[mohaa] RAM and swap questions
William Warren
hescomingsoon at verizon.net
Fri Sep 24 12:49:39 EDT 2004
Nathan P. wrote:
> I run a moh:aa linux server - Red Hat 9.0 ; AMD 2400+ ; 1 Gig DDR RAM ; 80
> Gig ATA HD - Linux Kernel: 2.4.20-31.9 (I didn't compile this kernel). I
> had recently switched hosts and it's been running on this new host for about
> a week. I had 512mb of RAM and it wasn't using any swap space and I had
> about 100mb of free RAM.
>
> Just yesterday I got an upgrade to 1 gig of RAM - because I'm going to run a
> second moh:aa server. Then what the heck! It's using 30 mb of swap. I
> know that the way Linux and Windows handle "swap" are completely different
> and that Linux uses swap on purpose and caches stuff so that it's faster to
> load stuff blah blah. But what I've heard many times and I'm not sure if
> it's right - but I've heard that you don't want a game server using swap.
> Is that right? Actually that seems logical to me because RAM is a heck of a
> lot faster than a hard drive. It just seems funky that I go from no swap
> usage with 512mb of RAM to 30mb of swap with 1 gig of RAM.
>
> I'm trying to get them to check it out but they're really busy.
>
> Neways......any insight to this issue would be greatly appreciated.
>
>
> Thanks,
> NateDog
>
>
>
There is a bug in the rh9 series of kernels. Checkout this
bugzilla thread.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=89226
try the following command at the command prompt as root:
echo 1 10 10 >/proc/sys/vm/pagecache
If you get an error your kernel is too old. At this point either
find another kernel at the following link9drill through the
posts)https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=132155
then use the echo command noted above.
This is a redhat specific problem not a general linux kernel problem.
--
My "Foundation" verse:
Isa 54:17 No weapon that is formed against thee shall prosper;
and every tongue that shall rise against thee in judgment thou
shalt condemn. This is the heritage of the servants of the LORD,
and their righteousness is of me, saith the LORD.
-- carpe ductum -- "Grab the tape"
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