Re: Kernel memory

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Author: JD Austin
Date:  
To: Main PLUG discussion list
Subject: Re: Kernel memory
Which kernel are you using?
2.6 Kernels supposedly have better memory management than 2.4.

Shawn Badger wrote:
> Yes, kind of like DOS, apparently the kernel does use this low memory
> for a process handling area as well as buffer storage for TCP and
> other traffic. I also found a new command that I didn't know of before
> call slabtop. it shows you the top items using slab. I haven't totally
> figured out what exactly slab is yet, but I am reading whatever I can
> find on it.
>
>
>
> On Nov 13, 2007 8:09 AM, JD Austin <
> <mailto:jd@twingeckos.com>> wrote:
>
>     Shawn Badger wrote:
>>     I am having this on going problem with my sever running out of
>>     low memory, or that is at least what my support company is saying.
>>     The question I pose the group is how can I tell how much memory
>>     is left in the low memory area that the kernel uses and what is
>>     using it?

>>
>>     I have been looking at /proc/slabinfo and playing with slabtop,
>>     but I have no clues what I am looking at in theses areas.

>>
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>     I haven't heard of 'low memory' referenced since the dos days ;)
>     Are they talking about physical memory versus swap?
>     Typically in linux I use the 'free' command to see how much memory
>     is available and used.

>
>
>     -- 
>     JD Austin
>     Twin Geckos Technology Services LLC
>     email:  <mailto:jd@twingeckos.com>
>     http://www.twingeckos.com
>     phone/fax: 480.288.8195 

>
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--
JD Austin
Twin Geckos Technology Services LLC
email:
http://www.twingeckos.com
phone/fax: 480.288.8195


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