[HIVE-4843] Refactoring MapRedTask and ExecDriver for better re-usability (for tez) and readability - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 0.12.0, tez-branch
Fix Version/s: 0.12.0
Component/s: None
Labels:
None

Description

Currently, there are static apis in multiple locations in ExecDriver and MapRedTask that can be leveraged if put in the already existing utility class in the exec package. This would help making the code more maintainable, readable and also re-usable by other run-time infra such as tez.