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Oracle Big Data Appliance "mammoth -p" upgrade to V2.* Hangs during Step 12 while Executing Oozie Worflow Sample (Doc ID 1581317.1)

Last updated on AUGUST 03, 2021

Applies to:

Big Data Appliance Integrated Software - Version 2.2.0 and later
Linux x86-64

Symptoms

NOTE: In the images,examples and document that follow, user details/information, environment data, cluster names, hostnames, directory paths, filenames, etc. represent a fictitious sample (and are used to provide an illustrative example only). Any similarity to actual persons, or entities, living or dead, is purely coincidental and not intended in any manner.

When upgrading Oracle Big Data Appliance (BDA) to V2.*, "mammoth -p" hangs during Step12 .

As part of upgrade/install mammoth(in step 12) kicks of a Oozie workflow with 6 MapReduce jobs to run in parallel  and then waits  for all jobs to finish as specified by the workflow.

Job Tracker UI shows there are 2 Jobs with 100% Map Tasks but yet to complete and 4 Jobs waiting to be executed.

 

Cause

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In this Document
Symptoms
Cause
Solution

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