13, May 2008

how to identify which user is using a lot of CPU - webmaster forum

 
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« on: Jun 10, 2007, 12:00:34 PM »
Hi,

I try to monitor frequently my server with "top" just to see how fast my server is after a number of tasks are running.

today I noticed that there are a lot of tasks using a lot of CPU, now I like to know which user (linux user) is using so much CPU with the service httpd.

but all tasks for the service httpd are for the user apache. how can I see for which user is the task with PID 9300 executed?

is there a more global log file? (checking all the access logs is not really fun)
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« Reply #1 on: Jun 10, 2007, 03:30:38 PM »
Do you mean which site is using more CPU?

If so there is a utility called apache monitor.

Otherwise you can install darkstat which has some live statistics that can help determine which site is using more resources.
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« Reply #2 on: Jun 10, 2007, 03:46:32 PM »
Yes right I want to see which website is using a lot of CPU.

about "apache monitor", thats is a perl script right?

where to install? (there is not so much info)
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« Reply #3 on: Jun 10, 2007, 04:05:02 PM »
I can't help you more as I couldn't install it....
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« Reply #4 on: Jun 10, 2007, 04:09:45 PM »
Quote from: Nikolas on Jun 10, 2007, 04:05:02 PM
I can't help you more as I couldn't install it....

so you advice me to use a tool that you can't use Smiley
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« Reply #5 on: Jun 10, 2007, 04:17:34 PM »
I know a lot of people using it. I just couldn't install it Smiley
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« Reply #6 on: Jun 10, 2007, 04:22:52 PM »
Quote from: Nikolas on Jun 10, 2007, 04:17:34 PM
I know a lot of people using it. I just couldn't install it Smiley

hehe, I'm using now darkstat (apt-get) that's working fine...
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« Reply #7 on: Jan 03, 2008, 03:17:34 AM »
I did some searching - but I can't seem to find it - so I'm sorry if this is not completely helpful.  I did attend a Zend conference where they talked about a module that some people add into PHP/apache.  It allows you to see the current script being executed while using 'ps'.  I don't know if that would be helpful.  I'm sorry that I can't remember more details.  I would suggest start searching for items like that.
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« Reply #8 on: Jan 03, 2008, 07:36:16 AM »
Quote from: aaron_s on Jan 03, 2008, 03:17:34 AM
I did some searching - but I can't seem to find it - so I'm sorry if this is not completely helpful.  I did attend a Zend conference where they talked about a module that some people add into PHP/apache.  It allows you to see the current script being executed while using 'ps'.  I don't know if that would be helpful.  I'm sorry that I can't remember more details.  I would suggest start searching for items like that.
-aaron

Ho aaron and welcome, yes right there is a module called su_php this way all tasks are exectuted by the user (the bad point is that compiling this module together with DireactAdmin is not a biginner task)

I use Apache status now to see what request is using a lot of resources and was able to indentify hackers very fast
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« Reply #9 on: Jan 05, 2008, 01:32:23 PM »
BTW darkstat is well known for the security problems it had in the past. Be careful Wink
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« Reply #10 on: Jan 05, 2008, 01:34:27 PM »
Quote from: Nikolas on Jan 05, 2008, 01:32:23 PM
BTW darkstat is well known for the security problems it had in the past. Be careful Wink

I run darkstat only at the moment I need it
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