PS - How to analyze what is memory using for?


#1

Hi all, i have vbulletin forum with 2000+ user online at one time
since 5 days a go i have upgraded to private server

5 days a go i just using 323 MHz ($32/month)

3 days a go i increase it to 800 MHz ($80/month)

but the memory graphic in https://panel.dreamhost.com/index.cgi?tree=vserver.usage& always increasing

yesterday i change it again to 1311 MHz

but the memory graphic today say the max is 1536 MHz

i am sure there is no significant increased visitor in my forum and other website,

i want to search where is exactly in my websites that the most using memory resource from, how to do that?


#2

With so many users you might consider this option:

http://www.yui-life.com/2008/litespeed-on-dreamhost-ps-final-optimizations-for-stability-and-lowest-cost/

It saves a substantial amount of resources.

You may ask him about the vpsinfo script:

http://yui-life.com/vpsinfo.php

It should help you too.

Decio.


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#3

Are you using lots of plugins?

Also, have you tries asking the folks on the vbulletin.org forum?

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#4

thank you for the link, i will considering it

yes you right, i use a lot plugin, but not from vbulletin.org, it is custom plugin

but my question is not answered yet : How to see what area in my website/forum that eat the most resource?

maybe using ssh or other stats feature


#5

Have you read this article in the vBulletin documentation on optimizing plugin memory usage? It says, “The plugin system works by storing all plugin code for all scripts in memory, so you can quickly find your plugins using large amounts of memory if they contain a lot of code.”

Regarding memory usage, I think it’s a pretty arcane topic. Have you at least logged into the shell and run top and ps and tried to see which scripts are using what amounts of memory?

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#6

What command to do this in ssh? :

Have you at least logged into the shell and run top and ps and tried to see which scripts are using what amounts of memory?


#7

top

ps

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