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MVN repository for hadoop trunk - HDFS - [mail # user]
...Hi guys:  Is there a mvn repo for hadoop's "3.0.0" trunk build?  Clearly the hadoop pom.xml allows us to build hadoop from scratch and installs it as 3.0.0-SNAPSHOT -- but its not ...
   Author: Jay Vyas, 2013-04-06, 20:47
Re: cannot find /usr/lib/hadoop/mapred/ - HDFS - [mail # user]
...interesting: The solution was simply to delete the toBeDeleted directory manually:  rm -rf /usr/lib/hadoop/mapred/toBeDeleted/  I guess maybe somehow I changed the privileges of th...
2 emails [+ more]    Author: Jay Vyas, 2013-03-06, 18:33
FileStatus.getPath - HDFS - [mail # user]
...Hi it appears that:  http://hadoop.apache.org/docs/current/api/org/apache/hadoop/fs/FileStatus.html  getPath()  has no defined contract.  Why does FileStatus have a "getP...
   Author: Jay Vyas, 2013-03-05, 18:01
Re: Program trying to read from local instead of hdfs - HDFS - [mail # user]
...One very ugly way to confirm that its a problem with your config is to add the config properties in code. The problem with the Configuration object is it doesnt tell you if the path to the f...
   Author: Jay Vyas, 2013-01-18, 00:16
Re: core-site.xml file is being ignored by new Configuration() - HDFS - [mail # user]
...I agree, but the fact that the configuration is doing the loading, means (i think) that it should (at least) do some error handling for that loading, correct?   On Thu, Jan 17, 2013 at ...
   Author: Jay Vyas, 2013-01-17, 15:49
Configuration object not loading parameters in unit tests - HDFS - [mail # user]
...Hi guys:  I'm trying load some cluster parameters in a unit test, which uses a custom filesystem.  However, my configuration object doesnt seem to be loading:  For example: co...
   Author: Jay Vyas, 2013-01-16, 18:05
Re: FileSystem.workingDir vs mapred.local.dir - HDFS - [mail # user]
...ah okay.  so - in default hadoop dfs, the workingDir is (i beleive) /user/hadoop/ , because as i recall when putting a file into hdfs, that seems to be where the files naturally end up ...
2 emails [+ more]    Author: Jay Vyas, 2013-01-15, 19:09
Re: What is the preferred way to pass a small number of configuration parameters to a mapper or reducer - HDFS - [mail # user]
...the only way to implement B is by doing A (that i know of, at least).  Also, the word "each" is clearly a dead giveaway that B is the wrong answer, since it implies special logic for co...
   Author: Jay Vyas, 2012-12-29, 01:29
Re: DFS and the RecordReader - HDFS - [mail # user]
...This is an excellent explanation  thanks harsh...... Ill diagram this with some details out and share  ...
2 emails [+ more]    Author: Jay Vyas, 2012-12-07, 03:33
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