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[MAPREDUCE-2911] Hamster: Hadoop And Mpi on the same cluSTER - MapReduce - [issue]
...MPI is commonly used for many machine-learning applications. OpenMPI (http://www.open-mpi.org/) is a popular BSD-licensed version of MPI. In the past, running MPI application on a Hadoop clu...
http://issues.apache.org/jira/browse/MAPREDUCE-2911    Author: Milind Bhandarkar, 2014-08-05, 03:33
[MAPREDUCE-1775] Streaming should use hadoop.tmp.dir instead of stream.tmpdir - MapReduce - [issue]
...Hadoop streaming currently uses stream.tmpdir (on the job-client side) to create jars to be submitted etc. This only adds complexity to site-specific configuration files. Instead, it should ...
http://issues.apache.org/jira/browse/MAPREDUCE-1775    Author: Milind Bhandarkar, 2014-07-22, 21:12
[MAPREDUCE-311] JobClient should use multiple volumes as hadoop.tmp.dir - MapReduce - [issue]
...Currently, hadoop.tmp.dir configuration variable allows specification of only a single directory to be used as scratch space. In particular, on the job launcher nodes with multiple volumes, ...
http://issues.apache.org/jira/browse/MAPREDUCE-311    Author: Milind Bhandarkar, 2014-07-22, 21:11
[MAPREDUCE-316] Splittability of input should be controllable by application - MapReduce - [issue]
...Currently, isSplittable method of FileInputFormat always returns true. For some applications, it becomes necessary that the map task process entire file, rather than a block. Therefore, spli...
http://issues.apache.org/jira/browse/MAPREDUCE-316    Author: Milind Bhandarkar, 2014-07-17, 18:14
[MAPREDUCE-4459] Allow ad-placement on the JobTracker /RM UI - MapReduce - [issue]
...A lot of Hadoop map-reduce users spend a lot of time staring at the jobtracker webUI to check if their job has been scheduled, and checking the progress. An easy way to monetize these eyebal...
http://issues.apache.org/jira/browse/MAPREDUCE-4459    Author: Milind Bhandarkar, 2012-07-20, 18:14
[MAPREDUCE-2767] Remove Linux task-controller from 0.22 branch - MapReduce - [issue]
...There's a potential security hole in the task-controller as it stands. Based on the discussion on general@, removing task-controller from the 0.22 branch will pave way for 0.22.0 release. (T...
http://issues.apache.org/jira/browse/MAPREDUCE-2767    Author: Milind Bhandarkar, 2012-06-05, 13:53
[MAPREDUCE-2948] Hadoop streaming test failure, post MR-2767 - MapReduce - [issue]
...After removing LinuxTaskController in MAPREDUCE-2767, one of the tests in contrib/streaming: TestStreamingAsDifferentUser.java is failing since it imports import org.apache.hadoop.mapred.Clu...
http://issues.apache.org/jira/browse/MAPREDUCE-2948    Author: Milind Bhandarkar, 2011-11-15, 00:48
[MAPREDUCE-1922] Counters for data-local and rack-local tasks should be replaced by bytes-read-local and bytes-read-rack - MapReduce - [issue]
...As more and more applications use combine file input format (to reduce number of mappers), formats with columns groups implemented as different hdfs files (zebra, hbase), composite input for...
http://issues.apache.org/jira/browse/MAPREDUCE-1922    Author: Milind Bhandarkar, 2010-07-07, 07:54
[MAPREDUCE-1917] Semantics of map.input.bytes is not consistent - MapReduce - [issue]
...map.input.bytes counter is updated by RecordReader. For sequence files, it is the size of the raw data, which may be compressed. For text files, it is the size of uncompressed data. For PigS...
http://issues.apache.org/jira/browse/MAPREDUCE-1917    Author: Milind Bhandarkar, 2010-07-06, 16:51
[MAPREDUCE-1805] Document configurations parameters that are read by MapReduce framework and cannot be changed per job - MapReduce - [issue]
...From the documentation in mapred-default.xml, it is not apparent whether the configurations parameters (such as mapred.tasktracker.map.tasks.maximum) can be specified per-job, or whether the...
http://issues.apache.org/jira/browse/MAPREDUCE-1805    Author: Milind Bhandarkar, 2010-05-20, 20:05
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