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[MAPREDUCE-1401] [Gridmix] Add a load generating factory - MapReduce - [issue]
...To replace previous Gridmix benchmarks (HADOOP-2369 , HADOOP-3770), it must be possible to put a sustained, saturating load on a cluster. While tools for manipulating traces (MAPREDUCE-1295)...
http://issues.apache.org/jira/browse/MAPREDUCE-1401    Author: Chris Douglas, 2010-08-12, 10:25
[MAPREDUCE-1384] Rumen should return UGI information for users rather than String - MapReduce - [issue]
...It would be cleaner for downstream tools if Rumen were to return the UserGroupInformation about users in the trace- including groups- instead of the username only...
http://issues.apache.org/jira/browse/MAPREDUCE-1384    Author: Chris Douglas, 2010-07-02, 07:14
[MAPREDUCE-1037] Failing contrib unit tests should not halt the build - MapReduce - [issue]
...As in other contrib projects, ( HADOOP-5457 ), failing unit tests should not prevent tests of subsequent modules from running....
http://issues.apache.org/jira/browse/MAPREDUCE-1037    Author: Chris Douglas, 2010-07-02, 06:31
Re: Is there any tool in Hadoop for MR job profiling - MapReduce - [mail # dev]
...I've had good results with YourKit.  http://yourkit.com/  -C  2010/6/6 WANG Shicai : ation.  Is there any tool in Hadoop for MR jobs' profiling?  Thank you! 邮箱?...
   Author: Chris Douglas, 2010-06-07, 03:56
Re: Hadoop Contributors Meeting next Friday - MapReduce - [mail # dev]
...As we continue the discussion of branching strategies, release processes, etc., I'd encourage people to read the following from the Jakarta project:  http://incubator.apache.org/learn/r...
   Author: Chris Douglas, 2010-05-21, 21:43
Re: Guidelines - MapReduce - [mail # dev]
...Wellington-  The contribution guidelines are the same for all the Hadoop projects and may be found here:  http://wiki.apache.org/hadoop/HowToContribute  and more general infor...
   Author: Chris Douglas, 2010-04-18, 22:27
[MAPREDUCE-1551] TestMiniMRLocalFS fails - MapReduce - [issue]
...TestMiniMRLocalFS fails consistently on trunk:Testcase: testWithLocal took 38.957 sec        Caused an ERRORFile QuasiMonteCarlo_TMP_3_141592654/out/reduce-out does ...
http://issues.apache.org/jira/browse/MAPREDUCE-1551    Author: Chris Douglas, 2010-03-03, 03:37
[MAPREDUCE-1405] unchecked cast warnings in trunk - MapReduce - [issue]
...compile-mapred-classes:[jsp-compile] 10/01/24 15:16:55 WARN compiler.TldLocationsCache: Internal Error: File /WEB-INF/web.xml not found    [javac] Compiling 494 source files t...
http://issues.apache.org/jira/browse/MAPREDUCE-1405    Author: Chris Douglas, 2010-01-29, 03:42
[MAPREDUCE-1329] Make MapTask.MapOutputBuffer logic more understandable - MapReduce - [issue]
...As noted here, the collection logic could be clarified by explicitly separating states rather than inferring status by examining low-level markers. Similarly, abstractions for metadata, etc....
http://issues.apache.org/jira/browse/MAPREDUCE-1329    Author: Chris Douglas, 2009-12-23, 01:13
[MAPREDUCE-1324] Make MapTask.MapOutputBuffer a standalone class - MapReduce - [issue]
...MapTask.MapOutputBuffer has few dependencies on its outer class, but is more than half its total length. It should be factored out into a separate class....
http://issues.apache.org/jira/browse/MAPREDUCE-1324    Author: Chris Douglas, 2009-12-22, 21:26
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