4 Tips to Make Your Application Scalable to the Cloud

What is cloud?

The jargon of the moment is the cloud. People have different definitions of cloud, where it begins or ends are some of the questions that arise. Whatever “cloud” solution we talk about, a definition that everyone seems to understand is the concept of scalability. It is a very simple concept to understand, but difficult to apply. The more scalability, more chances you have to grow and bear a greater burden. No scalability, you can be caught flat-footed and not account for everyone who wants to access the content, or consume your product or service.

Why use the cloud?

We all use software wanting to make business successful. But that success involves a multitude of people accessing your site. And this crowd of access can be predetermined (you appear in some TV show or the home of a large portal) or suddenly you viralize. Regardless of form, have a scalable site is the difference between settle once or break. Other factors such as access log can help you adjust resources so that you do not pay more for periods of poor access.

Differences between horizontal and vertical scalability

There are two main types of scalability: Horizontal and Vertical

We will not talk much about vertical scalability because there is much to talk about … You just buy the more powerful hardware. There are famous programmers, who recommend this technique and it makes sense. Lose days or weeks of one or more developers to write scalable code is much more expensive than buying a high-end server.

The problem is that, at some point, the most expensive servers will no longer handle the load. Then it’s time to think of horizontal scalability. This is a solution that is already applied for databases, which can be configured in cluster with master / slave server, for example. The concept is also simple: you have multiple servers sharing the load.

Turnkey solutions

Today there are several robust solutions for you to put your site up and enjoy horizontal scalability. Products such as Google Cloud Platform manage your site, add more servers will free you from the drudgery of having to manage infrastructure, in addition to having to manage your product. However, it is very important that your site is prepared to scale horizontally before leaving hiring a cloud service. Otherwise, you run the risk of seeing investment yielding less than it could.

How to leave my scalable site

OK, enough blah blah blah. I will try to be as generic as possible and spend on concepts that can be checked and applied to websites made in all languages.

  1. Localhost Is Your Enemy

Imagine that on your site, you get an image or process some information and guard the disk. Then you return to the user at some other time. This works as long as you have a server only, but when the number of servers increases, you cannot guarantee that when you deliver the content to the user, the responsible answer machine is the same as that received the file where the data was written. You can avoid this in a few ways: using a shared file system, recording information in a database or using an external service such as Cloud.

  1. Cache

Because of your site to be dynamic, have a lot of people accessing the same page will cause it to generate the same data over and over again. Caching server side is an alternative to it. If your servers share a Memcached cluster, its cargo as well as being distributed, shall be reduced, for the first page to generate the records and the other only pass on the information already generated. Caching is an interesting topic, I will leave to address better in a future article.

  1. Database

PaaS solutions usually take care of scalability from the database for you. All we have to do is point to the database and the cache server is indicated by the service and is ready.

  1. Asynchronous Processing

Imagine that you need to generate a PDF, processing a spreadsheet; make a payment of credit card. And these variables are beyond its control and may take several seconds or minutes. Holding an open connection during this time can be catastrophic for your product when you have a lot of people in line wanting to do other things.

A solution to this is to have one or more private servers for asynchronous jobs. Instead you receive the parameters, process it all and return right away, you can receive the parameters and queue for this to be running in the background.

The user gets a code or protocol and uses to check the status of the process. When the work is done, releases a link or update a status on any record. The advantage of this technique is that you can have a big load, that instead of getting out of breath, you will take longer to process all items in the queue. Each language and environment has specific tools for this. Ruby has Sidekiq and Java has HornetQ, for example. Another great advantage of this technique is that you can have your site in one language and its workers in another. As long as they talk to the same database and / or the same web-services you are free to optimize / refactor / rewrite the parts separately.

Conclusion

Scalability is a very broad topic and very sensitive too. We can prepare ourselves in every way that we imagine and still be taken by surprise in a part of our system that seemed harmless.

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What is streaming?

Streaming, what is it?

Technology has advanced steadily, and through this technology you can share various information or perform live broadcasts, but for this you must have a streaming server.

How does a streaming server work?

Normally we would download the file altogether so we can run the same in our computed, a song in mp3, for example, to hear the full song, first have to download the same. The streaming server causes the media file to be played while It is being downloaded. While it is being downloaded, the file parts are being stored in buffer, and every part that is downloaded, the same is being reproduced according to what was stored in the buffer.

What is the quality of this play?

This will depend on several factors. Some streaming servers have limit of simultaneous connections when this limit runs out, it is usually not possible to receive the transmission. The speed of your internet also counts a lot. If it is too slow, the buffer files take time to be completed, i.e., downloaded part of the file and the same is played to its end if the next part is not completed by the end of the previous playback, the media will be paused waiting for the conclusion of the next part where it is played normally. This situation causes a lot of indignation from those who are listening.

How to create my own streaming?

It’s simple, streaming servers can be downloaded from the internet for free, they are usually plug-ins of the best known players such as Windows Media
Player, Real Player or Winamp. You need to call to have an input audio or image so you can perform the transmission, so whatever touches on your computer through the player used will be transmitted to the internet. The program itself provides the broadcast address, you simply inform this address to your friends and put files to play.

There are also streaming hosting services where this in turn has a control panel for you to manage online, send your music to internet and played songs will not have any connection with your computer, not having to pay more for a fixed-ip or internet.

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The Major Advantages Of Cloud Computing

  1. User satisfaction, time savings, cost reduction, improved access and reliability are five major advantages of cloud computing – business model in which the client has access to a variety of services, applications and solutions guaranteed by the cloud server providers. This is primarily a new form of delivery of information technology on demand.

    Among the many possibilities that cloud computing favors include:

    Delivering software as a service (SaaS) based on leasing the software through a service provider, the Internet or dedicated connection. This model offers cost efficient software licensing and support, can be hired for periods of use;

    The delivery platform software development through standards (PaaS). With it you can manage the entire series of expansion, ensuring testing, approval and entry into development of any product developed, for example. You can also support the operation performance of administrative schedules and coordinate updates of the platform;

    Given the furore caused by the term ‘cloud computing’ in the media and marketing executives from all sectors of the economy shed questions about the advantages of investing in this technology. How it works, what benefits and tangible benefits are often repeated questions. But we must make clear that when we speak of ‘cloud’, we speak first of all in ‘internet’.

    The strategy is to let you have access to programs, services, personal and institutional remotely. This possibility is revolutionizing not only business, but the actual work environment.

    Companies that once invested in applications that are designed specifically for your needs are abandoning this model gradually. In other words, is consolidating a new way of dealing with IT – while the previous formats dissipate the clouds, literally. No one else has time for long deployments or long processes of employee training. More than that: now you must be able to solve certain problems instantly in the same way they appear.

    The set of structures can abstract cloud computing for review of business and management procedure for companies. Especially for those who have no budget for investment in solutions with high maintenance cost.

    Resources:

    http://www.ewebdiscussion.com/dedicated-hosting/775-how-much-effort-is-required-to-successfully-manage-your-site-on-a-dedicated-server.html
    http://www.ewebdiscussion.com/dedicated-hosting/1704-difference-b-w-dedicate-hosting-and-other-hosting.html
    http://www.ewebdiscussion.com/dedicated-hosting/897-what-courses-to-take-to-manage-a-dedicated-linux-server.html
    http://www.ewebdiscussion.com/vps-hosting/654-vps-suspended-for-high-cpu-usage-without-warning.html
    http://www.ewebdiscussion.com/members/sonaliaverma.html

Workgroup Server From IBM: X3550 and X3650

IBM Computer System x3550 M2, which is a descendant of the x3550, absorbed from their all the best predecessors and has the features that meet the modern requirements of the server.

X3550 M2 server has a quad-core processor to provide continuous and error-free system, has a great configuration capabilities, flexible architecture and power saving characteristics, and this differs from the previous generation of servers.

The new computer has the ability to integrate up to 6 HDD SAS total – 1.8 terabytes, the ability to service without stopping the server work.

x3550 M2 is a low-voltage FE, possesses a unique software and the latest energy-saving modules to control power consumption.

IBM x3550 M2 supports operating systems such as Red Hat Enterprise Linux, Microsoft Windows Server 2003, TurboLinux Enterprise Server, SUSE Linux Enterprise Server (SLES) and Novell NetWare. Depending on the amount of information processed and the direction of the organization, selects the best “model” x3550 M2 server, depending on the specific operating systems.

IBM x3650 M2

The IBM server-level working groups the second generation of this computer IBM x3650 M2. It is an enhanced continuation of the IBM 3650. Server IBM x3650 M2 – high-performance solution that is designed to maintain the leading virtualization capabilities.

According to its characteristics x3650 M2 server can have upto two four-or dual-core processors and up to twelve 2.5-inch HDD SAS / SATA. So, IBM System x3650 M2 can serve as a powerful database server and file server. The model presented here the server that is expandable up to 128GB of RAM DDR-3. The opportunity to integrate the memory is optimal for complex computations and applications.

A distinctive feature of the server presented is its energy-efficient design with six cooling fans, low voltage IP and the new system BIOS, which allow you to create economical mode power consumption, allowing, in turn, reduce costs enterprise resources.

Convenient dimensions of this model make efficient use of the car, and the possibility of replacing components in IBM x3650 M2 enables IT professionals to service the machine without stopping it.

Server IBM System x3650 M2 supports operating systems such as Microsoft Windows Server 2003, SUSE Linux Enterprise Server, Red Hat Enterprise Linux, Novell NetWare, TurboLinux Enterprise Server.

IBM System x3650 M2 is highly reliable server for a new generation, the perfect partner for solving complex problems of the organization.

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Tips on Setting Up a New Server

As far as possible gathered together your own practical experience, and multiple recommendations, found in the internet, checking out the practical application in use on multiple servers in data centers in India and all around the world. The text below is not exhaustive presentation of the material and on its best possible mapping. And besides, mysql php hosting sites are now very fashionable.

Recommendations are given to the most common and promising OS RHE (Red Hat Linux) and cPanel / WHM as they are currently used by the server shell control. The above combination is not without flaws, but apparently there is no perfect combination, and to break foolish can all…
Presentation of the material is to order by the principle “from simple to complex and necessary and less important, but the order is not guaranteed, and priorities may vary depending on the attitudes and tastes.

So.. Your first server..

If you started reading these notes, is there the need for such things like low-cost hosting, paid hosting, its security and server support in working condition. Expending the least possible time and resources – usually after the order is the first dedicated server no addition, no other…
The most common problems faced by any aspiring Web hosting, rather rashly hastened to leave the status of a reseller in the hope of rivers of milk and milk and honey on your own dedicated web server, or the creator of the Internet project, which became crowded in the SHARED-hosting and decided to (sometimes violently forced) go to your dedicated server.

Why rash? If you have not already realized, life will show you his teeth in the form of hackers on the best reseller hosting, server hangs on unexplained reason, failed attempts to configure the required client software package and other “joys” of its own server.

The first commandment:

All or almost all of the following must be done for the server of your first customer or your own project. This way you will not only simplify the task, but also save time and money. For the advent of the load and the traffic the first problems in the form of intrusion users, congestion, and restore always takes longer, harder and more expensive than creating a secure server from scratch that working stable.

Commandment Two:

Do not skimp! Very often the desire to save more than anything else, the server takes the cheapest, as the configuration, and the level of the data center, and some time later revealed that even before the end of this year limit the performance will be exhausted, will have nowhere to grow and the server, just tuned and optimization, already needs to be replaced by a more powerful and productive.
Your winnings as a result of such savings – 5-8 months, you pay at least Rs.500-1000, it is Rs.2500-7000.

Loss – should once again pay for the installation of a new server data center.

Rs.1500 to 5500.

Require the services of hired admin to install anything that you do not deliver or do not have time to do it – from Rs.1,000 to 7,500 one-off.
Moreover, even in the most successful event, sites transferred from server to server some time perform too poorly or not at all (depending on experience and qualifications of personnel data center, the registrar of your domain and your own luck).

For my own project – a loss of moral and, apparently, the material.

For the host – is dissatisfied customers, which are also lost, often simply irreplaceable. Therefore, hesitating to buy or rent a dedicated server, assess their abilities and needs and try not to do the most that you don’t need today. Take a look broader and more. It is best for the time horizon.

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How to Build A Collective Shopping Site

Today many people come to us knowing how to assemble a site of collective purchases fueled by real fever that swept the Internet. The enthusiasm is justified, since the business model is highly interesting and profitable and it’s been a long time success in the United States. The paths to the creation of these sites are not unknown, but the accessory tools for creating a site of collective purchasing are sometimes placed in the background, undermining business performance.

A site collective purchase is more than one system

If you pay close attention, the collective shopping sites have the same basic appearance. There are two reasons for this. The first is that in terms of design and usability that is the format that works. The second is that the scripts – programs – that create these sites are ready and the market. With an initial investment of less than $ 15,000 can buy a great system for a site of collective purchasing. In truth, a site collective purchasing can be mounted even if the platform using WordPress with a plugin specifically created for this. The technical issue is therefore not creating a problem for site collective purchasing. With a training course for the team responsible for managing the site will be fully trained and able to manage the day-to-day business.

The battle of the digital marketing of discount sites

The second point to be addressed by the entrepreneur who wants to create a site collective purchasing is the issue of disclosure. The big difference is in the shares of digital marketing that will be implemented in the dissemination of promotions offered by the site. The e-mail marketing has a crucial role in this business, since it is the most immediate form of communication with potential buyers. To achieve efficiency in this area, it is best to hire a good service activation and training of an employee to administer the database and composition of the mailing in order to not be blocked or deleted automatically by the anti-spam providers.

The second action is to stage the social networks and social media marketing. Social media has the “face” of collective purchasing. They are agile and frequented by people seeking information. A well trained staff in this area is essential, even if you hire an agency to handle that part. The monitoring of actions in social media is an essential tool for making decisions in this market. The web analysis also plays a key role, since we can identify the behavior patterns of target audience. Information provided by tools like Google Analytics can help in making decisions, for example, the determination of new markets to be addressed.

The third action is to stage the search engines like Google, Yahoo and Bing. The search marketing has an important role in the success of a project in this area and how the actions of SEO – Website Optimization for search engines require time to be effective, marketers must also rely on actions involving sponsored links.

Conclusion

If you are thinking of setting up a site of collective purchasing, keep in mind that marketing will be a key factor in this venture and therefore should receive as much attention as the system area. Email marketing, social media, sponsored links and blogs will be part of arsenal of tools you will use to obtain a prominent position in this market. If you’re starting to create collective purchasing site, you can take care of that part of the business and ensure project success. If you already have a site of collective purchasing, make sure your online marketing activities are in accordance with the requirements of this business model.

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An Overview of Blog Hosting

Blogs can be a great way for sharing your knowledge and displaying your expertise across the World Wide Web.It does not matter if you have a personal website or a small business web hosting,you can surely write your experiences or information about the products or services you offer. Blogs are considered to be one of the most effective ways of portraying your expertise.

Blogs help your customers to quickly run through the product manuals and tutorials that can help them sort issues on their own.Blogs are full of information and is usually updated on a regular basis.Search engine friendly blogs can help to benefit your main domain in the SERP’s.

Usually most of the web hosting providers offer blog hosting services as well.If you have an existing small business web hosting account with eIndiahost and wish to install a blogging software such as WordPress,Nucleas etc.,you can either do it on your own or ask the admins to install it for you.These applications are already present in your control panel and can be installed with a single click.If you have a cPanel control panel,then through Fantastico you can get WordPress installed on your own,whereas if you have Plesk,you would need Plesk Power Pack in order to have WordPress.You do not have to pay anything extra for installing WordPress through Fantastico cPanel,while there is a nominal charge for Plesk Power Pack.

Blog hosting enable you to showcase your blogsite on blogging platforms. Blogging platforms such as WordPress,Nucleas and b2evolution are some of the widely used softwares.

Few reasons why you should consider Blog hosting are as stated below:

a. You have the complete control over the content you publish on your own blog/s.You have the control to manage the priveleges of the users and contributers.
b. The content is more secure since you have the blog hosted in your own webspace unlike that of a free blogging website.
c. Blogging applications and themes can enhance the overall scalability through easily downloadable plug-ins and affiliate programs. WordPress for example have multiple SEO friendly addons and plugins that further enhances your blogs and hence your main website.
d. You can publish user guidelines,tutorials and trouble shooting articles for your users.
e. You can add various multimedia content such as images,videos,audio files etc. which are high resolution files with ease.

If you are planning to set up a blog with no previous experience of web hosting,then make sure that the web hosting provider you choose does not compromise on quality. Blogs usually do not require much resources,therefore a simple shared hosting package should be enough initially.Later you can easily upgrade the package if necessary.If you are planning attach your blog to a main domain of your website then make sure that you have enough resources to support both the accounts.

It is better to choose a web hosting provider that offers 24×7 support via various mediums such as Live Chat,Phone and Emails/Tickets. Blogs are more prone to spamming,hence installing plugins to avoid spammers spam your blogs can be a good options.
Make sure to take regular backups of the content. Similar to forums,blogs too can be a useful platform for communication.
There is no barrier for installing a blogging platform on any of the web hosting accounts.You can get it installed even if you have a simple shared package or a small business web hosting package,VPS or even a dedicated server.

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