More frequent full GC after upgrading an application

Solution Unverified - Updated -


  • After upgrading A-MQ from 5.4 to 5.9, getting more frequent full GC than before
  • JVM parameter tuning has been broken after upgrade
  • More and more objects are getting promoted from young to old generation
  • From a heap dump, so many objects are living in finalizer thread


  • Java in general
  • Red Hat JBoss A-MQ 6.1.0

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content