Re: Run linux in ramdisk(tmpfs) and use a mounted HD for files cause memory and CPU overflow!

[Jan Hudec <bulb@ucw.cz>]

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On Wed, Jun 29, 2005 at 14:00:56 -0700, Bryan Henderson wrote:
> Is there some symptom besides MemFree being small?  Does the system get 
> slow?  Ridiculously slow?  Does it hang?
> 
> [...]
>
> This stuff changes all the time, and with it the format of /proc/meminfo. 
> Unlike most of the /proc/meminfos I've seen, this version has nothing 
> about dirty pages in it, so it's hard to tell exactly where the system 
> sits.  I wonder if this information is somewhere else?  Anybody?

I have noticed there are quite many buffer heads, but I am not sure what
would be normal amount.

> There's one thing I don't get:  Where is the tmpfs data?  With no swap 
> space and only a couple megabytes of page cache, I can't figure it out. 
> Surely the root filesystem is bigger than a few megabytes?  Does someone 
> understand this?

I believe he talked about small system. So it actually can be just a few
megabytes. It obviously looks like setup for a router (with all the
iptables stuff loaded), which needs just a busybox, iptables to set it
up and perhaps ssh server so it can be reconfigured over network.

-------------------------------------------------------------------------------
						 Jan 'Bulb' Hudec <bulb@ucw.cz>

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