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Re: issue with permissions of mapred.system.dir - MapReduce - [mail # user]
...Robin  I will try to investigate the issue with fair scheduler. Do let us know  if switching to default or the capacity scheduler solved the issue.  Arpit Gupta Hortonworks In...
   Author: Arpit Gupta, 2012-10-10, 16:35
Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue. - MapReduce - [mail # user]
... i would recommended using the oracle jdk. Also i tried your configs on a  single node setup of 1.0.3 and the mr jobs went through. So i suspect  this is something specific to...
   Author: Arpit Gupta, 2012-10-08, 15:29
[MAPREDUCE-4675] TestKillSubProcesses fails as the process is still alive after the job is done - MapReduce - [issue]
...I ran this test in branch 1 and branch 1.1 and they both failed with the followingTestcase: testJobKillFailAndSucceed took 82.219 sec        FAILEDnulljunit.framewor...
http://issues.apache.org/jira/browse/MAPREDUCE-4675    Author: Arpit Gupta, 2012-09-24, 23:40
[MAPREDUCE-4673] make TestRawHistoryFile and TestJobHistoryServer more robust - MapReduce - [issue]
...these unit tests fail if 2 different users run them on the same host as they are using /tmp/input pathfollowing is the info from the test logtestcase classname="org.apache.hadoop.mapred.Test...
http://issues.apache.org/jira/browse/MAPREDUCE-4673    Author: Arpit Gupta, 2012-09-24, 20:45
Re: No 32-bit taskcontroller on Hadoop 1.0.3 - MapReduce - [mail # user]
...Take a look at  http://hadoop.apache.org/docs/r1.0.3/cluster_setup.html  and look for 'Using the LinuxTaskController'  It has the info on what the permission and ownership of ...
   Author: Arpit Gupta, 2012-09-18, 03:29
Re: Accessing image files from hadoop to jsp - MapReduce - [mail # user]
...your browser does not know what an hftp file system is so it wont work.  If you use WebHDFS it has rest api's that you can use to read data from  hdfs. I would suggest look at thos...
   Author: Arpit Gupta, 2012-09-11, 21:00
Re: Error in : hadoop fsck / - MapReduce - [mail # user]
...Yogesh  try this  hadoop fsck -Ddfs.http.address=localhost:50070 /  50070 is the default http port that the namenode runs on. The property  dfs.http.address should be set...
   Author: Arpit Gupta, 2012-09-11, 16:44
Re: datanode has no storageID - MapReduce - [mail # user]
...When the datanode connects with the namenode for the first time it will  register with the namenode and during the registration the of the  datanode the storage id for the datanode...
   Author: Arpit Gupta, 2012-08-28, 17:42
Re: Help for Hadoop 2.0 - MapReduce - [mail # user]
...Hi Chandra  take a look at this   http://hadoop.apache.org/common/docs/current/hadoop-yarn/hadoop-yarn-site/ ClusterSetup.html  you need to add/update the following in your &n...
   Author: Arpit Gupta, 2012-08-21, 19:01
[MAPREDUCE-3782] teragen terasort jobs fail when using webhdfs:// - MapReduce - [issue]
...When running a teragen job with a webhdfs:// url the delegation token that is retrieved is an hdfs delegation token. And the subsequent terasort job on the output fails with java io exceptio...
http://issues.apache.org/jira/browse/MAPREDUCE-3782    Author: Arpit Gupta, 2012-08-10, 05:16
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