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[MAPREDUCE-4950] MR App Master fails to write the history due to AvroTypeException - MapReduce - [issue]
...2013-01-19 19:31:27,269 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler: In stop, writing event MAP_ATTEMPT_STARTED2013-01-19 19:31:27,269 ...
http://issues.apache.org/jira/browse/MAPREDUCE-4950    Author: Devaraj K, 2014-02-24, 11:17
[MAPREDUCE-5409] MRAppMaster throws InvalidStateTransitonException: Invalid event: TA_TOO_MANY_FETCH_FAILURE at KILLED for TaskAttemptImpl - MapReduce - [issue]
...2013-07-23 12:28:05,217 INFO [IPC Server handler 29 on 50796] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1374560536158_0003_m_000040_0 is : 0.02013-07-...
http://issues.apache.org/jira/browse/MAPREDUCE-5409    Author: Devaraj K, 2013-12-06, 13:41
Re: XML parsing in Hadoop - MapReduce - [mail # user]
...Hi,  Here this map() function will be called for every (key,value) pair (i.e. for every line of split in your Job because of TextInputFormat). This xml parsing code which you have writt...
   Author: Devaraj K, 2013-11-28, 08:09
Re: default capacity scheduler only one job in running status - MapReduce - [mail # user]
...Could you check the below configuration in capacity-scheduler.xml, whether is it causing to run only one AM.       yarn.scheduler.capacity.maximum-am-resource-percent   &...
   Author: Devaraj K, 2013-11-26, 09:35
[MAPREDUCE-5622] MRAppMaster doesn't assign all allocated NODE_LOCAL containers to node-local maps - MapReduce - [issue]
...MRAppMaster will request containers for all the splits to launch map tasks, RM will give Node Local containers for all these if available. When the RM gives all containers as Node Local, MR ...
http://issues.apache.org/jira/browse/MAPREDUCE-5622    Author: Devaraj K, 2013-11-13, 15:40
[MAPREDUCE-5358] MRAppMaster throws invalid transitions for JobImpl - MapReduce - [issue]
...2013-06-26 11:39:50,128 ERROR [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl: Can't handle this event at current stateorg.apache.hadoop.yarn.state.Invali...
http://issues.apache.org/jira/browse/MAPREDUCE-5358    Author: Devaraj K, 2013-09-25, 00:33
[MAPREDUCE-5174] Job History server gives wrong no of total maps and reducers - MapReduce - [issue]
...History server displays wrong no of total maps and total reducers in JHS UI Job listing for non-succeeded jobs and also REST API (i.e http://<job history ip><port>/ws/v1/history/...
http://issues.apache.org/jira/browse/MAPREDUCE-5174    Author: Devaraj K, 2013-08-05, 08:05
[MAPREDUCE-2648] High Availability for JobTracker - MapReduce - [issue]
...In Hadoop cluster, JobTracker is responsible for managing the life cycle of MapReduce jobs. If JobTracker fails, then MapReduce service will not be available until JobTracker is restarted. W...
http://issues.apache.org/jira/browse/MAPREDUCE-2648    Author: Devaraj K, 2013-07-29, 07:47
[MAPREDUCE-5422] [Umbrella] Fix invalid state transitions in MRAppMaster - MapReduce - [issue]
...There are mutiple invalid state transitions for the state machines present in MRAppMaster. All these can be handled as part of this umbrell JIRA....
http://issues.apache.org/jira/browse/MAPREDUCE-5422    Author: Devaraj K, 2013-07-26, 12:49
[MAPREDUCE-5335] Rename Job Tracker terminology in ShuffleSchedulerImpl - MapReduce - [issue]
...2013-06-17 17:27:30,134 INFO [fetcher#2] org.apache.hadoop.mapreduce.task.reduce.ShuffleScheduler: Reporting fetch failure for attempt_1371467533091_0005_m_000010_0 to jobtracker.ShuffleSche...
http://issues.apache.org/jira/browse/MAPREDUCE-5335    Author: Devaraj K, 2013-07-03, 08:14
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