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11-04-2006, 10:23 PM #1Web Hosting Evangelist
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1000.00 Load for Dual Xeon? Normal?
Now I have a client who claims his server runs at 1000.00 and thats considered almost normal, now he says I should change my script from the 1.0 = 1CPU rule.
Which means for a server like his I would need to change it to 250.00 Load = 1CPU..
And this would be crazy as I know Apache would crash before the load even reached 50% with the calculations set like that.
Whats everyone else's view?
What do you consider a good load value for each CPU?
My Current Values: 1CPU = 1.0, 2CPU's = 2.0, Dual Xeon = 4.0
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11-04-2006, 10:34 PM #2Predatory Poster
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Well FreeBSD can operate with high load averages but 1000 ? I would think the server would crash long before it got that high.
*checks site5 to make surePatron: I'd like my free lunch please.
Cafe Manager: Free lunch? Did you read the fine print stating it was an April Fool's joke.
Patron: I read the same way I listen, I ignore the parts I don't agree with. I'm suing you for false advertising.
Cafe Owner: Is our lawyer still working pro bono?
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11-04-2006, 10:38 PM #3Web Hosting Rockstar
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Your estimates sounds about right.
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11-04-2006, 10:42 PM #4Web Hosting Master
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Server load at 1000 ? I don't think i can even access the server. A load of 100 will get the whole thing crawl like a turtle(maybe even slower )
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11-04-2006, 10:54 PM #5Web Hosting Evangelist
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Just a quick quote here...
my server can hit load 30 and still be running fine so this seems incorrect, also i have mail servers that can hit a load of 500-1500 and still be running fine
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11-04-2006, 10:56 PM #6Web Hosting Master
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That's amazing. Is he sitting beside the server? ^_^
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11-04-2006, 11:00 PM #7Web Hosting Evangelist
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Maybe its a government super computer 0.o
I was mainly just trying to find out if I was right or not, I mean wouldn't want all my clients thinking there servers were overloaded if they were not...
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11-04-2006, 11:05 PM #8Web Hosting Master
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he's definitely calculating things differently. The way you wrote your script is the correct way to establish percentage of use (i bought your script).
As can be seen here:
http://www.e-referrer.com/sysinfo/Show your reciprocal links on your website. eReferrer
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11-05-2006, 05:53 AM #9Web Hosting Guru
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for a dual zeon with ht, 10.00 should be the cutoff load
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11-05-2006, 07:27 AM #10Web Hosting Master
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Originally Posted by scribby
brilliant
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11-05-2006, 08:30 AM #11Web Hosting Evangelist
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well personally i find it embarassing to have to explain to my server administrators that the fact that the script shows such a low load is that the coder of the script doesnt believe load can go above 2.0, they are laughing at this.
hostgator dont keep their servers at 10, they keep them at 3-5, however they dont investigate a server for moderate load until it reaches 10
the majority of server administrators are not in the webhosting community, they are in administration/corp
and what do you mean about it being abused, i bought the script, i should be able to edit this value if i want (apart from the fact that you encrypt the script for no reason)
Completely changes his view, now all of a sudden he saying around 3-5 when before he was giving me values in the thousands.
I said the value cannot be changed due to the fact that it would be abused by hosts trying to pass there servers off as having load loads while in fact they have large loads.
I knew from the start a server can go over 2.0, no need to be insulting...
I think most people would agree with me, if you have 1 CPU and you get to 1.0 Load constantly that may be alright (although I still wouldn't run it like that) but once you start going over that 1.0 load then your server will have slower response times.
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11-05-2006, 11:11 AM #12Web Hosting Master
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There is really no way to make the numbers comparable between any two different systems. In the simplest sense, load averages indicate how many processes are waiting on CPU time. If you had eight way dual-core SMP and large numbers of very fast processes, then you could have extremely high load averages without trouble whereas a single CPU running very large, slow processes however might be completely shut down at a tiny fraction of that load.
1.0 per physical CPU will tell you if the CPU is waiting, but it won't tell you whether that waiting has any effect whatsoever on content delivery.
If you want to be a bit more accurate, you could run a benchmark process during script install which measures how long it takes the current system to execute specific (N*CPU) high load tasks and use that to modify your numbers, but even then there are so many factors (memory, disk I/O, network, etc.) that the results would still be far from reliable.http://www.srohosting.com
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