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[MAPREDUCE-385] pipes does not allow jobconf values containing commas - MapReduce - [issue]
...Currently hadoop pipes does not allow a-jobconf <key>=<value>,<key>=<value>...commandline parameter with one or more commas in one of the values of the key-value pair...
http://issues.apache.org/jira/browse/MAPREDUCE-385    Author: Christian Kunz, 2014-07-22, 22:04
[MAPREDUCE-562] A single slow (but not dead) map TaskTracker impedes MapReduce progress - MapReduce - [issue]
...We see cases where there may be a large number of mapper nodes running many tasks (e.g., a thousand). The reducers will pull 980 of the map task intermediate files down, but will be unable t...
http://issues.apache.org/jira/browse/MAPREDUCE-562    Author: Aaron Kimball, 2014-07-22, 21:50
[MAPREDUCE-352] Avoid creating JobInProgress objects before Access checks and Queues checks are done in JobTracker submitJob - MapReduce - [issue]
...In JobTracker submitJob , JobInProgress instance gets created . after this checks are done for access and queue state. In event of checks failed . There isn't any use for these JIP objects ,...
http://issues.apache.org/jira/browse/MAPREDUCE-352    Author: rahul k singh, 2014-07-22, 21:29
[MAPREDUCE-2166] "map.input.file" is not set - MapReduce - [issue]
...Hadoop does not set the "map.input.file" variable. I tried the fallowing and all I get is "null".public class Map extends Mapper<Object, Text, LongWritable, Text> {   public ...
http://issues.apache.org/jira/browse/MAPREDUCE-2166    Author: Rares Vernica, 2014-07-22, 21:23
[MAPREDUCE-301] mapred.child.classpath.extension property - MapReduce - [issue]
...It would be useful to be able to extend the classpath for the task processes on a job per job basis via a mapred.child.classpath.extension property....
http://issues.apache.org/jira/browse/MAPREDUCE-301    Author: Klaas Bosteels, 2014-07-22, 21:23
[MAPREDUCE-537] Instrument events in the capacity scheduler for collecting metrics information - MapReduce - [issue]
...We need to instrument various events in the capacity scheduler so that we can collect metrics about them. This data will help us determine improvements to scheduling strategies itself....
http://issues.apache.org/jira/browse/MAPREDUCE-537    Author: Hemanth Yamijala, 2014-07-22, 21:20
[MAPREDUCE-528] NPE in jobqueue_details.jsp page if scheduler has not started - MapReduce - [issue]
...NullPointerException is observed in jobqueue_details.jsp page if the scheduler has not yet started...
http://issues.apache.org/jira/browse/MAPREDUCE-528    Author: Ramya Sunil, 2014-07-22, 21:19
[MAPREDUCE-1775] Streaming should use hadoop.tmp.dir instead of stream.tmpdir - MapReduce - [issue]
...Hadoop streaming currently uses stream.tmpdir (on the job-client side) to create jars to be submitted etc. This only adds complexity to site-specific configuration files. Instead, it should ...
http://issues.apache.org/jira/browse/MAPREDUCE-1775    Author: Milind Bhandarkar, 2014-07-22, 21:12
[MAPREDUCE-311] JobClient should use multiple volumes as hadoop.tmp.dir - MapReduce - [issue]
...Currently, hadoop.tmp.dir configuration variable allows specification of only a single directory to be used as scratch space. In particular, on the job launcher nodes with multiple volumes, ...
http://issues.apache.org/jira/browse/MAPREDUCE-311    Author: Milind Bhandarkar, 2014-07-22, 21:11
[MAPREDUCE-5975] Fix native-task build on Ubuntu 13.10 - MapReduce - [issue]
...I'm having some issues building the native-task branch on my Ubuntu 13.10 box. This JIRA is to figure out and fix whatever's going on....
http://issues.apache.org/jira/browse/MAPREDUCE-5975    Author: Todd Lipcon, 2014-07-22, 21:09
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