My Oracle Support Banner

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 NOVEMBER 29, 2019

Applies to:

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


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.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.