How do you check the (Key, Value) of a MR Hive Job? On December 19, 2021December 29, 2021 By admin I wonder how hive implement my SQL to MR job. To be specific, it there a way to check all the exact input/output K,V records of a MapTask/Reduce on Hadoop Web log ? If I write MR application by my own, I can manually print each KV to log, so […]