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Load Average of > 1.00, VPS host says this is normal but i dont see any process use
| Posted by o-dog, 03-11-2011, 09:46 AM |
| Hi, my VPS load average is over 1.00, sometimes at 2+, VPS host says this is normal but i dont see any process use or where this resource is being consumed by running top - all processor use is 0%.
Any ideas? Is my understanding wrong? I thought anything over 1 is 100% and not good?
Thanks,
Chris
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| Posted by o-dog, 03-11-2011, 09:50 AM |
| Also other info that might help:
The guest is CENTOS 5.5 x86_64 virtuozzo, it has 2GB RAM with upto 4GB burst.
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| Posted by Russ Foster, 03-11-2011, 09:51 AM |
| I would think that the host machine is overloaded, most likely in IO Wait. A load of 1 on a busy VPS is fine but on something that is totally idle is wrong
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| Posted by net, 03-11-2011, 10:04 AM |
| Even if it is overloaded, he won't see the high load in his VPS.
In his case, he is seeing over 1.0 in his own VPS.
OP: You should check the processes carefully. There might be some process doing this high load.
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| Posted by o-dog, 03-11-2011, 10:11 AM |
| I am not an expert on VPS's but all i know is that I/O can cause high CPU load... without seeing any process whilst running top and ps -aux i dont know what else would cause this. I just checked the zabbix box, loads on this node have gone from nominal 0.1 to 0.5 for the past week to over 1.0 to 2.0 since 12:30 today.
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| Posted by Hsunami, 03-11-2011, 11:08 AM |
| An overloaded node or abusive neighbors can definitely affect your VPS and cause you to see higher than usual load.
I've been with truly budget providers and even on a fresh empty OS, the load was hovering at ~1.5 for several days.
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| Posted by o-dog, 03-11-2011, 11:27 AM |
| I had a reply and no light has been shed on the issue... would you find this response below acceptable?
"Load can vary according to the traffic towards your server as well the way you configured your server to make the proper usage of resources by the services. And this difference can make you to access server slowly sometimes.
Regarding Zabbix graphs, it really depends upon the way you configured it to use."
Thanks for the replies guys
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| Posted by server prodigy, 03-11-2011, 12:18 PM |
| I have a very powerful node w/ over 80 VEs on it and any time I see anyone pushing a load of greater than 1 for more than 15 minutes I get an alert and go looking for the abuser.
I've seen all kinds of fun stuff cause this - VPN / Proxy TV watching, folding @ home, game server hosting - we don't put up w/ it. Anyone pushing high loads on a shared resource is asked to stop if the activity is a TOS violation and if they continue we take steps to solve the issue ourselves.
Sounds like an overloaded host or a host who doesn't care / know how to admin a VPS system.
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| Posted by viGeek, 03-11-2011, 12:27 PM |
| Pull a full list of the processes with CPU/MEM usage.
ps aux | awk '{print $3,$4,$11}'
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