Server hangs out for ran out of the swap space.

hello ev1;

for five day in a row my server hangs out ( i cant enter on it, but still with ping) because is ran out of the swap space always at the same time. Is a server with 2 Gb of ram and four 4 Gb of swap and only receive http request

Could be a memory problem, yesterday i disable the omm-killer what i saw it in the logs but with not luck, the server continue hangs every night.

I'll ask to the DC a change of the physicals mem .

Have anyone any idea to stop the hangs ?.

Thanks if you need futher information please let me know.

Regards!

 

how about setting a cron job to clean out the swap space and/or restart the httpd service.

 

hello chipsafts thanks for quickly answer but, in which way i can clean my swap memory ?

I have a cron already controlling the httpd process ?

Other way i was thought is limitds de httpd process in the /etc/security/limits.conf , could be good ?

Many thanks!

 

presuming your swap is called /tmp ,
at the command line do

Code:

ls -l /tmp  | head -21

copy and paste the results in a reply. Seeing a subset of the files being created might help.

 

As far as i know my swap is a single partition; here is my /tmp output and added the df and fdisk -l output too.

Code:

root@server1 ~]# ls -la /tmp  | head -21
total 28
drwxrwxrwt   3 root   root   4096 Jun 12 18:05 .
drwxr-xr-x  24 root   root   4096 Jun 12 18:03 ..
-rw-r--r--   1 root   root     34 Jun 11 04:35 errores_sushiclean.txt
drwxrwxrwt   2 root   root   4096 Jun 12 18:03 .ICE-unix
srwx------   1 root   root      0 Jun 12 18:05 .racoon
-rw-r--r--   1 nagios nagios    0 Jun 12 18:33 tables
-rw-r--r--   1 root   root   2077 Jun  2 12:43 tcpdump

[root@tserver1 ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda3            113267944  35458020  72056248  33% /
/dev/hda1               101086     17527     78340  19% /boot
none                   1037476         0   1037476   0% /dev/shm
[root@server1 ~]# fdisk -l

Disk /dev/hda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1          13      104391   83  Linux
/dev/hda2              14         267     2040255   82  Linux swap
/dev/hda3             268       14593   115073595   83  Linux

Hope it help for a solution.

Thanks

 

Can your run

Code:

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and check which applications are eating up your memory?

Did you optimize Apache? http://www.howtoforge.com/configuring_apache_for_maximum_performance