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Re: Reducer - getMapOutput - MapReduce - [mail # user]
...Hey Robert,   Can you pls share what you are trying to do?  Arun  On Jul 30, 2012, at 9:10 AM, Grandl Robert wrote:  output.  connection with the TaskTracker(setupSe...
   Author: Arun C Murthy, 2012-07-30, 17:45
[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
Re: Need review - MapReduce - [mail # dev]
...Sure, I'll take a look. I'll ping Bikas who wrote the original too!  Thanks Radim!  On Jul 20, 2012, at 5:33 AM, Radim Kolar wrote:   Arun C. Murthy Hortonworks Inc. http://ho...
   Author: Arun C Murthy, 2012-07-21, 21:17
[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
Re: Hadoop compile - delete conf files - MapReduce - [mail # user]
...This seems like a bug, can you pls open a jira? Thanks!  On Jul 17, 2012, at 6:43 PM, Grandl Robert wrote:  of these four files though?   create the package. wrote:  core...
   Author: Arun C Murthy, 2012-07-18, 02:41
Re: MRv2 jobs fail when run with more than one slave - MapReduce - [mail # user]
...Look at the NodeManager logs on perfgb0n0 and look for logs of  container_1342570404456_0001_* and check for errors.  Arun  On Jul 17, 2012, at 5:33 PM, Trevor wrote:  ad...
   Author: Arun C Murthy, 2012-07-18, 01:25
Re: What exactly does the "CPU time spent (ms)" measure? - MapReduce - [mail # user]
...Zhu,   Do you mean the 'slot millis' counter?  Arun  On Jul 17, 2012, at 6:13 AM, GUOJUN Zhu wrote:  running time at the task level.  It can be significantly less th...
   Author: Arun C Murthy, 2012-07-17, 17:39
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