Cloudera
CCA-410 · Question #74
What happens when a map task crashes while running a mapreduce job?
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Troubleshooting
Question
What happens when a map task crashes while running a mapreduce job?
Options
- AThe job immediately fails
- BThe tasktracker closes the JVM instance and restarts
- CThe jobtracker attempts to re-run the task on the same node
- Dthe jobtracket attempts to re-run the task on a different node
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Topics
#MapReduce#fault tolerance#task recovery#JobTracker