Ahmed Hussein created MAPREDUCE-7252:
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Summary: Handling 0 progress in SimpleExponential task runtime
estimator
Key: MAPREDUCE-7252
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7252
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
The simple exponential runtime estimator (added in MAPREDUCE-7208) seems not to
handle the corner cases where the delta progress is 0. As a result, the
forecast will be NaN or Inf which messes up the subsequent forecast values.
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