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Web Hosting - Bandwidth and Server Load, What's That?
Two key performance metrics will impact every web site owner sooner or later: bandwidth and server load.
Bandwidth is the amount of network capacity available, and the term actually covers two different aspects. 'Bandwidth' can mean the measure of network capacity for web traffic back and forth at a given time. Or, it sometimes is used to mean the amount that is allowed for some interval, such as one month. Both are important.
As files are transferred, emails sent and received, and web pages accessed, network bandwidth is being used. If you want to send water through a pipe, you have to have a pipe. Those pipes can vary in size and the amount of water going through them at any time can also vary.
Total monthly bandwidth is a cap that hosting companies place on sites in order to share fairly a limited resource. Companies monitor sites in order to keep one site from accidentally or deliberately consuming all the network capacity. Similar considerations apply to instantaneous bandwidth, though companies usually have such large network 'pipes' that it's much less common for heavy use by one user to be a problem.
Server load is a more generic concept.
It often refers, in more technical discussions, solely to CPU utilization. The CPU (central processing unit) is the component in a computer that processes instructions from programs, ordering memory to be used a certain way, moving files from one place to the next and more.
Every function you perform consumes some CPU and its role is so central (hence the name) that it has come to be used as a synonym for the computer itself. People point to their case and say 'That is the CPU'. But, the computer actually has memory, disk drive(s) and several other features required in order to do its job.
Server load refers, in more general circumstances, to the amount of use of each of those other components in total.
Disk drives can be busy fetching files which they do in pieces, which are then assembled in memory and presented on the monitor, all controlled by instructions managed by the CPU.
Memory capacity is limited. It's often the case that not all programs can use as much as they need at the same time. Special operating system routines control who gets how much, when and for how long, sharing the total 'pool' among competing processes.
So, how 'loaded' the server is at any given time or over time is a matter of how heavily used any one, or all, of these components are.
Why should you care?
Because every web site owner will want to understand why a server becomes slow or unresponsive, and be able to optimize their use of it.
When you share a server with other sites, which is extremely common, the traffic other sites receive creates load on the server that can affect your site. There's a limited amount you can do to influence that situation. But if you're aware of it, you can request the company move you to a less heavily loaded server. Or, if the other site (which you generally have no visibility to) is misbehaving, it's possible to get them moved or banned.
But when you have a dedicated server, you have much more control over load issues. You can optimize your own site's HTML pages and programs, tune a database and carry out other activities that maximize throughput. Your users will see that as quicker page accesses and a more enjoyable user experience.
Check Out Powerhouse Wal-Mart's Free Offer Page Are you a Wal-Mart fan looking for the best in freebies and special offers? If so, you are in luck. Although Wal-Mart is not typically considered one of the best sources for freebies or coupon shopping, this giant corporation has recently stepped up its promotions, making many dedicated freebie hunters very happy. Here are some tips on getting the best shot at the best Wal-Mart freebies and promotions. Bookmark the Wal-Mart Promotions Page for Easy Access to Freebies and Deals Wal-Mart, like many other companies, has begun to dedicate a special section of their webpage specifically to free offers, along with other deals and promotions. This page is definitely worth checking out on a regular basis. Bookmark this website if you are serious about getting the latest and greatest Wal-Mart deals and promotions. Some of the offers on the page will be around for a months, while others may disappear in a matter of days. Part of the thrill of being a freebie hunter is being vigilant and not letting the best deals slip away from you. You might even consider setting up your very own freebie calendar to make sure that not one good deal slips by you. Tips and Hints for Getting the Best Free Offers from Wal-Mart If you are new to the world of freebie offers, or you have never visited the Wal-Mart site before, here are some tips for getting the best out of Wal-Mart freebie offers. The Wal-Mart free offers webpage is a great resource if you are really interested in Wal-Mart promotions and freebies. Begin by selecting the offers that interest you more. Once you click on a specific offer, you will have to wait for the page to load that provides you with all the details of the offer. Somewhere on the details page—sometimes you have to hunt around for it—you will find a link for the free sample. Once you click on this free sample link, you will get a pop-up window that provides you with the free offer request form. Make sure that you have enabled pop-up windows so that you do not miss out on any special offers or deals. Figuring Out the Tricks of the Wal-Mart Free Offers Page Some freebie hunters have expressed confusion with the Wal-Mart free offer page. That is, some consumers have complained that the page is often difficult to get to, or that it will not load property. To make sure that you don't have trouble with this important resource, you will want to make certain that you are accessing the page with an updated browser over a secure high speed Internet connection. Although you will probably be able to access the free offers webpage with an older web browser over a slower Internet connection, you will probably be more likely to run into snags. The easiest way to get to the page is to bookmark it directly. Otherwise, you will probably have to take several moments to search for it if you only return to the website periodically. The Wal-Mart front page is crowded with text, images and promotions, which can make it difficult to get to the free offers page. Remember to refresh the bookmarked free offer page every time that you return to it, just to make sure that you are looking at the freshest offers. Are There Any Risks Associated with Getting Freebies from Wal-Mart? If you are concerned about your privacy, you may wonder whether there are any known risks associated with requesting information directly from the Wal-Mart free offers page. Read the company's privacy policy carefully if this is a major concern. The company states that they will not share or sell your personal information. However, be aware that the company may send you their own marketing and promotional materials. You may also receive email mailings. Copyright Infringement Lawsuit Who are in Copyright Infringement Lawsuits? A copyright infringement lawsuit can be brought down for any number of reasons: someone using a song in a podcast or radio program, a writer ‘borrowing’ information from another work, the copying of video or mp3 off the internet without permission (or sometimes, even to another CD or DVD). Copyright infringement lawsuits are not generally brought to the average person, unless they’re downloading a LOT of music or movies, but usually for large operations: software pirates reselling goods on eBay or to some other unsuspecting victim, someone ‘sampling’ a song to make another, or maybe a person reselling mp3s online. When you understand the implications of it, copyright infringement lawsuits aren’t frivolous as some people may make it seem. For the most part, the average person’s familiarity with a copyright infringement lawsuit is taking down copyrighted material after receiving a nasty email. The use of works that are used in major record albums my major recording stars like Britney Spears or 50 Cent, people will begin copyright infringement lawsuits for songs that bear resemblance to another song. Usually these suits will be lost because it’s rather hard to prove inspiration, but they are rather costly and draining, especially if there isn’t a large backing legal team. Copyright infringement lawsuits for large enterprises can be rather costly and time consuming as well. If you work for someone, and you plagiarize someone on the company blog, the whole company can be sued, and you fired, for that infraction. Another large copyright infringement lawsuit is the eminent MySpace v. Universal Music Group, who is claiming that MySpace is knowingly committing copyright infringement by allowing it’s users to upload copyrighted material. Even then, Universal Music Group has been negotiating with MySpace and couldn’t come to an agreement – then they filed suit. Universal Music Group has an agreement in place with YouTube, where YouTube agrees to follow Universal’s rules. It’s worked out well thus far, and I think with an agreement in place ‘user created content’ will retain a destination on the internet. This is a testament we all need to be with social networking sites and ‘user created content.’ We need to watch ourselves, because many times we may not realize the veracity of our actions. Sometimes, people break copyright laws on purpose. There is a huge market in the dealings of pirated software – from Windows to Photoshop to The Sims. It’s very easy to share peer-to-peer, and because of that, people can resell ‘pirated’ for a high price – all profit. Or they’ll download MP3 and resell them; or eBooks. These people who resell these items get nasty penalties – with both copyright infringement lawsuits and criminal cases. They’ll pay a hefty fine and go to jail. As you can see, copyright infringement lawsuits can affect any one of us – from our friends on MySpace to our employer, to the computer geek down the street. It’s very easy to violate copy rights, and you have to watch yourself. The chances are good that you won’t be involved in a major copyright infringement lawsuit, but you still need to ensure you’re following the copyright rules of engagement. Copyright infringement lawsuits are important in determining what is, and isn’t, applicable to copyright laws. Because of these lawsuits, our laws have changed regarding fair use, internet use, and the Electronic Frontier Foundation and CreativeCommons.com has been formed. The lawsuits help us to understand what is, and what isn’t fair – and these organizations have helped the masses to understand what’s so important about copyright, and why we need to defend our freedom of speech. |