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[MAPREDUCE-2484] divideAndCeil should not use LOG.info or have a more meaningful message - MapReduce - [issue]
...divideAndCeil has LOG.info("divideAndCeil called with a=" + a + " b=" + b);which should either be a debug message or something more meaningful if it really needs to be LOG.info....
http://issues.apache.org/jira/browse/MAPREDUCE-2484    Author: Allen Wittenauer, 2011-12-27, 09:06
[HDFS-829] hdfsJniHelper.c: #include <error.h> is not portable - MapReduce - [issue]
...hdfsJniHelper.c includes <error.h> but this appears to be unnecessary, since even under Linux none of the routines that are prototyped are used.  Worse yet, error.h doesn't appear...
http://issues.apache.org/jira/browse/HDFS-829    Author: Allen Wittenauer, 2011-12-12, 06:19
[MAPREDUCE-1118] Capacity Scheduler scheduling information is hard to read / should be tabular format - MapReduce - [issue]
...The scheduling information provided by the capacity scheduler is extremely hard to read on the job tracker web page.  Instead of just flat text, it should be presenting the information ...
http://issues.apache.org/jira/browse/MAPREDUCE-1118    Author: Allen Wittenauer, 2011-12-12, 06:18
[MAPREDUCE-1187] mradmin -refreshNodes should be implemented - MapReduce - [issue]
...dfsadmin -refreshNodes re-reads the include/exclude files for the HDFS, triggers decommisions, etc.  The MapReduce framework should have similar functionality using the same parameter t...
http://issues.apache.org/jira/browse/MAPREDUCE-1187    Author: Allen Wittenauer, 2011-11-03, 16:54
[MAPREDUCE-3334] TaskRunner should log its activities - MapReduce - [issue]
...TaskRunner has little to no information that it logs, making it impossible to debug when something goes wrong....
http://issues.apache.org/jira/browse/MAPREDUCE-3334    Author: Allen Wittenauer, 2011-11-02, 19:03
[MAPREDUCE-991] HadoopPipes.cc doesn't compile cleanly with SunStudio - MapReduce - [issue]
...Attempting to compile HadoopPipes.cc throws the following warnings and errors:     [exec] "/export/home/awittena/src/hadoop-0.20.0/src/c++/pipes/impl/HadoopPipes.cc", line 663...
http://issues.apache.org/jira/browse/MAPREDUCE-991    Author: Allen Wittenauer, 2011-11-02, 17:49
[MAPREDUCE-1058] analysehistory.jsp should report node where task ran - MapReduce - [issue]
...It is kind of painful to determine which nodes which tasks ran on.  It would be useful to list this in the web ui, especially for the best/worse performing tasks.   Using that info...
http://issues.apache.org/jira/browse/MAPREDUCE-1058    Author: Allen Wittenauer, 2011-11-02, 17:49
[MAPREDUCE-1162] Job history should keep track of which task trackers were blacklisted - MapReduce - [issue]
...It would be useful to have job history keep track of which nodes were blacklisted by the job.  This would be used to build a history of job failure on certain nodes....
http://issues.apache.org/jira/browse/MAPREDUCE-1162    Author: Allen Wittenauer, 2011-11-02, 17:48
[MAPREDUCE-1166] SerialUtils.cc: dynamic allocation of arrays based on runtime variable is not portable - MapReduce - [issue]
...In SerialUtils.cc, the following code appears:    int len;    if (b < -120) {      negative = true;      len = -120 -...
http://issues.apache.org/jira/browse/MAPREDUCE-1166    Author: Allen Wittenauer, 2011-11-02, 17:48
[MAPREDUCE-1180] Detailed area chart of map/reduce slots usage - MapReduce - [issue]
...People are always looking for ideas of things to implement... so here's one. I'd like an app that I can throw at a JobHistory directory that would show me detailed slot usage by job, user, p...
http://issues.apache.org/jira/browse/MAPREDUCE-1180    Author: Allen Wittenauer, 2011-11-02, 17:47
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