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Re: MapReduce code location - MapReduce - [mail # user]
...Hi Y. Dong,     Here is for your questions:  1. will hadoop instantiate multiple instances of this class then transmit them to every remote machine? ANSWER:  Each of the ...
   Author: Kun Ling, 2013-08-20, 10:34
Is there any possible way to use hostname variable in mapred-site.xml file - MapReduce - [mail # user]
...Hi all,    I have a Hadoop MapReduce Cluster. In which I want to adjust the mapred.local.dir, so that each TaskTracker can write to a mapred.local.dir with different name. And also...
   Author: Kun Ling, 2013-08-15, 09:26
Re: How to Free-up a Map Slot without Killing the Entire Job? - MapReduce - [mail # dev]
...Hi Sreejith,      the "bin/hadoop" script provide an option to kill the task by running "bin/hadoop job -kill-task ". It seems helpful to you.      Here is how ...
   Author: Kun Ling, 2013-06-29, 01:42
Re: MapReduce on Local FileSystem - MapReduce - [mail # user]
...Hi Agarwal,    I once have similar questions, and have done some experiment. Here is my experience: 1. For some applications over MR, like HBase, Hive, which does not need to submi...
   Author: Kun Ling, 2013-06-04, 06:48
Re: Shuffle phase replication factor - MapReduce - [mail # user]
...Hi John,      1. for the number of  simultaneous connection limitations. You can configure this using the mapred.reduce.parallel.copies flag. the default  is 5. &nbs...
   Author: Kun Ling, 2013-05-23, 01:50
[expand - 1 more] - Re: How is sharing done in HDFS ? - MapReduce - [mail # user]
...Hi Agarwal,     Thanks to Harsh J's reply. I have found the following code( based on hadoop-1.0.4)  that may give you some help:     localizedJobTokenFile() in TaskT...
   Author: Kun Ling, 2013-05-22, 09:41
Re: recursive list in java without block - MapReduce - [mail # user]
...Hi Ankit,     Following Harsh's advice, I have found out that: although none of the FileSystem.java and DistributedFileSystem.java have support recursively liststatus().   How...
   Author: Kun Ling, 2013-05-17, 09:18
Re: cloudera4.2 source code ant - MapReduce - [mail # user]
...Hi dylan,       I have not build CDH source code using ant, However I have met a similar dependencies resolve filed problem.      Acccording to my experience, &...
   Author: Kun Ling, 2013-05-17, 09:06
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