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[MAPREDUCE-1859] maxConcurrentMapTask & maxConcurrentReduceTask per job - MapReduce - [issue]
...It would be valuable if one could specify the max number of map/reduce slots which should be used for a given job. An example would be an map-reduce job importing from a database where you d...
http://issues.apache.org/jira/browse/MAPREDUCE-1859    Author: Johannes Zillmann, 2014-07-30, 21:14
[MAPREDUCE-1852] build/test path is hardcoded in many testcases. - MapReduce - [issue]
...build/test path is hardcoded in many testcases, instead it should be read from system property test.build.dir or any other other appropriate property....
http://issues.apache.org/jira/browse/MAPREDUCE-1852    Author: Amareshwari Sriramadasu, 2014-07-30, 21:11
[MAPREDUCE-1841] o.a.h.mapreduce.FileOutputCommitter doens't check for existence of ${mapred.output.dir}/_temporary - MapReduce - [issue]
...o.a.h.mapred.FileOutputCommitter.getWorkOutputPath checks for existence of ${mapred.output.dir}/temporary to ensure tasks launched _after the job-cleanup task fail early (in a vast majority ...
http://issues.apache.org/jira/browse/MAPREDUCE-1841    Author: Arun C Murthy, 2014-07-30, 20:57
[MAPREDUCE-1835] TestDelegationTokenRenewal token fails sometimes in branch 0.21 - MapReduce - [issue]
...org.apache.hadoop.mapreduce.security.token.TestDelegationTokenRenewal fails sometimes in branch 0.21.The test fails with following error:Testcase: testDTRenewal took 15.606 sec FAILEDrenew w...
http://issues.apache.org/jira/browse/MAPREDUCE-1835    Author: Amareshwari Sriramadasu, 2014-07-30, 20:54
[MAPREDUCE-1828] Job doesn't fail graciously when an invalid mapred.child.env value is specified - MapReduce - [issue]
...When invalid input is given to -Dmapred.child.env=, ArrayIndexOutOfBoundsException is seen instead of giving a useful error message.bin/hadoop jar hadoop-streaming.jar -Dmapred.child.env="X:...
http://issues.apache.org/jira/browse/MAPREDUCE-1828    Author: Ravi Gummadi, 2014-07-30, 20:53
[MAPREDUCE-1797] The JobTracker lock can be a reader/writer lock - MapReduce - [issue]
...The Jobtracker has a global lock and a per-job JobInProgress lock. The aim for the JobInprogress lock is to support the ability to lock a single job's metadata without  blocking out the...
http://issues.apache.org/jira/browse/MAPREDUCE-1797    Author: dhruba borthakur, 2014-07-30, 20:36
[MAPREDUCE-1794] Test the job status of lost task trackers before and after the timeout. - MapReduce - [issue]
...This test covers the following scenarios.1. Verify the job status whether it is succeeded or not when  the task tracker is lost and alive before the timeout.2. Verify the job status and...
http://issues.apache.org/jira/browse/MAPREDUCE-1794    Author: Vinay Kumar Thota, 2014-07-30, 20:35
[MAPREDUCE-1792] add script that backups job statistics - MapReduce - [issue]
...When cluster is terminated, job statistics from previous execution is lost.A script should be created to backup job statistics so that analysis can be performed across cluster restart.A util...
http://issues.apache.org/jira/browse/MAPREDUCE-1792    Author: Ted Yu, 2014-07-30, 20:33
[MAPREDUCE-1790] Automatic resolution of Lzo codecs is needed. - MapReduce - [issue]
...The test cases are failing due to non-availablity of the jar  hadoop-gpl-compression-0.1.0-1005060043.jar, need changes to aop xml to fix this....
http://issues.apache.org/jira/browse/MAPREDUCE-1790    Author: Balaji Rajagopalan, 2014-07-30, 20:32
Please remove me - MapReduce - [mail # dev]
...On Wed, Jul 30, 2014 at 2:58 PM, Allen Wittenauer (JIRA) wrote: ...
[+ more]    Author: Siva Reddy, 2014-07-30, 20:04
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