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[MAPREDUCE-6166] Reducers do not catch bad map output transfers during shuffle if data shuffled 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, 2014-11-26, 15:30
[MAPREDUCE-5785] Derive heap size or mapreduce.*.memory.mb automatically - MapReduce - [issue]
...Currently users have to set 2 memory-related configs per Job / per task type.  One first chooses some container size map reduce.*.memory.mb and then a corresponding maximum Java hea...
http://issues.apache.org/jira/browse/MAPREDUCE-5785    Author: Gera Shegalov, 2014-11-26, 15:29
[MAPREDUCE-5568] JHS returns invalid string for reducer completion percentage if AM restarts with 0 reducer. - MapReduce - [issue]
...JobCLient shows like:13/10/05 16:26:09 INFO mapreduce.Job:  map 100% reduce NaN%13/10/05 16:26:09 INFO mapreduce.Job: Job job_1381015536254_0001 completed successfully13/10/05 16:26:09 ...
http://issues.apache.org/jira/browse/MAPREDUCE-5568    Author: Jian He, 2014-11-26, 15:29
[MAPREDUCE-6174] Combine common stream code into parent class for InMemoryMapOutput and OnDiskMapOutput. - MapReduce - [issue]
...Per MAPREDUCE-6166, both InMemoryMapOutput and OnDiskMapOutput will be doing similar things with regards to IFile streams.In order to make it explicit that InMemoryMapOutput and OnDiskMapOut...
http://issues.apache.org/jira/browse/MAPREDUCE-6174    Author: Eric Payne, 2014-11-26, 15:26
[MAPREDUCE-6137] Unable to run start-all.sh script, getting error - MapReduce - [issue]
...Present working Shell: /bin/bashTrying to run start-all.sh, but getting below error.hduser@jagadeesh-Aspire-E5-511:/usr/local/hadoop/hadoop-2.5.0/sbin$ sh start-all.shThis script is Deprecat...
http://issues.apache.org/jira/browse/MAPREDUCE-6137    Author: Jagadeesh A Y, 2014-11-26, 08:27
[MAPREDUCE-5932] Provide an option to use a dedicated reduce-side shuffle log - MapReduce - [issue]
...For reducers in large jobs our users cannot easily spot portions of the log associated with problems with their code. An example reducer with INFO-level logging generates ~3500 lines / ~700K...
http://issues.apache.org/jira/browse/MAPREDUCE-5932    Author: Gera Shegalov, 2014-11-26, 07:52
[MAPREDUCE-6171] The visibilities of the distributed cache files and archives should be determined by both their permissions and if they are located in HDFS encryption zone - MapReduce - [issue]
...The visibilities of the distributed cache files and archives are currently determined by the permission of these files or archives. The following is the logic of method isPublic() in class C...
http://issues.apache.org/jira/browse/MAPREDUCE-6171    Author: Dian Fu, 2014-11-26, 04:32
[MAPREDUCE-6168] Old MR client is still broken when receiving new counters from MR job - MapReduce - [issue]
...In the following scenarios:1. Either insecure or secure;2. MR 2.2 with new shuffle on NM;3. Submitting via old client.We will see the following console exception:14/11/17 14:56:19 INFO mapre...
http://issues.apache.org/jira/browse/MAPREDUCE-6168    Author: Zhijie Shen, 2014-11-26, 01:40
[MAPREDUCE-6160] Potential NullPointerException in MRClientProtocol interface implementation. - MapReduce - [issue]
...In the implementation of MRClientProtocol, many methods can throw NullPointerExceptions. Instead of NullPointerExceptions, better to throw IOException with proper message.In the HistoryClien...
http://issues.apache.org/jira/browse/MAPREDUCE-6160    Author: Rohith, 2014-11-25, 17:16
[MAPREDUCE-6173] Document the configuration of deploying MR over distributed cache with enabling wired encryption at the same time - MapReduce - [issue]
...Use the current documented configuration (specified in http://hadoop.apache.org/docs/stable/hadoop-mapreduce-client/hadoop-mapreduce-client-core/DistributedCacheDeploy.html) to work with the...
http://issues.apache.org/jira/browse/MAPREDUCE-6173    Author: Junping Du, 2014-11-25, 17:03
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NEW: Monitor These Apps!
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