FULL PRODUCT VERSION : java version "1.8.0_101" Java(TM) SE Runtime Environment (build 1.8.0_101-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode) FULL OS VERSION : Ubuntu 14.04 Linux andrew-VirtualBox 4.2.0-27-generic #32~14.04.1-Ubuntu SMP Fri Jan 22 15:32:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux EXTRA RELEVANT SYSTEM CONFIGURATION : Ubuntu 14.04 Guest running in VirtualBox
Recent posting to hotspot-gc-dev@openjdk.java.net shows very high JNI weak reference processing times, i.e. over 6 seconds during a parallel CMS remark. Here is a GC log entry for a CMS Remark: 2015-02-03T03:24:27.419-0800: 17917.047: [Rescan (parallel) , 0.0625400 secs]2015-02-03T03:24:27.482-0800: 17917.110: [weak refs processing2015-02-03T03:24:27.482-0800: 17917.110: [SoftReference, 1 refs, 0.
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