5 Optimizing MapReduce Jobs Using Perfect Balance

This chapter describes how you can shorten the run time of some MapReduce jobs by using Perfect Balance. It contains the following sections:

Note:

Perfect Balance is deprecated in this release of Oracle Big Data Appliance and may be de-supported in a future release.

What is Perfect Balance?
Application Requirements
Getting Started with Perfect Balance
Analyzing a Job's Reducer Load
About Configuring Perfect Balance
Running a Balanced MapReduce Job Using Perfect Balance
About Perfect Balance Reports
About Chopping
Troubleshooting Jobs Running with Perfect Balance
About the Perfect Balance Examples
Perfect Balance Configuration Property Reference

Change Notices:

As of Big Data Connectors 4.8, the option to run Perfect Balance via automatic invocation is no longer supported. Use the Perfect Balance API as described in this document.