请帮我解决一下情况.我有CentOS 4 GB RAM,Tomcat配置大约1500MB内存.在某些时候,我的机器在达到最大螺纹数量时就会挂起,即200.我们必须重新启动应用程序服务器才能再次运行.参数是:
JAVA_OPTS="-server -Xss128k -Xms2048m -Xmx2048m -XX:MaxPermSize=512m -XX:NewRatio=3 -XX:SurvivorRatio=6 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:CMSInitiatingOccupancyFraction=80 -Dfile.encoding=UTF8"
jvm mem详细信息粘贴在下面.堆
PSYoungGen total 435456K, used 73027K [0x00000000e0c00000, 0x00000000fb580000, 0x0000000100000000)
eden space 435200K, 16% used [0x00000000e0c00000,0x00000000e5350c70,0x00000000fb500000)
from space 256K, 0% used [0x00000000fb540000,0x00000000fb540000,0x00000000fb580000)
to space 256K, 88% used [0x00000000fb500000,0x00000000fb538600,0x00000000fb540000)
PSOldGen total 741376K, used 132680K [0x00000000a2400000, 0x00000000cf800000, 0x00000000e0c00000)
object space 741376K, 17% used [0x00000000a2400000,0x00000000aa592030,0x00000000cf800000)
PSPermGen total 22912K, used 22880K [0x0000000092400000, 0x0000000093a60000, 0x00000000a2400000)
object space 22912K, 99% used [0x0000000092400000,0x0000000093a58088,0x0000000093a60000)
Code Cache [0x00002aaaab021000, 0x00002aaaab311000, 0x00002aaaae021000)
total_blobs=1033 nmethods=670 adapters=317 free_code_cache=47372736 …