Besides frequency, you should also look at duration of GC events. You may want to try the concurrent garbage collector if you see many long full gc.
Bill 2010/8/25 Chengyang <atreey...@163.com> > We have about 500million documents are indexed.The index size is aobut 10G. > Running on a 32bit box. During the pressure testing, we monitered that the > JVM GC is very frequent, about 5min once. Is there any tips to turning this? >
