Sheetal Dolas created MAPREDUCE-5394:
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Summary: Job Counters - ability to perform calculations other than
sum
Key: MAPREDUCE-5394
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5394
Project: Hadoop Map/Reduce
Issue Type: New Feature
Affects Versions: 1.2.0, 2.1.0-beta
Reporter: Sheetal Dolas
Many a times the applications need to report values as more than sums across
tasks. Such as min/max/avg of certain metric or metric grouped by nodes/racks.
Having this kind of ability in counters will greatly enhance the utility of
counters.
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