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[MAPREDUCE-6468] Consistent log severity level guards and statements - MapReduce - [issue]
...Developers use logs to do in-house debugging. These log statements are later demoted to less severe levels and usually are guarded by their matching severity levels. However, we do see incon...
http://issues.apache.org/jira/browse/MAPREDUCE-6468    Author: Jackie Chang, 2015-09-04, 07:43
[MAPREDUCE-6361] NPE issue in shuffle caused by concurrent issue between copySucceeded() in one thread and copyFailed() in another thread on the same host - MapReduce - [issue]
...The failure in log:2015-05-08 21:00:00,513 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running child : org.apache.hadoop.mapreduce.task.reduce.Shuffle$ShuffleError: err...
http://issues.apache.org/jira/browse/MAPREDUCE-6361    Author: Junping Du, 2015-09-03, 20:13
[MAPREDUCE-5870] Support for passing Job priority through Application Submission Context in Mapreduce Side - MapReduce - [issue]
...Job Prioirty can be set from client side as below [Configuration and api]. a. JobConf.getJobPriority() and Job.setPriority(JobPriority priority) b. We can also use configuration...
http://issues.apache.org/jira/browse/MAPREDUCE-5870    Author: Sunil G, 2015-09-03, 17:08
[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, 2015-09-03, 16:21
[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.getRuntime()...
http://issues.apache.org/jira/browse/MAPREDUCE-5649    Author: stanley shi, 2015-09-02, 23:30
[MAPREDUCE-6324] Uber jobs fail to update AMRM token when it rolls over - MapReduce - [issue]
...When the RM rolls a new AMRM master key the AMs are supposed to receive a new AMRM token on subsequent heartbeats between the time when the new key is rolled and when it is activated.  ...
http://issues.apache.org/jira/browse/MAPREDUCE-6324    Author: Jason Lowe, 2015-09-02, 23:14
[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, 2015-09-02, 19:43
[MAPREDUCE-6267] Refactor JobSubmitter#copyAndConfigureFiles into it's own class - MapReduce - [issue]
...Refactor the uploading logic in JobSubmitter#copyAndConfigureFiles into it's own class. This makes the JobSubmitter class more readable and isolates the logic that is actually uploading the ...
http://issues.apache.org/jira/browse/MAPREDUCE-6267    Author: Chris Trezzo, 2015-09-02, 19:38
[MAPREDUCE-6415] Create a tool to combine aggregated logs into HAR files - MapReduce - [issue]
...While we wait for YARN-2942 to become viable, it would still be great to improve the aggregated logs problem.  We can write a tool that combines aggregated log files into a single HAR f...
http://issues.apache.org/jira/browse/MAPREDUCE-6415    Author: Robert Kanter, 2015-09-02, 18:35
[MAPREDUCE-6302] deadlock in a job between map and reduce cores allocation - MapReduce - [issue]
...I submit a  big job, which has 500 maps and 350 reduce, to a queue(fairscheduler) with 300 max cores. When the big mapreduce job is running 100% maps, the 300 reduces have occupied 300 ...
http://issues.apache.org/jira/browse/MAPREDUCE-6302    Author: mai shurong, 2015-09-02, 18:19
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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