Detailed histogram of map/reduce slots usage
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Key: MAPREDUCE-1180
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1180
Project: Hadoop Map/Reduce
Issue Type: Wish
Reporter: Allen Wittenauer
Priority: Minor
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, pool, etc, in an area stacked chart format.
This would be very helpful to determine if a particular job, user, or pool is
under/over utilizing the capacity, if we need more capacity, what time slots
have holes, etc. I'll see if I can create an example in Excel of what I'm
thinking of.
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