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[HADOOP-173] optimize allocation of tasks w/ local data - Hadoop - [issue]
...When a job first starts, all task trackers ask the job tracker for jobs at once.  With lots of task trackers, the job tracker gets very slow.  The first type of task that the job t...
http://issues.apache.org/jira/browse/HADOOP-173    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-153] skip records that fail Task - Hadoop - [issue]
...MapReduce should skip records that throw exceptions.If the exception is thrown under RecordReader.next() then RecordReader implementations should automatically skip to the start of a subsequ...
http://issues.apache.org/jira/browse/HADOOP-153    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-52] mapred input and output dirs must be absolute - Hadoop - [issue]
...DFS converts relative pathnames to be under /user/$USER.  But MapReduce jobs may be submitted by a different user than is running the jobtracker and tasktracker.  Thus relative pat...
http://issues.apache.org/jira/browse/HADOOP-52    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-76] Implement speculative re-execution of reduces - Hadoop - [issue]
...As a first step, reduce task outputs should go to temporary files which are renamed when the task completes....
http://issues.apache.org/jira/browse/HADOOP-76    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-45] JobTracker should log task errors - Hadoop - [issue]
...Task errors are currently propagated to the JobTracker and viewable in the web interface but they are not logged.  These should be logged as well....
http://issues.apache.org/jira/browse/HADOOP-45    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-46] user-specified job names - Hadoop - [issue]
...It should be possible to supply a name when a job is submitted.  This can then be used in the web ui to describe the job.  Perhaps this should just be a job property (mapred.job.na...
http://issues.apache.org/jira/browse/HADOOP-46    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-47] include records/second and bytes/second in  task reports - Hadoop - [issue]
...TaskReport should include fields for total records processed, total bytes processed and total seconds of task execution.  These should also be reported in the web ui, as bytes/second an...
http://issues.apache.org/jira/browse/HADOOP-47    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-48] add user data to task reports - Hadoop - [issue]
...The Reporter interface should permit tasks to set user-data for a task, either as a String or, better-yet, as a Writable.  This should be returned with each TaskReport.  This would...
http://issues.apache.org/jira/browse/HADOOP-48    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-38] default splitter should incorporate fs block size - Hadoop - [issue]
...By default, the file splitting code should operate as follows.  inputs are <file>*, numMapTasks, minSplitSize, fsBlockSize  output is <file,start,length>*&nbs...
http://issues.apache.org/jira/browse/HADOOP-38    Author: Doug Cutting, 2009-07-08, 16:51
[HADOOP-53] MapReduce log files should be storable in dfs. - Hadoop - [issue]
...It should be possible to cause a job's log output to be stored in dfs.  The jobtracker's log output and (optionally) all tasktracker log output related to a job should be storable in a ...
http://issues.apache.org/jira/browse/HADOOP-53    Author: Doug Cutting, 2009-07-08, 16:51
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