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DirectoryScanner's OutOfMemoryError - MapReduce - [mail # user]
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...Hi All I have found that the DirectoryScanner gets error: Error compiling report because of java.lang.OutOfMemoryError: Java heap space. The log details are as [1]...
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Author: YouPeng Yang,
2013-06-07, 15:03
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what is the Interval of BlockPoolSliceScanner. - MapReduce - [mail # user]
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...Hi all I find that when datanode startup it will run BlockPoolSliceScanner to verificate the BP. What is the Interval of BlockPoolSliceScanner, and when does the B...
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Author: YouPeng Yang,
2013-06-07, 14:56
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Exception comes out with the override option in CompositeInputFormat - MapReduce - [mail # user]
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...Hi All I‘m trying the CompositeInputFormat to perform the Map-side join。 The outer and inner join go well. However I try the override option .It come out an exception[1]: ...
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Author: YouPeng Yang,
2013-05-19, 08:44
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FileNotFoundException When DistributedCache file with YARN - MapReduce - [mail # user]
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...HI I adopt distributed cache to implement the semi-joins. I am using CDH4.1.2 the Map side setup function is as [1]: It works well in my eclipse indigo...
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Author: YouPeng Yang,
2013-05-13, 08:35
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issues with decrease the default.block.size - MapReduce - [mail # user]
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...hi ALL I am going to setup a new hadoop environment, .Because of there are lots of small files, I would like to change the defa...
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Author: YouPeng Yang,
2013-05-09, 15:42
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Re: Relations ship between HDFS_BYTE_READ and Map input bytes - MapReduce - [mail # user]
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...Hi Pralabh * * 1.The Map input bytes couter belongs to the MapReduce FrameWork. The hadoop defintive explains that: The number of bytes of uncompressed input consum...
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Author: YouPeng Yang,
2013-04-30, 10:33
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Re: ganglia net URL unavailable - MapReduce - [mail # user]
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...Hi S, Manoj and Olivier It still does not work ,Maybe it was blocked by the fireware.I will go through another way. Thank you Regards 2013...
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Author: YouPeng Yang,
2013-04-22, 08:55
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ganglia net URL unavailable - MapReduce - [mail # user]
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...Hi Sorry to post the question. I want to download the ganglia software, however the URL ( http://ganglia.sourceforge.net/) seems unavailable . Is there information...
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Author: YouPeng Yang,
2013-04-22, 07:50
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Map‘s number with NLineInputFormat - MapReduce - [mail # user]
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...Hi All I take NLineInputFormat as the Text Input Format with the following code NLineInputFormat.setNumLinesPerSplit(job, 10); NLineInputFormat.addInputPath(jo...
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Author: YouPeng Yang,
2013-04-19, 16:30
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Re: No bulid.xml when to build FUSE - MapReduce - [mail # user]
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...Hi Harsh Sorry for replying so later. I still get some errors. After I run the command under hadoop-hdfs project： *mvn install -D...
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Author: YouPeng Yang,
2013-04-12, 14:36
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