This video gives you an introduction to Cluster Configuration Object (CCO).

References:
1. HOW TO: Refresh CCO using 'Import from Archive File' option in Informatica BDM

http://psv28cmsmas1:7000/howto/6/Pages/21/527855.aspx

2. HOW TO: Create CCO using 'Import from Archive File' option in Informatica BDM

http://psv28cmsmas1:7000/howto/6/Pages/20/523286.aspx

3. Is it possible to enable 'Auto Refresh' for CCO in Informatica BDM?

http://psv28cmsmas1:7000/faq/7/Pages/22/563545.aspx

4. HOW TO: Clear overridden Hadoop service configuration present in CCO of Informatica BDM

http://psv28cmsmas1:7000/howto/6/Pages/21/527858.aspx

5. HOW TO: Check cluster configured value for the overridden property in CCO of Informatica BDM

http://psv28cmsmas1:7000/howto/6/Pages/21/532978.aspx

6. 10.2.2 HF1 Big Data Management Administrator Guide link

https://docs.informatica.com/big-data-management/big-data-management/10-2-2-hotfix-1/big-data-management-administrator-guide/cluster-configuration.html