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Full Discussion: how to check memory usage ?
Operating Systems Linux how to check memory usage ? Post 302503545 by mrugesh78 on Thursday 10th of March 2011 11:25:37 PM
Old 03-11-2011
how to check memory usage ?
hello,

I have purchased VPS from one webhosting company. VPS comes with Virtuozzo power panel. It has 512MB gurranted RAM and dynamic RAM 2048 MB.

I have hosted single domain with 50MB database and wordpress installation.

But I am getting resource alerts. It goes sometime in yellow zone. I am not able to trace which thing is consuming more memory. My site has 3000 posts and 50,000 comments. is it because of that ? is it because of apache and mysql connections ? it is because of any plug-ins ?

how to trace that ? I have installed putty and typed "top" which is showing me following status at this time :

Code:
Tasks:  41 total,   4 running,  36 sleeping,   0 stopped,   1 zombie
Cpu(s):  2.3%us,  0.7%sy,  0.0%ni, 97.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   2097152k total,   387380k used,  1709772k free,        0k buffers
Swap:        0k total,        0k used,        0k free,        0k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
21632 readguja  15   0  160m  35m 7072 R 11.3  1.8   0:00.34 php-cgi
21634 readguja  16   0  152m  27m 6768 R  8.6  1.4   0:00.26 php-cgi
20348 apache    16   0     0    0    0 Z  1.7  0.0   0:00.09 httpd <defunct>
30666 mysql     15   0  233m  28m 5860 S  0.7  1.4 188:10.08 mysqld
    1 root      15   0 10348  740  620 S  0.0  0.0   0:03.32 init
 3642 root      18   0 96572 3764 2896 R  0.0  0.2   0:00.06 sshd
 3759 root      15   0 12064 1640 1288 S  0.0  0.1   0:00.05 bash
 8009 postfix   18   0 54208 2376 1816 S  0.0  0.1   0:00.10 tlsmgr
14329 apache    18   0  227m 9580  472 S  0.0  0.5   0:01.16 httpd
19990 apache    18   0  289m  12m 1684 S  0.0  0.6   0:00.13 httpd
20321 apache    18   0  289m  12m 1688 S  0.0  0.6   0:00.06 httpd
20378 apache    16   0  289m  12m 1680 S  0.0  0.6   0:00.05 httpd
21519 apache    18   0  289m  12m 1688 S  0.0  0.6   0:00.01 httpd
21593 root      15   0 12608 1200  924 R  0.0  0.1   0:00.01 top
21608 apache    15   0  288m  12m 1644 S  0.0  0.6   0:00.00 httpd
21613 apache    18   0  288m  12m 1644 S  0.0  0.6   0:00.00 httpd
21615 apache    15   0  288m  12m 1664 S  0.0  0.6   0:00.00 httpd
21770 postfix   16   0 55104 2300 1776 S  0.0  0.1   0:00.00 pickup
25952 root      18  -4 12604  676  360 S  0.0  0.0   0:00.00 udevd
26262 root      15   0  5908  624  500 S  0.0  0.0   0:04.25 syslogd
26295 root      15   0 62624 1208  648 S  0.0  0.1   0:11.85 sshd
26304 root      15   0 21644  936  724 S  0.0  0.0   0:00.08 xinetd
26320 root      21   0 13164  600  468 S  0.0  0.0   0:00.00 couriertcpd
26322 root      18   0  3656  376  308 S  0.0  0.0   0:00.00 courierlogger
26330 root      20   0 13164  600  468 S  0.0  0.0   0:00.00 couriertcpd
26333 root      22   0  3656  380  308 S  0.0  0.0   0:00.00 courierlogger
26339 root      15   0 13164  612  476 S  0.0  0.0   0:00.08 couriertcpd
26341 root      18   0  3788  552  464 S  0.0  0.0   0:00.01 courierlogger
26348 root      20   0 13164  600  468 S  0.0  0.0   0:00.00 couriertcpd
26350 root      20   0  3656  372  308 S  0.0  0.0   0:00.00 courierlogger
26407 root      18   0 54148 2308 1764 S  0.0  0.1   0:12.82 master
26414 postfix   15   0 54396 2424 1836 S  0.0  0.1   0:03.02 qmgr
26418 root      18   0  288m  19m 9812 S  0.0  1.0   0:38.42 httpd
26438 root      15   0 20872 1188  588 S  0.0  0.1   0:01.36 crond

How can i find that which thing is consuming more memory ?

please help. I have no detail idea of linux.
Last edited by pludi; 03-11-2011 at 03:36 AM..
 

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