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load issue Linux


nick patrick

8:22 pm on Jan 22, 2009 (gmt 0)

5+ Year Member

hi i have a server with 4 gb of ram and its linux i have this server since 3-4 months and was running fine but before one day i got the load issue
root@host [~]# w
14:18:46 up 27 days, 22:21, 1 user, load average: 11.73, 6.96, 5.48
root pts/0 MY.MY.MY.MY 14:18 0.00s 0.02s 0.01s w
i just don't no whats the issue because i am not the server admin
but i have checked some
root@host [~]# netstat -an ¦grep :80 ¦wc -l
root@host [~]# mysqladmin processlist ¦wc -l

both are normal but when i checked # CPU/Memory/MySQL Usage from WHM so its showing MYSQL in RED


... any idea what the issue is and how do i check if mysql is taking much load so which database is ?


8:37 pm on Jan 22, 2009 (gmt 0)

WebmasterWorld Senior Member 5+ Year Member

first thing would be to actually look at the processlist in mysql so you can see what's running (and how long it's running. if it's heavy, you usually have a couple of seconds to see the processes). if you don't find the problem, ask your administrator to enable the mysql-slow-log, so that all slow queries will be logged to a special log file.

nick patrick

8:41 pm on Jan 22, 2009 (gmt 0)

5+ Year Member

as i said i just dont no anything about servers so which command will use to check the process list of mysql

nick patrick

9:06 pm on Jan 22, 2009 (gmt 0)

5+ Year Member

i found that optimizing MySql and Apache will fix the issue can anyone tell me how to optimize ?


9:11 pm on Jan 22, 2009 (gmt 0)

WebmasterWorld Senior Member 5+ Year Member

since you're already using
mysqladmin processlist
, just don't pipe it's output into wc. you'll see what's running in mysql right now.

as for optimization of mysql and apache: that may fix the issue. unfortunately, you cannot just set "optimize = 1" in some config file, you will have to tune the system and the configuration to fit your special situation and needs.

nick patrick

10:21 pm on Jan 27, 2009 (gmt 0)

5+ Year Member

ok i got the issue but i am still lookinh for solution the issue is apache + mysql is making much load on server but when i checked port80 so its
root@host [/home/threezee/public_html]# netstat -an ¦grep :80 ¦wc -l

i have tried the basic optimize of mysql+httpd.

please give me other ways with details and command lines i am new ;) its important for me :S


6:31 pm on Jan 28, 2009 (gmt 0)

5+ Year Member

You will want to use sysstat to start tracking disk/cpu/memory metrics. Then have an external tool poll certain pages on your site to generate a baseline of response. This way you can clearly track your progress.

I typically start with MySQL.

There is a tool called mysqltuner.pl that can give you some initial indications of problems but it is no substitute for having handle on MySQL tuning.

Sysstat is very useful in spotting hardware resource limits and depending on the limits being hit, there are different tuning paths.


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