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[MAPREDUCE-6190] MR Job is stuck because of one mapper stuck in STARTING - MapReduce - [issue]
...Trying to figure out a weird issue we started seeing on our CDH5.1.0 cluster with map reduce jobs on YARN.We had a job stuck for hours because one of the mappers never started up fully. Basi...
http://issues.apache.org/jira/browse/MAPREDUCE-6190    Author: Ankit Malhotra, 2015-08-19, 16:20
[MAPREDUCE-4740] only .jars can be added to the Distributed Cache classpath - MapReduce - [issue]
...Koji tracked down this one.$ cat mycat.sh#!/bin/shcat >& /dev/null$JAVA_HOME/bin/jinfo $PPID | grep java.class.pathexport | grep CLASSPATHls -l $ myfile=/user/me/myclasses.zip; yarn j...
http://issues.apache.org/jira/browse/MAPREDUCE-4740    Author: Robert Joseph Evans, 2015-08-19, 01:16
[MAPREDUCE-5490] MapReduce doesn't set the environment variable for children processes - MapReduce - [issue]
...Currently, MapReduce uses the command line argument to pass the classpath to the child. This breaks if the process forks a child that needs the same classpath. Such a case happens in Hive wh...
http://issues.apache.org/jira/browse/MAPREDUCE-5490    Author: Owen OMalley, 2015-08-18, 19:19
[MAPREDUCE-6453] Repeatable Input File Format - MapReduce - [issue]
...We are interested in running the training process of deep learning architectures on Hadoop clusters. We developed an algorithm that can carry out this training process in a MapReduce fashion...
http://issues.apache.org/jira/browse/MAPREDUCE-6453    Author: AbdulRahman AlHamali, 2015-08-17, 17:59
A proposal for Repeatable input file format (MAPREDUCE-6453) - MapReduce - [mail # dev]
...Hello all,Our names are AbdulRahman AlHamali and MHD Shaker Saad,We've been using Hadoop for a while to run experiments on using Map Reduceto parallelize the training process of deep learnin...
   Author: AbdulRahman AlHamali, 2015-08-17, 17:36
[MAPREDUCE-6439] AM may fail instead of retrying if RM shuts down during the allocate call - MapReduce - [issue]
...We are seeing cases where MR AM gets a YarnRuntimeException thats thrown in RM and gets sent back to AM causing it to think that it has exhausted the number of retries. Copying the error whi...
http://issues.apache.org/jira/browse/MAPREDUCE-6439    Author: Anubhav Dhoot, 2015-08-15, 15:40
[MAPREDUCE-5817] Mappers get rescheduled on node transition even after all reducers are completed - MapReduce - [issue]
...We're seeing a behavior where a job runs long after all reducers were already finished. We found that the job was rescheduling and running a number of mappers beyond the point of reducer com...
http://issues.apache.org/jira/browse/MAPREDUCE-5817    Author: Sangjin Lee, 2015-08-15, 15:40
Re: Hadoop 2.6.1 Release process thread - MapReduce - [mail # dev]
...The HADOOP-10786 patch is compatible with JDK 6.  This was a point ofdiscussion during the original development of the patch.  If you'd likefull details, please see the comments th...
   Author: Chris Nauroth, 2015-08-14, 16:35
[MAPREDUCE-6450] mapreduce.job.log4j-properties-file does not work for files on classpath - MapReduce - [issue]
...JobSubmitter.addLog4jToDistributedCache checks whether MRJobConfig.MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE is set, and tries to put it in the distributed cache if it is set:    String ...
http://issues.apache.org/jira/browse/MAPREDUCE-6450    Author: Ben Podgursky, 2015-08-13, 15:36
[MAPREDUCE-6443] Add JvmPauseMonitor to Job History Server - MapReduce - [issue]
...We should add the JvmPauseMonitor from HADOOP-9618 to the Job History Server....
http://issues.apache.org/jira/browse/MAPREDUCE-6443    Author: Robert Kanter, 2015-08-13, 04:17
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB