Hey Steffan,<div><br></div><div>OpenVZ allows you to control separately both allocated and consumed memory. Not all allocated memory will be used.</div><div><br></div><div>So OpenVZ will allow you to allocate more memory than you host has: RAM + SWAP but the user land apps of your VEs will not be able to use it.</div>
<div><br></div><div>On my setups...</div><div><br></div><div>I set vmguarpages barrier to minimum amount of RAM that I want that the VE is able to allocate. OpenVZ guarantees this.</div><div><br></div><div>I set privvmpages barrier to the maximum amount of RAM that I want that the VE is able to allocate. I set privvmpages limit to a value higher than barrier, like 5%~25% more. OpenVZ does not guarantees that the extra amount of RAM will be allocable.</div>
<div><br></div><div>Then I set oomguarpages to same value of privvmpages limit. This isn't the best scenario for RAM utilization but ensures low incidence of processes being killed by kernel due out of memory condition.</div>
<div><br></div><div>Hope that it helps,</div><div><br></div><div>Peter</div><meta http-equiv="content-type" content="text/html; charset=utf-8"><meta http-equiv="content-type" content="text/html; charset=utf-8"><div><br><div class="gmail_quote">
On Thu, Dec 9, 2010 at 11:35 AM, Steffan <span dir="ltr"><<a href="mailto:general@ziggo.nl">general@ziggo.nl</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hello All,<br>
New to the list, loving openvz<br>
But having trouble finding out the right settings for the containers<br>
<br>
Can someone tell me if im in trouble or everything looks fine<br>
<br>
vzcpucheck -v<br>
VEID CPUUNITS<br>
-------------------------<br>
0 1000<br>
1 10000<br>
7 10000<br>
8 10000<br>
13 10000<br>
15 10000<br>
23 10000<br>
3 10000<br>
5 10000<br>
2 10000<br>
9 10000<br>
Current CPU utilization: 101000<br>
Power of the node: 1809010<br>
<br>
vzmemcheck -v<br>
Output values in %<br>
veid LowMem LowMem RAM MemSwap MemSwap Alloc Alloc Alloc<br>
util commit util util commit util commit limit<br>
9 1.44 45.79 1.13 0.97 10.77 2.16 3.42 20.15<br>
5 3.14 45.79 3.06 2.62 10.77 5.30 10.77 20.15<br>
3 3.96 45.79 3.08 2.64 10.77 5.06 10.77 20.15<br>
23 2.04 45.79 2.31 1.98 10.77 3.60 10.77 20.15<br>
15 2.69 45.79 3.45 2.95 10.77 5.25 10.77 20.15<br>
13 2.68 45.79 2.18 1.87 10.77 4.47 10.77 20.15<br>
8 3.33 45.79 4.21 3.60 10.77 5.91 10.77 20.15<br>
7 2.29 45.79 1.90 1.62 10.77 3.55 10.77 20.15<br>
2 2.41 45.79 3.39 2.90 10.77 4.72 10.99 20.15<br>
1 1.98 45.79 1.64 1.40 10.77 2.78 10.77 20.15<br>
-------------------------------------------------------------------------<br>
Summary: 25.96 457.95 26.34 22.55 107.69 42.80 100.57 201.49<br>
<br>
<br>
The hw node hs 24 Gb memory, expendable to 96G<br>
2 E5520 @ 2.27GHz quadcore processes<br>
<br>
How do i read this:<br>
25.96 % in use<br>
But overclocked for 457.95 % ?<br>
<br>
<br>
With regards<br>
<br>
Steffan<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Peter Senna Tschudin<br><a href="mailto:peter.senna@gmail.com">peter.senna@gmail.com</a><br>gpg id: 48274C36<br>
</div>