Hi list,
I'm running Fedora Core 1 with 512 MB RAM and 1 Ghz CPU.
I noticed that even without any apps running, the machine
seems to be using a lot of RAM and I can't figure out what and why.
Here's the top output
total 0.0% 0.0%
0.0% 0.0% 0.0% 0.0%
100.0%
Mem: 513292k av, 352408k used, 160884k
free, 0k shrd, 106080k buff
139380k
active,
83000k inactive
Swap: 1044216k av, 496k used, 1043720k
free
112940k cached
PID USER PRI NI
SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
1 root 16
0 420 420 360 S 0.0
0.0 0:04 0 init [3]
2 root 15
0 0 0 0
SW 0.0 0.0 0:00 0 keventd
3 root 15
0 0 0 0
SW 0.0 0.0 0:00 0 kapmd
4 root 34 19
0 0 0 SWN 0.0
0.0 0:00 0 ksoftirqd/0
6 root 25
0 0 0 0 SW
0.0 0.0 0:00 0 bdflush
5 root 16
0 0 0 0
SW 0.0 0.0 0:01 0 kswapd
7 root 15
0 0 0 0
SW 0.0 0.0 0:00 0 kupdated
8 root 23
0 0 0 0
SW 0.0 0.0 0:00 0 mdrecoveryd
12 root 15
0 0 0 0
SW 0.0 0.0 0:00 0 kjournald
489 root 15
0 0 0 0
SW 0.0 0.0 0:00 0 kjournald
775 root 16 0 600
600 516 S 0.0 0.1
0:00 0 syslogd -m 0
779 root 15 0 376
376 312 S 0.0 0.0
0:00 0 klogd -x
807 rpc 16 0
564 564 488 S 0.0
0.1 0:00 0 portmap
827 rpcuser 18 0 712 712
632 S 0.0 0.1 0:00 0 rpc.statd
876 root 17 0 1256
1192 1088 S 0.0 0.2
0:00 0 /usr/sbin/sshd
892 root 16 0 844
844 728 S 0.0 0.1
0:00 0 xinetd -stayalive -pidfile /var/run/xinetd.pid
903 root 18 0 480
480 396 S 0.0 0.0
0:00 0 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
915 root 16 0 600
600 528 S 0.0 0.1
0:00 0 crond
937 daemon 16 0 572 564
508 S 0.0 0.1 0:00 0 /usr/sbin/atd
947 dbus 18 0 676
652 584 S 0.0 0.1
0:00 0 dbus-daemon-1 --system
956 root 18 0 344
344 288 S 0.0 0.0
0:00 0 /sbin/mingetty tty1
957 root 18 0 332
292 280 S 0.0 0.0
0:00 0 /sbin/mingetty tty2
958 root 18 0 336
284 284 S 0.0 0.0
0:00 0 /sbin/mingetty tty3
959 root 19 &nbs p; 0
336 284 284 S 0.0
0.0 0:00 0 /sbin/mingetty tty4
960 root 19 0 336
284 284 S 0.0 0.0
0:00 0 /sbin/mingetty tty5
961 root 20 0 332
284 284 S 0.0 0.0
0:00 0 /sbin/mingetty tty6
1806 root 16 0 2024
2012 1704 S 0.0 0.3
0:04 0 sshd: root@pts/1
1808 root 15 0 1340
1276 1112 S 0.0 0.2
0:00 0 -bash
1863 root 15 0 2 020 2008
1704 S 0.0 0.3 0:11 0 sshd:
root@pts/2
1865 root 16 0 1388
1336 1144 S 0.0 0.2
0:01 0 -bash
2508 root 16 0 2000
1992 1704 R 0.0 0.3
0:02 0 sshd: root@pts/0
2510 root 15 0 1384 1384
1140 S 0.0 0.2 0:01 0
-bash
3744 root 16 0 1608
1604 1312 S 0.0 0.3
0:00 0 ssh -l root pr2
5600 root 16 0 1064 1064
888 R &nb sp; 0.0 0.2 0:00 0
top
I suppose cached/buffered memory are "free"
because free gives the following output
total
used free
shared buffers cached
Mem:
501
344
157
0
103 110
-/+ buffers/cache:
130 371
Swap:
1019
0 1019
but still, what's using 130 MB of RAM ?
Thanks,
Yang
