我正在使用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
大多数小型GC工作正常,但它仍然开始异常的fullGC,一小时大约一到两次.
这是年轻GC日志的正常情况
3443.100: [GC pause (young), 0.3021260 secs]
[Parallel Time: 277.6 ms, GC Workers: 4]
[GC Worker Start (ms): Min: 3443100.5, Avg: 3443100.6, Max: 3443100.6, …