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