top - 11:02:07 up 1 day, 17:37, 2 users, load average: 0.01, 0.36, 0.72
Tasks: 314 total, 1 running, 313 sleeping, 0 stopped, 0 zombie
Cpu(s): 3.5%us, 2.6%sy, 0.0%ni, 93.6%id, 0.1%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 8057596k total,
7925908k used, 131688k free, 224392k buffers
Swap: 10485752k total, 0k used, 10485752k free, 5435572k cached
PID VIRT SWAP RES CODE DATA %CPU %MEM TIME+ COMMAND
2212 6721m 0 399m 4 6.4g 24.2 5.1 491:09.83 java
2157 5329m 0 651m 4 5.1g 19.5 8.3 446:34.61 java
2413 4433m 0 208m 4 4.2g 7.9 2.6 160:33.10 java
1948 2430m 0 290m 8736 2.3g 0.7 3.7 28:03.47 mysqld
2111 2351m 0 141m 4 2.2g 0.3 1.8 13:09.25 java
我看网上说top命令的,
Res = code + data ,但是我这里看到的明显是不是这样的!
7925908k used 到底是被谁用了?
我杀死2157,used会减小大约2G
除了2157,其它的启动参数都是 -Xms128m -Xmx256m
2157的参数是-Xms512m -Xmx2048m ;
java -version
java version "1.7.0_09-icedtea"
OpenJDK Runtime Environment (rhel-2.3.3.el6_3.1-x86_64)
OpenJDK 64-Bit Server VM (build 23.2-b09, mixed mode)
我用了:jmap -dump:live,format=b,file=test4.bin 2157