TPCx MapReduce Hangs During Execution with The Reduce Phase Getting Stuck at 31% and One Mapper Never Starts

(Doc ID 2016313.1)

Last updated on JUNE 16, 2017

Applies to:

Big Data Appliance Integrated Software - Version 4.1.0 and later
Linux x86-64

Symptoms

A TPCx Benchmark MapReduce job hangs during execution when trying a 3 TB data set but works fine for 1 TB data set. It hangs during execution with the reduce phase getting stuck at 31% and one mapper never starts.

Cause

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