On Sun, 2007-28-10 at 23:04 +0000, Graham Dumpleton wrote:
> On Oct 29, 8:04 am, iain duncan <[EMAIL PROTECTED]> wrote:
> > Hi y'all, I have client sites deployed on VPS's from slicehost, and have
> > been really happy with them so far. My only concern is that CP seems to
> > use a lot of ram. What is a good guideline for how much ram to have per
> > running cherrypy?
> >
> > Will deploying with mod_wsgi change that?
>
> If the memory use comes from the core of CherryPy/TurboGears, then
> moving to mod_wsgi wouldn't make much difference.
>
> Now, are your memory concerns coming from the amount of private
> process memory (RES) or the amount of virtual memory (VIRT). For some
> VPS providers the amount of virtual memory can be used in calculations
> for the Memory Limit of your VPS even when the memory hasn't actually
> been allocated as physical memory. This can cause problems in Linux
> where a multithreaded web server is used, as Linux appears to use the
> process default stack size for any threads created as well. That is,
> the designated stack size for threads will be 8MB. Have enough threads
> and this can blow out virtual memory size and you might start hitting
> your VPS memory limit. Non Linux systems such as MacOS X are a bit
> more sensible and default to 8MB for main process thread and only
> 512KB for subsequent threads.
> So, what do you get if you run the following in your VPS?
>
> ulimit -s
8192
>
> Also, in Python what do you get if you run:
>
> import thread
> print thread.stack_size()
Traceback (most recent call last):
File "<stdin>", line 1, in ?
AttributeError: 'module' object has no attribute 'stack_size'
;)
>
> Finally what is your VPS memory limit and what sizes are you getting
> for RES and VIRT for your web application processes?
It's supposed to be 256, and here is an edited print out of ps axu for
all the heavies:
1805 0.0 5.5 151748 14380 /usr/sbin/mysqld
10259 0.0 14.5 203848 37876 /usr/bin/python ./start-tgcms.py
16351 0.0 14.5 204952 38080 /usr/bin/python ./start-tgcms.py
29588 0.0 6.1 80144 16004 /usr/sbin/apache2 -k start -DSSL
30540 0.0 12.2 196688 31920 /usr/bin/python ./start-momcafe.py
30725 0.0 4.5 80276 11920 /usr/sbin/apache2 -k start -DSSL
30726 0.0 4.5 80276 11912 /usr/sbin/apache2 -k start -DSSL
30727 0.0 4.5 80276 11912 /usr/sbin/apache2 -k start -DSSL
30728 0.0 4.3 80144 11356 /usr/sbin/apache2 -k start -DSSL
30729 0.0 4.3 80144 11344 /usr/sbin/apache2 -k start -DSSL
30743 0.0 4.3 80144 11344 /usr/sbin/apache2 -k start -DSSL
Output of free -m:
total used free shared buffers
cached
Mem: 254 202 52 0 2
29
-/+ buffers/cache: 171 83
Swap: 511 78 433
I really don't know much about servers so if you can tell me if this
looks right or I am doing something wrong, that would be very much
appreciated.
Thanks!
Iain
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"TurboGears" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/turbogears?hl=en
-~----------~----~----~----~------~----~------~--~---
