Explanation:JobConf is typically used to specify the Mapper, combiner (if any), Partitioner, Reducer, InputFormat, OutputFormat and OutputCommitter implementations. 7. The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.
A. JobTracker
B. TaskTracker
C. TaskScheduler
D. None of the mentioned
Answer:A
Explanation:JobConf is typically used to specify the Mapper, combiner (if any), Partitioner, Reducer, InputFormat, OutputFormat and OutputCommitter implementations. 7. The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.
A. JobTracker B. TaskTracker C. TaskScheduler D. None of the mentioned
Explanation:The child-task inherits the environment of the parent TaskTracker. 8. Maximum virtual memory of the launched child-task is specified using :