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- QUESTION:
- How much bandwidth can you handle?
ANSWER: - THE QUESTION:
How much bandwidth per second in terms of no. of HITS and MB can my dedicated machine with Linux and Apache theoretically handle?
I don't mean number of domains, I mean on an average how many MB/second and how many hits/second can the server take without the processor usage reaching too high.
THE ANSWER:
The difficulty with this question is that it deals with a very subjective situation. The limit on the bandwidth is really limited by the machine's processor, memory and disk throughput. It's not limited by our local ethernet which is all switched 100Mb ethernet, nor would it ever be bottlenecked by our connection to the Internet.
The limit also depends on what you consider acceptable performance for a web server. Acceptable performance is usually measured by either the machine's load average or the percentage of memory being used. As these two numbers increase the machine's performance will gradually decrease until it crashes.
With this in mind please know that the type of traffic also effects the total amount that a box can take on. If most of your traffic is straight html pages then you would be able to handle more bandwidth on that box than a box that has a number of perl scripts or mySQL queries that have to run and serve up dynamic content. CGI and queries will exhaust the system resources much quicker and thus limit the amount of
traffic that a server can handle. So, it really is dependent on what your specific box has to process in addition to simply handling the transfer.
I have seen some boxes run with 60 gigs of traffic and over 2 million hits a month when most of their traffic is comprised of downloads and basic html pages. I have also seen the same type of box top out with under 10gig of traffic a month and less than 500,000 hits because they have inefficient cgi programming that requires a lot of memory and processor time.
I hope this helps explain the situation.
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