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[MAPREDUCE-4788] Job are marking as FAILED even if there are no failed tasks in it - MapReduce - [issue]
...Sometimes Jobs are marking as FAILED and some the tasks are marking as KILLED in it. In MRAppMaster, JobFinishEvent is triggering and waiting for the 5000 millis. If any tasks final state is...
http://issues.apache.org/jira/browse/MAPREDUCE-4788    Author: Devaraj K, 2013-06-19, 06:07
RE: Get the history info in Yarn - MapReduce - [mail # user]
...Hi,         You can get all the details for Job using this mapred command         For this you need to have Job History Server Running and the same jo...
   Author: Devaraj K, 2013-06-13, 05:41
[MAPREDUCE-4743] Job is marking as FAILED and also throwing the Transition exception instead of KILLED when issues a KILL command - MapReduce - [issue]
...org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: T_KILL at SUCCEEDED at org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:301)...
http://issues.apache.org/jira/browse/MAPREDUCE-4743    Author: Devaraj K, 2013-06-07, 13:06
[MAPREDUCE-5195] Job doesn't utilize all the available cluster resources with CombineFileInputFormat - MapReduce - [issue]
...If we enable delay scheduling in capacity scheduler and the submitted job is using CombineFileInputFormat then this job is not able to use the all the available resources in the cluster, run...
http://issues.apache.org/jira/browse/MAPREDUCE-5195    Author: Devaraj K, 2013-04-30, 14:24
[MAPREDUCE-4286] TestClientProtocolProviderImpls passes on failure conditions also - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4286    Author: Devaraj K, 2013-01-17, 13:17
[MAPREDUCE-3232] AM should  handle reboot from Resource Manager - MapReduce - [issue]
...When the RM doesn't have last response id for app attempt(or the request response id is less than the last response id), RM sends reboot response but AM doesn't handle this....
http://issues.apache.org/jira/browse/MAPREDUCE-3232    Author: Devaraj K, 2013-01-17, 13:14
[MAPREDUCE-3556] Resource Leaks in key flows - MapReduce - [issue]
...MapTask.java   if (combinerRunner == null || numSpills < minSpillsForCombine) {            Merger.writeFile(kvIter, writer, reporter, job...
http://issues.apache.org/jira/browse/MAPREDUCE-3556    Author: Devaraj K, 2013-01-17, 13:12
[MAPREDUCE-2562] NullPointerException in Jobtracker when it is started without Name Node - MapReduce - [issue]
...It is throwing NullPointerException in job tracker logs when job tracker is started without NameNode.Bar.java2011-06-03 01:50:04,304 INFO org.apache.hadoop.ipc.Client: Retrying connect to se...
http://issues.apache.org/jira/browse/MAPREDUCE-2562    Author: Devaraj K, 2013-01-17, 13:08
[MAPREDUCE-2548] Log improvements in DBOutputFormat.java and CounterGroup.java - MapReduce - [issue]
...1. Instead of the printing the stack trace on the console, It can be logged. DBOutputFormat.java    public void write(K key, V value) throws IOException {     &...
http://issues.apache.org/jira/browse/MAPREDUCE-2548    Author: Devaraj K, 2013-01-17, 13:07
[MAPREDUCE-2309] While querying the Job Statics from the command-line, if we give wrong status name then there is no warning or response. - MapReduce - [issue]
...If we try to get the jobs information by giving the wrong status name from the command line interface, it is not giving any warning or response....
http://issues.apache.org/jira/browse/MAPREDUCE-2309    Author: Devaraj K, 2013-01-17, 13:06
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