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[MAPREDUCE-5169] Job recovery fails if job tracker is restarted after the job is submitted but before its initialized - MapReduce - [issue]
...This was noticed when within 5 seconds of submitting a word count job, the job tracker was restarted. Upon restart the job failed to recover...
http://issues.apache.org/jira/browse/MAPREDUCE-5169    Author: Arpit Gupta, 2013-05-06, 05:21
[MAPREDUCE-5198] Race condition in cleanup during task tracker renint with LinuxTaskController - MapReduce - [issue]
...This was noticed when job tracker would be restarted while jobs were running and would ask the task tracker to reinitialize. Tasktracker would fail with an error like013-04-27 20:19:09,627 I...
http://issues.apache.org/jira/browse/MAPREDUCE-5198    Author: Arpit Gupta, 2013-05-01, 22:25
Re: Permission problem - MapReduce - [mail # user]
...Kevin  You will have create a new account if you did not have one before.  Arpit  On Apr 30, 2013, at 9:11 AM, Kevin Burton  wrote:  I don’t see a “create issue” but...
   Author: Arpit Gupta, 2013-04-30, 16:20
Re: Permission problem - MapReduce - [mail # user]
...https://issues.apache.org/jira/browse/HADOOP and select create issue.  Set the affect version to the release you are testing and add some basic description.  Here are the commands ...
   Author: Arpit Gupta, 2013-04-30, 16:01
Re: Permission problem - MapReduce - [mail # user]
...Based on the logs your system dir is set to    what is your fs.default.name and hadoop.tmp.dir in core-site.xml set to?    Arpit Gupta Hortonworks Inc. http://hortonworks...
   Author: Arpit Gupta, 2013-04-30, 14:47
Re: About Windows Installer - MapReduce - [mail # user]
...Take a look at  http://hortonworks.com/blog/putting-the-elephant-in-the-window/  Arpit  On Mar 2, 2013, at 2:45 AM, Mayur Patil  wrote:  Hello,       ...
   Author: Arpit Gupta, 2013-03-02, 18:37
Re: why my test result on dfs short circuit read is slower? - MapReduce - [mail # user]
...Another way to check if short circuit read is configured correctly.  As the user who is configured for short circuit read issue the following command on a node where you expect the data...
   Author: Arpit Gupta, 2013-02-16, 06:05
Re: hftp can list directories but won't send files - MapReduce - [mail # user]
...Robert  Another thing you can try is  export HADOOP_ROOT_LOGGER=DEBUG,console and run the hadoop dfs -cat command with hftp and you should get more logs on the client.   Also ...
   Author: Arpit Gupta, 2012-12-19, 02:01
Re: hftp can list directories but won't send files - MapReduce - [mail # user]
...Hi Robert  Does the cat work for you if you dont use hftp, something like  hadoop fs -cat hdfs://hdenn00.trueffect.com:8020/user/username/logfiles/day_id=19991231/hour_id=199912312...
   Author: Arpit Gupta, 2012-12-18, 22:49
[MAPREDUCE-4749] Killing multiple attempts of a task taker longer as more attempts are killed - MapReduce - [issue]
...The following was noticed on a mr job running on hadoop 1.1.01. Start an mr job with 1 mapper2. Wait for a min3. Kill the first attempt of the mapper and then subsequently kill the other 3 a...
http://issues.apache.org/jira/browse/MAPREDUCE-4749    Author: Arpit Gupta, 2012-12-03, 07:33
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