Counting of running maps/reduces in tasktrackerstatus
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Key: HADOOP-283
URL: http://issues.apache.org/jira/browse/HADOOP-283
Project: Hadoop
Type: Improvement
Versions: 0.4.0
Reporter: Mahadev konar
Assigned to: Mahadev konar
Priority: Minor
The functions countreducetasks and countmaptasks currently return the total
number of maps/reduces on the tasktracker. They should only return the number
of running maps/reduces. Because they return the total count, the jobtracker is
not able to schedule tasks on these tasktrackers in the current cycle, when a
task is finished and the tasktracker is runnning max number of maps/reduces.
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