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[MAPREDUCE-848] TestCapacityScheduler is failing - MapReduce - [issue]
...Looks like the commit of HADOOP-805 broke the CapacityScheduler testcase....
http://issues.apache.org/jira/browse/MAPREDUCE-848    Author: Devaraj Das, 2010-08-24, 21:15
[MAPREDUCE-773] LineRecordReader can report non-zero progress while it is processing a compressed stream - MapReduce - [issue]
...Currently, the LineRecordReader returns 0.0 from getProgress() for most inputs (since the "end" of the filesplit is set to Long.MAX_VALUE for compressed inputs). This can be improved to retu...
http://issues.apache.org/jira/browse/MAPREDUCE-773    Author: Devaraj Das, 2010-08-24, 21:14
[MAPREDUCE-717] Fix some corner case issues in speculative execution (post hadoop-2141) - MapReduce - [issue]
...Some corner case issues can be fixed:1) Setup task should not add anything to the job statistics (since they are really fast and might affect the statistics of a job with few tasks)2) The st...
http://issues.apache.org/jira/browse/MAPREDUCE-717    Author: Devaraj Das, 2010-08-24, 21:14
[MAPREDUCE-416] Move the completed jobs' history files to a DONE subdirectory inside the configured history directory - MapReduce - [issue]
...Whenever a job completes, the history file can be moved to a directory called DONE. That would make the management of job history files easier (for example, administrators can move the histo...
http://issues.apache.org/jira/browse/MAPREDUCE-416    Author: Devaraj Das, 2010-08-24, 21:13
[MAPREDUCE-95] In PipeMarRed.java, log related fields seems useless - MapReduce - [issue]
...In PipeMapRed.java, the fields log_ & LOGNAME seems useless since they remain null throughout. It might cause issues at PipeMapRed.java:[line 352]. Also, the field mapRedKey_ in ...
http://issues.apache.org/jira/browse/MAPREDUCE-95    Author: Devaraj Das, 2010-07-02, 06:24
[MAPREDUCE-222] Shuffle should be refactored to a separate task by itself - MapReduce - [issue]
...Currently, shuffle phase is part of the reduce task. The idea here is to move out the shuffle as a first-class task. This will improve the usage of the network since we will then be able to ...
http://issues.apache.org/jira/browse/MAPREDUCE-222    Author: Devaraj Das, 2009-12-01, 05:53
[MAPREDUCE-11] Cleanup JobHistory file naming to do with job recovery - MapReduce - [issue]
...The JobTracker uses the job history files for doing job recovery upon startup. To handle cases where JobTracker goes down again while the recovered job is running, there is some logic that p...
http://issues.apache.org/jira/browse/MAPREDUCE-11    Author: Devaraj Das, 2009-10-05, 06:25
[MAPREDUCE-466] The code in ReduceTask::fetchOutputs that deals with fetch failures can be refactored to a separate method - MapReduce - [issue]
...There is big chunk of code to handle fetch failures in ReduceTask::fetchOutputs. To improve the readability of code, this should be moved out to a separate method....
http://issues.apache.org/jira/browse/MAPREDUCE-466    Author: Devaraj Das, 2009-09-23, 09:16
[MAPREDUCE-240] Improve the shuffle phase by using the "connection: keep-alive" and doing batch transfers of files - MapReduce - [issue]
...We should do transfers of map outputs at the granularity of  total-bytes-transferred rather than the current way of transferring a single file and then closing the connection to the ser...
http://issues.apache.org/jira/browse/MAPREDUCE-240    Author: Devaraj Das, 2009-09-11, 04:25
[MAPREDUCE-882] TestJobHistory fails sometimes - MapReduce - [issue]
...Testcase: testDoneFolderOnHDFS took 31.892 secTestcase: testJobHistoryFile took 27.901 sec        FAILEDDuplicate START_TIME seen for task task_200908161937_0001_m_000003...
http://issues.apache.org/jira/browse/MAPREDUCE-882    Author: Devaraj Das, 2009-08-20, 04:18
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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