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[MAPREDUCE-4327] Enhance CS to schedule accounting for both memory and cpu cores - MapReduce - [issue]
...With YARN being a general purpose system, it would be useful for several applications (MPI et al) to specify not just memory but also CPU (cores) for their resource requirements. Thus, it wo...
http://issues.apache.org/jira/browse/MAPREDUCE-4327    Author: Arun C Murthy, 2012-08-02, 22:20
[MAPREDUCE-4334] Add support for CPU isolation/monitoring of containers - MapReduce - [issue]
...Once we get in MAPREDUCE-4327, it will be important to actually enforce limits on CPU consumption of containers. Several options spring to mind: taskset (RHEL5+) cgroups (RHEL6+)...
http://issues.apache.org/jira/browse/MAPREDUCE-4334    Author: Arun C Murthy, 2012-08-02, 15:11
[MAPREDUCE-1183] Serializable job components: Mapper, Reducer, InputFormat, OutputFormat et al - MapReduce - [issue]
...Currently the Map-Reduce framework uses Configuration to pass information about the various aspects of a job such as Mapper, Reducer, InputFormat, OutputFormat, OutputCommitter etc. and appl...
http://issues.apache.org/jira/browse/MAPREDUCE-1183    Author: Arun C Murthy, 2012-07-26, 15:43
[MAPREDUCE-4476] Add more unit tests for CPU scheduling in CS - MapReduce - [issue]
...Companion to MAPREDUCE-4327....
http://issues.apache.org/jira/browse/MAPREDUCE-4476    Author: Arun C Murthy, 2012-07-24, 19:55
[MAPREDUCE-1966] Fix tracker blacklisting - MapReduce - [issue]
...The current heuristic of rolling up fixed number of job failures per tracker isn't working well, we need better design/heuristics....
http://issues.apache.org/jira/browse/MAPREDUCE-1966    Author: Arun C Murthy, 2012-07-23, 20:08
[MAPREDUCE-4439] MAPREDUCE-3451 introduced a bunch of findbugs warnings - MapReduce - [issue]
...Committed findbugs exclusions (hadoop-mapreduce-project/hadoop-yarn/dev-support/findbugs-exclude.xml) as an amendment of MAPREDUCE-3451. Lower priority to major as warnings are excluded.Reas...
http://issues.apache.org/jira/browse/MAPREDUCE-4439    Author: Arun C Murthy, 2012-07-19, 01:42
[MAPREDUCE-4422] YARN_APPLICATION_CLASSPATH needs a documented default value in YarnConfiguration - MapReduce - [issue]
...MAPREDUCE-3505 allowed YARN_APPLICATION_CLASSPATH to be configurable.However, we didn't add a default value to YarnConfiguration, as-is the norm.Ran into it while investigating MAPREDUCE-442...
http://issues.apache.org/jira/browse/MAPREDUCE-4422    Author: Arun C Murthy, 2012-07-18, 14:03
[MAPREDUCE-4236] Failing tests in branch-2 - MapReduce - [issue]
...Running org.apache.hadoop.mapreduce.v2.app.TestStagingCleanupTests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 7.872 sec <<< FAILURE!–Running org.apache.hadoop.m...
http://issues.apache.org/jira/browse/MAPREDUCE-4236    Author: Arun C Murthy, 2012-07-10, 21:11
[MAPREDUCE-72] Move handling of Task debugging out of TaskTracker - MapReduce - [issue]
...Currently TaskTracker.TaskInProgress.taskFinished handles the responsibility of executing the debug scripts for Map/Reduce tasks. Ideally we should keep this confined to TaskRunner (which cu...
http://issues.apache.org/jira/browse/MAPREDUCE-72    Author: Arun C Murthy, 2012-07-07, 16:12
[MAPREDUCE-1600] o.a.h.mapreduce.FileOutputCommitter should qualify the output path - MapReduce - [issue]
...Same as HADOOP-4746, but for the new api....
http://issues.apache.org/jira/browse/MAPREDUCE-1600    Author: Arun C Murthy, 2012-07-07, 13:17
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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