512MB Memory VPS... Out Of Memory Already

Oct 1, 2009

I have a 512mb DV server with Mediatemple, which I am running 24 (ish) domains off (most of them static websites) and a teamspeak server. I would say MAX theres 10 users online at a time)

Now, I know its running out of memory because i get frequent QoS Alerts in plesk (kmemsize is apparently the memory size):

Oct 01, 2009 11:52:57 AMBlack zonekmemsize

I have attached my results (when I did top).

My questions are:

1. Should I be expecting to be out of memory running what I am?

2. Is there a way to see the problem domains (memory wise)?

3. Are there any ways I can reduce the memory? (I have followed this already:
[url]

4. Where is the memory usage coming from (I am finding it very hard to understand TOP)

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Cpanel VPS - Plenty Of Free Memory, But 'committed' Memory Exceeds VPS RAM

Jun 12, 2009

I have a VPS. And have had an issue both when it was 1Gig and now I recently downgraded it to 768m, because I am moving some sites to a dedicated.

However, the part I am having trouble grasping is that when I look at graphs from Munin, it will typically always show 200-400MB free memory (and free -m and top agrees with munin), but Munin shows 'committed' memory that is above the total Ram on the VPS and once the 'committed' ram exceeds the VPS limit, processes start failing.

So, why is 'committed' memory exceeding the RAM on my VPS, when Munin, free -m and top all show there is free memory available?

Code:
root@server [~]# free -m
total used free shared buffers cached
Mem: 768 449 318 0 0 0
-/+ buffers/cache: 449 318
Swap: 0 0 0
Here's a graph that munin produces that shows the 'committed' memory exceeding the total memory.
[url]

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Quote:

# uname -a
Linux server2.[url]2.6.18-128.1.10.el5 #1 SMP Thu May 7 10:35:59 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

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[url]

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exim (exim-4.68-1_cpanel_maildir)up
ftpdup
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imapup
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----------------------------------------------
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This is apache.conf
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MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0

KeepAlive On

MaxKeepAliveRequests 100

KeepAliveTimeout 15

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