Log a sample of the data at each phase of the plan
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Key: HIVE-1773
URL: https://issues.apache.org/jira/browse/HIVE-1773
Project: Hive
Issue Type: Improvement
Components: Logging
Reporter: Venky Iyer
Assignee: Joydeep Sen Sarma
Having the ability to visually inspect the data at the end of each step (as a
multi-step query is executing) would be a useful debugging aid. This could be
simply logging a small sample of the (input and output?) rows in each map and
reduce phase.
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