We publish a definitive list of Oracle Database initialization parameter settings for the optimal performance of Oracle E-Business Suite 12.2, 12.1, and 12.0:

• Database Initialization Parameters for Oracle E-Business Suite Release 12 (Note 396009.1)

This document covers all Oracle Database releases that are certified with EBS 12.x, including:

• Oracle Database 12c Release 1 (12cR1)
• Oracle Database 11g Release 2 (11gR2)
• Oracle Database 11g Release 1 (11gR1)
• Oracle Database 10g Release 2 (10gR1)

This document has just been updated with new information about the service_names parameter introduced in the April 2017 updates to the AD and TXK utilities.