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[MAPREDUCE-6439] AM may fail instead of retrying if RM is restarting/shutting 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, 2015-08-04, 16:25
[MAPREDUCE-6441] LocalDistributedCacheManager for concurrent sqoop processes fails to create unique directories - MapReduce - [issue]
...Kicking off many sqoop processes in different threads results in:2014-08-01 13:47:24 -0400:  INFO - 14/08/01 13:47:22 ERROR tool.ImportTool: Encountered IOException running import job: ...
http://issues.apache.org/jira/browse/MAPREDUCE-6441    Author: William Watson, 2015-08-04, 14:50
[MAPREDUCE-6240] Hadoop client displays confusing error message - MapReduce - [issue]
...Hadoop client often throws exception  with "java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addres...
http://issues.apache.org/jira/browse/MAPREDUCE-6240    Author: Mohammad Kamrul Islam, 2015-08-04, 09:25
[MAPREDUCE-6166] Reducers do not validate checksum of map outputs when fetching directly to disk - MapReduce - [issue]
...In very large map/reduce jobs (50000 maps, 2500 reducers), the intermediate map partition output gets corrupted on disk on the map side. If this corrupted map output is too large to shuffle ...
http://issues.apache.org/jira/browse/MAPREDUCE-6166    Author: Eric Payne, 2015-08-03, 21:13
[MAPREDUCE-5649] Reduce cannot use more than 2G memory  for the final merge - MapReduce - [issue]
...In the org.apache.hadoop.mapreduce.task.reduce.MergeManagerImpl.java file, in the finalMerge method:  int maxInMemReduce = (int)Math.min(        Runtime.getRunt...
http://issues.apache.org/jira/browse/MAPREDUCE-5649    Author: stanley shi, 2015-08-03, 21:13
[MAPREDUCE-6300] Task list sort by task id broken - MapReduce - [issue]
...If you go to the MapReduce ApplicationMaster or HistoryServer UI and open the list of tasks, then try to sort by the task name/id, it does nothing.Note that if you go to the task attempts, t...
http://issues.apache.org/jira/browse/MAPREDUCE-6300    Author: Siqi Li, 2015-08-03, 21:11
[MAPREDUCE-6238] MR2 can't run local jobs with -libjars command options which is a regression from MR1 - MapReduce - [issue]
...MR2 can't run local jobs with -libjars command options which is a regression from MR1. When run MR2 job with -jt local and -libjars, the job fails with java.io.FileNotFoundException: File do...
http://issues.apache.org/jira/browse/MAPREDUCE-6238    Author: zhihai xu, 2015-08-03, 21:10
[MAPREDUCE-6442] Stack trace missing for client protocol provider creation error - MapReduce - [issue]
...when provider creation fail dump the stack trace rather than just print out the message...
http://issues.apache.org/jira/browse/MAPREDUCE-6442    Author: Chang Li, 2015-08-03, 18:42
[MAPREDUCE-6434] Add support for PartialFileOutputCommiter when checkpointing is an option during preemption - MapReduce - [issue]
...Finish up some renaming work related to the annotation @Preemptable (it should be @Checkpointable now) and help in the splitting of patch in MAPREDUCE-5269 that is too large for being review...
http://issues.apache.org/jira/browse/MAPREDUCE-6434    Author: Augusto Souza, 2015-08-01, 17:21
[MAPREDUCE-6394] Speed up Task processing loop in HsTasksBlock#render() - MapReduce - [issue]
...In HsTasksBlock#render(), there is a loop to create a Javascript table which slows down immensely on jobs with a large number of tasks (200k or more)....
http://issues.apache.org/jira/browse/MAPREDUCE-6394    Author: Ray Chiang, 2015-08-01, 16:20
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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