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[MAPREDUCE-6131] Integer overflow in RMContainerAllocator results in starvation of applications - MapReduce - [issue]
...When processing large datasets, Hadoop encounters a scenario where all containers run reduce tasks and no map tasks are scheduled. The application does not fail but rather remains in th...
http://issues.apache.org/jira/browse/MAPREDUCE-6131    Author: Kamal Kc, 2014-10-18, 00:59
[MAPREDUCE-6022] map_input_file is missing from streaming job environment - MapReduce - [issue]
...When running a streaming job the 'map_input_file' environment variable is not being set.  This property is deprecated, but in the past deprecated properties still appeared in a stream j...
http://issues.apache.org/jira/browse/MAPREDUCE-6022    Author: Jason Lowe, 2014-10-17, 23:14
[MAPREDUCE-6130] Mapreduce tests fail with IllegalArgumentException in trunk - MapReduce - [issue]
...From https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1929/console :testComplexNameWithRegex(org.apache.hadoop.mapred.TestJobName)  Time elapsed: 5.153 sec  <<< ERROR!...
http://issues.apache.org/jira/browse/MAPREDUCE-6130    Author: Ted Yu, 2014-10-17, 21:59
[MAPREDUCE-6129] Job failed due to counter out of limited in MRAppMaster - MapReduce - [issue]
...Lots of of cluster's job use more than 120 counters, those kind of jobs  failed with exception like below2014-10-15 22:55:43,742 WARN [Socket Reader #1 for port 45673] org.apache.hadoop...
http://issues.apache.org/jira/browse/MAPREDUCE-6129    Author: Min Zhou, 2014-10-16, 21:27
[MAPREDUCE-5875] Make Counter limits consistent across JobClient, MRAppMaster, and YarnChild - MapReduce - [issue]
...Currently, counter limits "mapreduce.job.counters.*" handled by org.apache.hadoop.mapreduce.counters.Limits are initialized asymmetrically: on the client side, and on the AM, job.xml is igno...
http://issues.apache.org/jira/browse/MAPREDUCE-5875    Author: Gera Shegalov, 2014-10-16, 21:27
[MAPREDUCE-5873] Shuffle bandwidth computation includes time spent waiting for maps - MapReduce - [issue]
...Currently ShuffleScheduler in ReduceTask JVM status displays bandwidth. Its definition however is confusing because it captures the time where there is no copying because there is a pause be...
http://issues.apache.org/jira/browse/MAPREDUCE-5873    Author: Siqi Li, 2014-10-16, 14:59
[MAPREDUCE-5970] Provide a boolean switch to enable MR-AM profiling - MapReduce - [issue]
...MR task profiling can be enabled with a simple switch mapreduce.task.profile=true. We can analogously have yarn.app.mapreduce.am.profile for MR-AM...
http://issues.apache.org/jira/browse/MAPREDUCE-5970    Author: Gera Shegalov, 2014-10-16, 14:59
[MAPREDUCE-6083] Map/Reduce dangerously adds Guava @Beta class to CryptoUtils - MapReduce - [issue]
...See HDFS-7040 for more background/details.In recent 2.6.0-SNAPSHOTs, the use of LimitInputStream was added to CryptoUtils. This is part of the API components of Hadoop, which severely impact...
http://issues.apache.org/jira/browse/MAPREDUCE-6083    Author: Christopher Tubbs, 2014-10-15, 21:39
[MAPREDUCE-6117] Hadoop ignores yarn.nodemanager.hostname for RPC listeners - MapReduce - [issue]
...The RPC listeners for an application are using the hostname of the node as the binding address of the listener,  They ignore yarn.nodemanager.hostname for this.  In our setup we wa...
http://issues.apache.org/jira/browse/MAPREDUCE-6117    Author: Waldyn Benbenek, 2014-10-15, 20:30
[MAPREDUCE-5269] Preemption of Reducer (and Shuffle) via checkpointing - MapReduce - [issue]
...This patch tracks the changes in the task runtime (shuffle, reducer context, etc.) that are required to implement checkpoint-based preemption of reducer tasks....
http://issues.apache.org/jira/browse/MAPREDUCE-5269    Author: Carlo Curino, 2014-10-15, 12:01
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