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[MAPREDUCE-5258] Memory Leak while using LocalJobRunner - MapReduce - [issue]
...Every-time a LocalJobRunner is launched it creates JobTrackerInstrumentation and QueueMetrics.While creating this MetricsSystem ; it registers and adds a Callback to ArrayList which keeps on...    Author: Subroto Sanyal , 2015-05-06, 03:26
[MAPREDUCE-3120] JobHistory is not providing correct count failed,killed task - MapReduce - [issue]
...Please refer the attachment JobFail.PNG.Here the Job (WordCount) Failed as all Map Attempts were killed(intensionally) but, still the Table in UI shows 0 Killed Attempts and no reason for Fa...    Author: Subroto Sanyal , 2015-03-16, 20:08
[MAPREDUCE-4280] LocalJobRunner doesn't honor custom OutputCommiter cleanupJob - MapReduce - [issue]
...I have an implementation SampleFileOutputCommiter which extends org.apache.hadoop.mapred.FileOutputCommitter . The implementation has specific code to be executed during cleanupJob() executi...    Author: Subroto Sanyal , 2013-05-14, 05:14
[MAPREDUCE-4319] MRClientProtocolPBClientImpl creates proxy for AM ignoring custom SocketFactory - MapReduce - [issue]
...Use a Customized socket factory and set in the configuration.The constructor of MRClientProtocolPBClientImpl creates proxy with DefaultSocketFactorypublic static <T> ProtocolProxy<T...    Author: Subroto Sanyal , 2012-06-06, 14:47
[MAPREDUCE-4281] LocalJobRunner doesn't handle Jobs using o.a.h.mapreduce.OutputCommitter - MapReduce - [issue]
...Backport MAPREDUCE-3563 for 1.0 version...    Author: Subroto Sanyal , 2012-05-23, 12:13
[MAPREDUCE-3391] Connecting to CM is logged as Connecting to RM - MapReduce - [issue]
...In class org.apache.hadoop.yarn.applications.distributedshell.ApplicationMasterprivate void connectToCM() {      String cmIpPortStr = container.getNodeId().getHost() + ":" &nb...    Author: Subroto Sanyal , 2012-03-05, 02:49
[MAPREDUCE-3516] Possible NPE in org.apache.hadoop.mapred.MapTask.MapOutputBuffer.collect(K key, V value, int partition) - MapReduce - [issue] accepts a pair of Key and Value. There is chance that if somehow if a Null value or Key is passed to the method, we can end up having...    Author: Subroto Sanyal , 2012-01-23, 12:21
[MAPREDUCE-3114] Invalid ApplicationMaster URL in Applications Page - MapReduce - [issue]
...When the Application is in Accepted state and user tries to click the ApplicationMaster URL in Applications Page, it ends up in Invalid HTTP URL. The screenshot attached with this Issue make...    Author: Subroto Sanyal , 2011-11-15, 00:48
[MAPREDUCE-3109] NPE exception in the TestClass org.apache.hadoop.yarn.server.resourcemanager.Application - MapReduce - [issue]
...Method List<Container> org.apache.hadoop.yarn.server.resourcemanager.Application.getResources() throws IOException throws NPE. This is causing TestCases to fail like:void org.apache.ha...    Author: Subroto Sanyal , 2011-11-15, 00:48
Reducer hanged in call - MapReduce - [mail # dev]
...Our application is waiting on this piece of code for more than 37 hours. Following is the thread which is stuck:  This is the Reducer's GetMapCompletionEvent thread. All the Map task ar...
   Author: Subroto Sanyal , 2011-10-24, 11:59