Gera Shegalov created MAPREDUCE-5692:
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Summary: Add explicit diagnostics when a task attempt is killed
due to speculative execution
Key: MAPREDUCE-5692
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5692
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: client, mr-am, mrv2
Affects Versions: 2.2.0
Reporter: Gera Shegalov
Assignee: Gera Shegalov
Our users and tools want to be able to supply additional custom diagnostic
messages to mapreduce ClientProtocol killTask.
We also need to clearly indicate when a task attempt is killed because another
task attempt succeeded first when speculative execution is enabled.
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