[Samba] Samba memory usage - how big is it?

[Volker Lendecke]

On Thu, Nov 13, 2008 at 02:29:38PM +0100, Mike Gallamore wrote:
> Similar on Solaris, they have a built in utility called pmap:
> 
> pmap <pid> gives output just about total virtual memory, ex:
> FF3F6000       8K rwx--  /lib/ld.so.1
> FF3FA000       8K rwxs-    [ anon ]
> FFBE0000     128K rwx--    [ stack ]
>  total     29632K
> 
> pmap -x <pid> gives extended info ex:
> FF3F6000       8       8       8       - rwx--  ld.so.1
> FF3FA000       8       8       -       - rwxs-    [ anon ]
> FFBE0000     128     128      64       - rwx--    [ stack ]
> -------- ------- ------- ------- -------
> total Kb   29632   26088    1584       -
> 
> We are currently running Samba 3.2.4 on our system. I can't remember  
> what our memory footprint was before we upgraded from 3.0.24. That  
> said, with the amount of RAM on our system we don't get more than 70%  
> RAM use at any time, even while driving 2 tape robots and 30  
> filesystem/raid arrays from the box.

Well, 32GB for just 117 users is just way over the top.
Samba alone should be able to work with a LOT less memory.
How does the Solaris pmap calculate the 29632k? Adding up
the numbers above that I end up at 144k which is probably
too little.

Volker
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