Hi, On Tue, 2017-11-21 at 21:48 +0800, Lijie Xu wrote: > Hi Thomas, > [...] > > > I want to know whether my guess is right ... > > > > Very likely. This is a long-standing issue (actually I have once > > investigated about it like 10 years ago on a different regional > > collector), and given your findings it is very likely you are > > correct. > > The issue also has an extra section in the tuning guide. > > ==> This reference is very helpful for me. Another question is that > "Do Parallel and CMS collectors have this defect too"?
No. Parallel and CMS full GC always move all objects. I filed JDK-81915 65 [0] to at least avoid the OOME. Maybe it can be fixed by jdk 11. Thanks, Thomas [0] https://bugs.openjdk.java.net/browse/JDK-8191565 _______________________________________________ hotspot-gc-use mailing list hotspot-gc-use@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use
