My Oracle Support Banner

Questions On -XX:+UseParallelGC Option (Doc ID 2220130.1)

Last updated on AUGUST 04, 2023

Applies to:

Oracle WebLogic Server - Version and later
Information in this document applies to any platform.



1.  For JDK 7, -XX:+UseParallelGC sets parallel GC for the new generation.  If we specify -XX:+UseParallelGC, is XX:+UseParallelOldGC (parallel GC for old generation) specified automatically or do we need to specifically add that option?

2.  If we don't add the XX:+UseParallelOldGC, does the old generation use serial collector?


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.