GC 나는 다음과 같은 설정으로 자바 응용 프로그램을 실행하는거야 출력 설명

Question

:
-XX : + CMSParallelRemarkEnabled
-XX : + UseConcMarkSweepGC
-XX : + UseParNewGC
-XX : + PrintGCApplicationStoppedTime
-XX을 : + PrintGCApplicationConcurrentTime
-XX : + PrintGCDetails
-XX : + PrintGCTimeStamps
-XX : + PrintGCDateStamps
-XX : + PrintHeapAtGC
,-XX : + PrintTenuringDistribution

관련 gc 로그를 해석하는 방법 (아래)은 잘 모르겠습니다. 특히 :

• 힙 GC 호출 후 = 31 (전체 3) : 31 마이너 GC를, 3 전체 GC를이 의미 하는가 있었다?

• 응용 프로그램 스레드가 및 응용 프로그램 시간을 중단했다하는 총 시간의 몇 연속 라인을 트리거 무엇입니까? 이러한 각 줄과 관련된 타임 스탬프를 가져올 수 있습니까?

GC 로그 :

 
Total time for which application threads were stopped: 0.0046910 seconds 
Application time: 0.7946670 seconds 
Total time for which application threads were stopped: 0.0002900 seconds 
Application time: 1.0153640 seconds 
Total time for which application threads were stopped: 0.0002780 seconds 
Application time: 1.0161890 seconds 
Total time for which application threads were stopped: 0.0002760 seconds 
Application time: 1.0145990 seconds 
Total time for which application threads were stopped: 0.0002950 seconds 
Application time: 0.9999800 seconds 
Total time for which application threads were stopped: 0.0002770 seconds 
Application time: 1.0151640 seconds 
Total time for which application threads were stopped: 0.0002730 seconds 
Application time: 0.9996590 seconds 
Total time for which application threads were stopped: 0.0002880 seconds 
Application time: 0.9624290 seconds 

{Heap before GC invocations=30 (full 3): 
par new generation total 131008K, used 130944K [0x00000000eac00000, 0x00000000f2c00000, 0x00000000f2c00000) 
    eden space 130944K, 100% used [0x00000000eac00000, 0x00000000f2be0000, 0x00000000f2be0000) 
    from space 64K, 0% used [0x00000000f2bf0000, 0x00000000f2bf0000, 0x00000000f2c00000) 
    to space 64K, 0% used [0x00000000f2be0000, 0x00000000f2be0000, 0x00000000f2bf0000) 
concurrent mark-sweep generation total 131072K, used 48348K [0x00000000f2c00000, 0x00000000fac00000, 0x00000000fac00000) 
concurrent-mark-sweep perm gen total 30000K, used 19518K [0x00000000fac00000, 0x00000000fc94c000, 0x0000000100000000) 

2010-05-11T09:30:13.888+0100: 384.955: [GC 384.955: [ParNew 
Desired survivor size 32768 bytes, new threshold 0 (max 0) 
: 130944K->0K(131008K), 0.0052470 secs] 179292K->48549K(262080K), 0.0053030 secs] [Times: user=0.00 sys=0.00, real=0.01 secs] 

Heap after GC invocations=31 (full 3): 
par new generation total 131008K, used 0K [0x00000000eac00000, 0x00000000f2c00000, 0x00000000f2c00000) 
    eden space 130944K, 0% used [0x00000000eac00000, 0x00000000eac00000, 0x00000000f2be0000) 
    from space 64K, 0% used [0x00000000f2be0000, 0x00000000f2be0000, 0x00000000f2bf0000) 
    to space 64K, 0% used [0x00000000f2bf0000, 0x00000000f2bf0000, 0x00000000f2c00000) 
concurrent mark-sweep generation total 131072K, used 48549K [0x00000000f2c00000, 0x00000000fac00000, 0x00000000fac00000) 
concurrent-mark-sweep perm gen total 30000K, used 19518K [0x00000000fac00000, 0x00000000fc94c000, 0x0000000100000000) 
} 

Total time for which application threads were stopped: 0.0056410 seconds 
Application time: 0.0475220 seconds 
Total time for which application threads were stopped: 0.0001800 seconds 
Application time: 1.0174830 seconds 
Total time for which application threads were stopped: 0.0003820 seconds 
Application time: 1.0126350 seconds 
Total time for which application threads were stopped: 0.0002750 seconds 
Application time: 1.0155910 seconds 
Total time for which application threads were stopped: 0.0002680 seconds 
Application time: 1.0155580 seconds 
Total time for which application threads were stopped: 0.0002880 seconds 
Application time: 1.0155480 seconds 
Total time for which application threads were stopped: 0.0002970 seconds 
Application time: 0.9896810 seconds