i oversell has users don't use that much space
Even a free host shouldn't oversell.
i oversell has users don't use that much space
I am not saying linux cant do it. So I will soon start a test run on a linux box.
Now lets get to the interesting part. There is a host out there called x10hosting and many others who have a huge number of users on their free hosting service. For example x10 has over 400k users. That means if they have 500 sites/users per server then they have 800 servers, that is awefully costly and impossible to run, economically speaking. Thats what challenges your argument about overloading. Because they have done it. Its real.
It IS possible to have 5000+ users on a single machine. I've seen it first hand. Is it practical? No. Was it stable? No. Was it oversold? Extremely.
What enlightens me are mainly two things. If the are doing it then linux must have passed that barrier of hosting 5k or 10k sites per server. Bcs thats the only affordable figure that matches with many such hosts lately. Secondly most sites on such hosts are dead. So if the server can handle many sites then the business becomes economically viable. And for those sties which does bring in some crowd, I can bring in the cash to afford it some how.
Cant wait to setup my cpanel box and give it a try!
I'm curious myself about this, since you have a valid point that with Linux being open source surely someone out there has a fix for the UID limitation especially if some hosts actually do have thousands of users to a machine.
But in practice by the time you actually get said thousands of users in a production environment you should be able to make enough money off of them to afford a fleet of servers and staff to manage them all. Now on the bench it might be a different story, but on the bench you can safely ignore overselling effects because none of the resources are actually being used.
I think the best way to find out is to just get in there and do it, perhaps develop a script to automate the setup and teardown so you can experiment with different stress levels to see what happens. I'd love to hear the results, because even though I am never going to oversell my stuff there may come a time when I have sufficiently large hardware to actually put thousands of people onto the same operating system install- either using clustered hardware, or a really big machine that actually has the resources to pass around.
Also, I can see where having such huge numbers of clients can make the server difficult to manage. Almost all of the daemons have to reload their config file any time they are started or restarted. Apache and MySQL in particular are likely to take a long time to do this because each account will make an entry in the configuration files.
Plus if your servers use PHP CGI or some other method of running PHP as the owning user, you'll find very quickly that you'll run out of open process IDs because each account on even the slightest of traffic will attempt to launch and maintain a worker process for PHP processing.
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Pls take a peek at my next post after 10min as I am gonna ask some key questions there, which might be of interest.
First what is this linux UID about? Does it put a barrier on how many sites a cPanel box can have? Why ? Any idea?
Even if there is any such limits the free hosts have bypassed it some how. even the big free hosts dont look like companies with a supercomputer. I woudnt say they have more that pc servers, looking at their sites! I believe that is finely doing the task for them. so no sweat.
I need to know a little more about how cpanel and linux handle sites? Please shed me some light. Does every site consumes or reserves some memory when active? That would ruin they day bcs not many sites can be active at the same time then. However if sites shares the memory and dont reserve for each site then we can handle huge traffic there.
Let's suppose they can buy hardware at $500 on bulk /special discount. Then sure, they might have 400K users.
I kept saying that the Free Host industry blinds itself with Small Dollars, so that any random company with $10,000 to burn can rewrite this industry.
The most you're going to get in free hosting for your first year is maybe one or two real sites and around 100-200 idle sites that do nothing other then gather dust. That's not including the, oh, 3000+ spam accounts you're going to have to sort through in the first two months alone. I know this from first hand experience.