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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.
The Slam and Other Outlets for your Poetry Needs (poetry reading) Poetry is an effective display of human life and emotion. Not only are the writer’s feelings about life revealed, the reader is also taken on a journey of meaning and feeling. Poetry is an outlet for writers and readers alike. Each new poem that is written is another chapter in the entire human experience. Since people are looking for meaning within their experiences, poetry draws fans by adding that meaning. Poetry reading can be educational and enjoyable. There are many places and forms that poetry reading can take, so if you are looking for an outlet or inlet of your own, you’ll be sure to find one that will fit your needs perfectly. A Poetry Slam A poetry slam is a gathering of poetry lovers. Each person that attends brings one or several pieces of poetry to read. The poems can be individual work or work that you have come across in your poetry reading. The point is to allow everyone to enjoy poetry that they may have never heard before. As each reader places his own interpretation within his reading, everyone can enjoy the variation in style and sound and meaning that comes out of the experience. There are probably a few poetry slams scheduled in your community already. Check the library or the local college campus for more information. If poetry slams are not already being scheduled, or if they are not frequent enough for your taste, you can start your own. All it takes is a meeting place and some flyers. You’ll probably meet all kinds of people that you enjoy being with at a poetry slam. Going to Class Another place to meet other poetry lovers is in class. If there is a college or university campus near you, join a class. Poetry classes are often scheduled in the evening because of their popularity with those who are not regular students. Poetry reading happens in a couple of different kinds of classes. You can take poetry classes that focus on poetry that has been written through history. Sometimes the classes will focus on a specific group of people or time in history. As the subjects change, you can continue to take the classes and continually come across new poetry that you have not read before. You can also take poetry classes that encourage you to write your own poetry. You will then be able to read your work as well as listen to others’ work. The great thing about poetry classes is that they are set up for discussion. You can discover more meanings in other people’s writing and develop your own with the help of other qualified students as well as your professor. The Impromptu If you are involved in any other kind of poetry reading, you will probably be well immersed in the different forms of poetry. Understanding a few different writers’ perspectives will allow you to involve poetry in your every day life. As you talk to friends and relatives about typical situations that arise, you will be able to bring meaning to many of your conversations through poetry reading. You will probably also develop your own skills of writing and so be able to express yourself effectively when it comes to all kinds of human experiences. Hopefully, at impromptu poetry readings, you’ll be able to inform your friends and relatives as well. Poetry reading opens doors to the heart and the mind. Poetry is a deep expression of emotion and the understanding of life as well as death. Don’t hesitate to broaden your own poetic horizons by experiencing your own poetry and that of others. Try some of the outlets and inlets listed above. Got an Offer? How to Evaluate the Company to Ensure It’s the Right Move Being offered a new job is always a great feeling. No matter what type of job it is, the fact that the employer wants you is very satisfying. The inclination to put in your two-week notice and start packing up your desk can be exhilarating. However, be sure that you know what you are getting into before you plunge into a new job. The terms of a job offer should be written out in black and white, literally. Whenever a company offers a job to someone, there should be literature about the position to read. When the offer is made, be sure to spend some time reading over the literature and finding out exactly what the terms and conditions of the job are. Salary, benefits and the terms of employment should all be very clear before you accept the offer. Be sure that you read the fine print. This is especially true from sales jobs. That advertised rate of pay might be what you make with commission. Without the commission you may not have a salary at all. This could be a major issue if your sales do not go well. Salary is one of the most important things to find out about before you take a job. Make sure that what they are offering as base pay is enough for you to live comfortably on. Bonuses can sound really great when employers discuss them with you. However, what you have to do to earn the bonuses may be very difficult. Thus making the bonuses obsolete the majority of the time. Restaurant management is a career path where many times your bonuses are based on the success of your particular restaurant. Not you yourself. That means that when the restaurant is not doing well, there will be no bonuses. The hours you will be working is another issue you will want to tackle before you take the job. Find out exactly what you are expected to work. This could be tricky with salaried positions. Find out what the average amount of hours is that employees spend on the job. Will there be travel? Many jobs post this in their advertisements but others are not so forthcoming with this information. Living out of a suitcase can be ideal for some but if you are not looking forward to having a relationship with your spouse strictly through cell phones and e-mails, you better inquire. If you are not open to travel be sure to find out if travel could be included in your position. The environment at the office could be hard to gauge. However, if you go to an interview and are not greeted in the lobby or see a few scowling employees, chances are, the office environment is a bit hostile. This is a major thing to consider when taking a job. Is the management hiring new personnel in order to replace the existing personnel? If they are, why does the existing personnel need to be replaced? Try to feel out the environment of the office when you are waiting for your interviews to take place. What will your job entail? Will there be times that you are expected to do things that go against your better judgment? Will you be surrounded by a corporate mentality that is concerned only with numbers? Are you going to be able to put your reservations aside and carry out the job that needs to be done? If a job offer is made immediately, you may want to be leery of this position. Try to find out about the turnover rate of this position. There may be a reason why the employer is so ready to offer you the job. |