> disambiguating: CMS == ConcurrentMergeScheduler not the old GC :) >
Yep, I'm just saying this run used serial gc - I thought this could somehow contribute (but I don't think so now, looking at the hprof). Using Java: 64bit/hotspot/jdk-25-ea+15 -XX:-UseCompressedOops -XX:+UseSerialGC Installed in: /home/jenkins/tools/java/64bit/hotspot/jdk-25-ea+15