G1垃圾收集器：Perm Gen无限期地填满，直到执行完整GC

We have a fairly big application running on a JBoss 7 application server. In the past, we were using ParallelGC but it was giving us trouble in some servers where the heap was large (5 GB or more) and usually nearly filled up, we would get very long GC pauses frequently. We have a fairly big application running on a J