Add map/reduce slot capacity and lost map/reduce slot capacity to JobTracker
metrics
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Key: HADOOP-5733
URL: https://issues.apache.org/jira/browse/HADOOP-5733
Project: Hadoop Core
Issue Type: Improvement
Components: mapred, metrics
Reporter: Hong Tang
It would be nice to have the actual map/reduce slot capacity and the lost
map/reduce slot capacity (# of blacklisted nodes * map-slot-per-node or
reduce-slot-per-node). This information can be used to calculate a JT view of
slot utilization.
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