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  1. 간단하게 보기(ps -ef)

 


 명령어 : ps -ef --sort -rss

<실행예시>

[root@pc~]# ps -ef --sort -rss

UID PID PPID C STIME TTY TIME CMDmysql 1154 1064 99 May03 ? 213287-12:54:30 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --lapache 26245 1202 0 03:48 ? 00:00:05 /usr/sbin/httpdapache 26247 1202 0 03:48 ? 00:00:07 /usr/sbin/httpd... (생략)root 741 2 0 May03 ? 00:00:00 [kmpath_handlerd]root 768 2 0 May03 ? 00:00:00 [kjournald]


=> /usr/libexec/mysqld 프로세스가 물리 메모리를 가장 많이 점유하고 있다.



Ι■ 상위 10개

 명령어 : ps -ef --sort -rss | head -n 11





  2. 메모리 사용량 표시(ps -eo) 

 


 명령어 : ps -eo user,pid,ppid,rss,size,vsize,pmem,pcpu,time,cmd --sort -rss | head -n 11

 <실행예시>

[root@pc ~]# ps -eo user,pid,ppid,rss,size,vsize,pmem,pcpu,time,cmd --sort -rss | head -n 11

USER PID PPID RSS SZ VSZ %MEM %CPU TIME CMDmysql 1154 1064 26116 582252 642724 4.8 6623646 213287-12:54:31 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sockapache 26245 1202 24284 18320 347196 4.5 0.0 00:00:05 /usr/sbin/httpdapache 26247 1202 23780 17824 346700 4.4 0.0 00:00:07 /usr/sbin/httpdapache 26248 1202 23632 17048 345924 4.4 0.0 00:00:05 /usr/sbin/httpdapache 26242 1202 23112 18080 342768 4.3 0.0 00:00:06 /usr/sbin/httpdapache 26249 1202 23100 18076 342764 4.3 0.0 00:00:06 /usr/sbin/httpdapache 26692 1202 23084 18084 342772 4.3 0.0 00:00:03 /usr/sbin/httpdapache 26244 1202 22844 17828 342516 4.2 0.0 00:00:06 /usr/sbin/httpdapache 26243 1202 22832 17828 342516 4.2 0.0 00:00:08 /usr/sbin/httpdapache 26693 1202 22832 17820 342508 4.2 0.0 00:00:04 /usr/sbin/httpd


=> /usr/libexec/mysqld 프로세스가 물리 메모리를 가장 많이 점유하고 있으며 그 용량은 26116KB이다.



Ι■ 명령인수 숨기기 : 프로세스 수행명령어에서 인수부분을 표시하지 않으려면 cmd를 comm으로 변경하면 된다.

 명령어 : ps -eo user,pid,ppid,rss,size,vsize,pmem,pcpu,time,comm --sort -rss | head -n 11

 <실행예시>

[root@pc ~]# ps -eo user,pid,ppid,rss,size,vsize,pmem,pcpu,time,comm --sort -rss | head -n 11

USER PID PPID RSS SZ VSZ %MEM %CPU TIME COMMANDmysql 1154 1064 26116 582252 642724 4.8 6624384 213287-12:54:31 mysqldapache 26245 1202 24284 18320 347196 4.5 0.0 00:00:05 httpdapache 26247 1202 23780 17824 346700 4.4 0.0 00:00:07 httpdapache 26248 1202 23632 17048 345924 4.4 0.0 00:00:05 httpdapache 26242 1202 23112 18080 342768 4.3 0.0 00:00:06 httpdapache 26249 1202 23100 18076 342764 4.3 0.0 00:00:06 httpdapache 26692 1202 23084 18084 342772 4.3 0.0 00:00:03 httpdapache 26244 1202 22844 17828 342516 4.2 0.0 00:00:06 httpdapache 26243 1202 22832 17828 342516 4.2 0.0 00:00:08 httpdapache 26693 1202 22832 17820 342508 4.2 0.0 00:00:04 httpd


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