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1。\r\nps aux | head -n 1;ps aux | grep -i java \r\n \r\nUSER PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND \r\nexp 28968 0.2 15.0 782124 782132 pts/2 A Sep 06 18:17 /usr/java14/bin/j\r\nexp 39358 0.0 12.0 617944 617952 pts/2 A Sep 06 0:57 /usr/java14/bin/j\r\n\r\n机器内存8g,以第一个进程为例,8192*15%(%MEM)=1228m<>;782132(763.8m),为什么啊?\r\n2。\r\n同时topas里面看到进程列如下:\r\nName PID CPU% PgSp Owner \r\nIBM.CSMAg 19626 0.0 2.0 root \r\ndtgreet 4160 0.0 1.5 root \r\nPatrolAge 30942 0.0 16.6 patrol\r\ndb2fmcd 18062 0.0 0.7 root \r\nsyncd 5194 0.0 0.6 root \r\njava 28968 0.0 763.8 exp \r\n\r\n763.8应该是pagespace,怎么和上面的RSS列一样的数值呢?RSS不是实际内存吗?\r\nRSS\r\n (v flag) The real-memory (resident set) size of the process (in 1KB units).\r\n\r\n谢谢大家! |
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