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Strange memory value on Geekbench
So I have a VPS with ChicagoVPS, the offer with 2 GB for 7$. I wanted to do a benchmark and I like Geekbench because we can see the result on a browser.
http://browse.geekbench.ca/geekbench2/view/543898
It's a normal result but I saw this:
Memory 23.5 GB
The first thing I thought was that during my last reinstall(that I did 2 hours ago) something went bad and I got 23.5 GB of memory. I did a free -m...
total used free shared buffers cached
Mem: 2048 40 2007 0 0 0
-/+ buffers/cache: 40 2007
Swap: 0 0 0
So I had 2 GB of ram...
I remembered a thread here about GeekBench, nobody there speak about that but on all the geekbench for OpenVZ, the memory was much higher.
128mb BuyVM: http://browse.geekbench.ca/geekbench2/456785
??? MB VolumeDrive: http://browse.geekbench.ca/geekbench2/457805
128mb Hostigation: http://browse.geekbench.ca/geekbench2/490865
1024mb Hostigation: http://browse.geekbench.ca/geekbench2/463206
I still don't know where GeekBench take this information and I don't know what it mean. It can be the host total memory.. if it's, we can now know how much vps by node(if they don't oversell).
Comments
geekbench will always show the node ram, not the container (openvz only)
+1
Oh,and RHEL5 nodes only (which is sad...)
So there is 24 GB of ram on my node on ChicagoVPS? Wow... how can they make money? (they don't seem to oversell, my user_beancounter seem ok and I used about 1.7 GB during more than one month with a minecraft server of 1 GB and a ram disk of 512 MB for the minecraft server)
Well, the only way I think, maybe is they colo his hardware, and are considering this offers "balancing" with the normal clients, but, I don't know
Could be that the hardware is older and paid off, and they make a little money off each node with a little overselling. It's better to make $25/month off the hardware than let it sit empty without customers while also making a good reputation for yourself.
Kairus,
You pretty much hit it on the head, that machine is older and useable so why not use it :-P
We colo all our equipment there is not a server we use that is not owned.
Regards,
Chris
I'm pretty sure there's overselling going on. In the week that I've used the 2GB promo, my Unixbench results have gone from ~3000 down to 700. This result is worse than the numbers I'm getting on my low end Burst.net box with access to only 1 CPU instead of the 4 CPUs that ChicagoVPS gives me.
@Coolin
That doesn't mean necessarily memory overselling. The processor maybe is getting abused, and also the I/O system. Probably that factors are main concern.
@yomero
I'm no professional at VPS administration, but I used the vzfree script which is supposed to check for RAM overselling. From what I can tell, it looks like there's significant swap file usage.
./vzfree
Total Used Free
Kernel: 2048.00M 9.69M 2038.31M
Allocate: 2048.00M 1563.23M 484.77M (2048M Guaranteed)
Commit: 2048.00M 924.12M 1123.88M (58.5% of Allocated)
Swap: 738.00M (80.7% of Committed)
Am I reading the output wrong or is over 80% of my used RAM is being swapped? That's pretty ridiculous.
You are right then.
And if the node is starting to swap, the IO is starting to suck... lol
I am at node30 btw
Yeah, I'm on node 29.