G1年轻的GC不会释放内存到空间的耗尽。

I'm using G1GC, jdk 1.7

我使用G1GC, jdk 1.7。

Java HotSpot(TM) 64-Bit Server VM (24.79-b02) for linux-amd64 JRE (1.7.0_79-b15), built on Apr 10 2015 11:34:48 by "java_re" with gcc 4.3.0 20080428 (Red Hat 4.3.0-8)
Memory: 4k page, physical 32826020k(12590436k free), swap 33431548k(33358800k free)

CommandLine flags: -XX:AutoBoxCacheMax=3000000 -XX:+DisableExplicitGC 
-XX:G1NewSizePercent=20 -XX:+HeapDumpOnOutOfMemoryError -XX:InitialHeapSize=10737418240 
-XX:InitiatingHeapOccupancyPercent=70 -XX:MaxDirectMemorySize=1073741824 -XX:MaxGCPauseMillis=1000 
-XX:MaxHeapSize=10737418240 
-XX:-OmitStackTraceInFastThrow -XX:+PrintGC -XX:+PrintGCApplicationStoppedTime -XX:+PrintGCDetails 
-XX:+PrintGCTimeStamps -XX:+UnlockExperimentalVMOptions 
-XX:+UseCompressedOops -XX:+UseG1GC
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