Welcome!

Containers Expo Blog Authors: Elizabeth White, Zakia Bouachraoui, Liz McMillan, Pat Romanski, Yeshim Deniz

Related Topics: @CloudExpo, Containers Expo Blog

@CloudExpo: Article

Jetty and the Cost-Effective Cloud

With the Cloud model of computing, the cost of ownership is dramatically less than in the traditional model

Jan Bartel's Blog

Cloud computing refers to the ability to deploy your application on infrastructure that you do not necessarily own nor manage yourself and that can be easily scaled up to handle demand and provide resiliency to failure. The hardware infrastructure can be composed of clusters of many cheap machines or it may be high-end hardware which is virtualized into many nodes. In either scenario, the cost of ownership is dramatically less than in the traditional model.

Additionally, your application executes in an environment where the services it consumes can be transparently provided for you and scale along with the application. Think services like databases, messaging and servlet session clustering for example.

Software as a service is an increasingly popular paradigm for webapps so let's look at how Jetty is used in the cloud and some of the types of technologies involved.

Cloud Platform: Morph

Lets look briefly at a cloud platform solution for scalable webapps. Morph allows you to upload your war file and have it automatically deployed to as many virtual nodes as you need. Morph handles the load balancing for you and allows you to add or subtract virtual servers elastically as your load dictates. Moreover, your webapp immediately has access to some of the most commonly-needed resources like relational databases, mail servers and soon also a JMS service! These services are provisioned, configured, backed-up and monitored by Morph 24x7. Better still, Morph ensures high-availability of your webapp by configuring a fail-over pair as a matter of course. And at the heart of this great service, what do we find? Yes, that's right - Jetty! Jetty is the servlet container into which webapps are deployed and has been especially configured for a cloud-hosted environment.

Cloud Technology: Terracotta

Terracotta provides a shared memory model. It is mostly unobtrusive in code, generally just requiring good synchronization boundaries around the objects to be shared to enable it to efficiently disseminate updates amongst nodes. You can use Terracotta to implement cloud-type facilities for your webapp when running in Jetty. In fact, Jetty can already make use of Terracotta as its distributed sessions mechanism. We've recently been collaborating with the Terracotta guys to really hone the performance of the Jetty/Terracotta session clustering and we're getting some very pleasing results, which will be the subject of another blog.

Cloud Infrastructure: Hadoop

Hadoop is an open-source implementation of the MapReduce algorithm for breaking computational problems into smaller blocks that can be distributed over a cluster so that they may execute in parallel. Hadoop uses Jetty in two ways: to help distribute the jobs amongst the nodes, and also to monitor and report job execution status. FYI, Hadoop recently broke the terabyte sorting record - well done guys!

Cloud Infrastructure: GigaSpaces

GigaSpaces provides a space-based infrastructure to scale-out applications. The space's job is to ensure that data can be made available in the most efficient way possible to whichever node requires it. There are different options for configuring the space including partitioning based on characteristics of the data, or data persistence via an RDBMS. A number of different API facades onto the space (JMS, JDBC, Map and Space) are provided, so you can pick the semantic appropriate to your application. Jetty itself uses the Space API in the implementation of the Jetty/GigaSpaces clustered sessions module.

However, the space can be used for more than just distributing data, and can also be used to scale applications themselves, more akin to grid computing. In this scenario, nodes in the space (or grid) called processing units execute application logic and can be added on demand to handle load. Webtide has been collaborating with the Gigaspaces guys and we've put a Jetty instance into each and every processing unit. This means that a webapp can be instantly scaled simply by deploying it to more processing units in the grid.

More Stories By Jan Bartel

Jan Bartel is the Chief Engineer and one of the co-founders of Webtide, and Mort Bay Consulting. She has extensive industry experience as a team leader and consultant, working with Java, J2EE, and other key related technologies. She is a contributor and committer to a number of open source projects in addition to Jetty, of which she is one of the project leaders. During her 20-year career, she has delivered both client-side and server-side applications in industry sectors as diverse as online services, telecommunications, and banking and finance.

Comments (0)

Share your thoughts on this story.

Add your comment
You must be signed in to add a comment. Sign-in | Register

In accordance with our Comment Policy, we encourage comments that are on topic, relevant and to-the-point. We will remove comments that include profanity, personal attacks, racial slurs, threats of violence, or other inappropriate material that violates our Terms and Conditions, and will block users who make repeated violations. We ask all readers to expect diversity of opinion and to treat one another with dignity and respect.


IoT & Smart Cities Stories
@CloudEXPO and @ExpoDX, two of the most influential technology events in the world, have hosted hundreds of sponsors and exhibitors since our launch 10 years ago. @CloudEXPO and @ExpoDX New York and Silicon Valley provide a full year of face-to-face marketing opportunities for your company. Each sponsorship and exhibit package comes with pre and post-show marketing programs. By sponsoring and exhibiting in New York and Silicon Valley, you reach a full complement of decision makers and buyers in ...
There are many examples of disruption in consumer space – Uber disrupting the cab industry, Airbnb disrupting the hospitality industry and so on; but have you wondered who is disrupting support and operations? AISERA helps make businesses and customers successful by offering consumer-like user experience for support and operations. We have built the world’s first AI-driven IT / HR / Cloud / Customer Support and Operations solution.
As data explodes in quantity, importance and from new sources, the need for managing and protecting data residing across physical, virtual, and cloud environments grow with it. Managing data includes protecting it, indexing and classifying it for true, long-term management, compliance and E-Discovery. Commvault can ensure this with a single pane of glass solution – whether in a private cloud, a Service Provider delivered public cloud or a hybrid cloud environment – across the heterogeneous enter...
LogRocket helps product teams develop better experiences for users by recording videos of user sessions with logs and network data. It identifies UX problems and reveals the root cause of every bug. LogRocket presents impactful errors on a website, and how to reproduce it. With LogRocket, users can replay problems.
Data Theorem is a leading provider of modern application security. Its core mission is to analyze and secure any modern application anytime, anywhere. The Data Theorem Analyzer Engine continuously scans APIs and mobile applications in search of security flaws and data privacy gaps. Data Theorem products help organizations build safer applications that maximize data security and brand protection. The company has detected more than 300 million application eavesdropping incidents and currently secu...
Rafay enables developers to automate the distribution, operations, cross-region scaling and lifecycle management of containerized microservices across public and private clouds, and service provider networks. Rafay's platform is built around foundational elements that together deliver an optimal abstraction layer across disparate infrastructure, making it easy for developers to scale and operate applications across any number of locations or regions. Consumed as a service, Rafay's platform elimi...
The Internet of Things is clearly many things: data collection and analytics, wearables, Smart Grids and Smart Cities, the Industrial Internet, and more. Cool platforms like Arduino, Raspberry Pi, Intel's Galileo and Edison, and a diverse world of sensors are making the IoT a great toy box for developers in all these areas. In this Power Panel at @ThingsExpo, moderated by Conference Chair Roger Strukhoff, panelists discussed what things are the most important, which will have the most profound e...
In today's enterprise, digital transformation represents organizational change even more so than technology change, as customer preferences and behavior drive end-to-end transformation across lines of business as well as IT. To capitalize on the ubiquitous disruption driving this transformation, companies must be able to innovate at an increasingly rapid pace.
Here are the Top 20 Twitter Influencers of the month as determined by the Kcore algorithm, in a range of current topics of interest from #IoT to #DeepLearning. To run a real-time search of a given term in our website and see the current top influencers, click on the topic name. Among the top 20 IoT influencers, ThingsEXPO ranked #14 and CloudEXPO ranked #17.
The Jevons Paradox suggests that when technological advances increase efficiency of a resource, it results in an overall increase in consumption. Writing on the increased use of coal as a result of technological improvements, 19th-century economist William Stanley Jevons found that these improvements led to the development of new ways to utilize coal. In his session at 19th Cloud Expo, Mark Thiele, Chief Strategy Officer for Apcera, compared the Jevons Paradox to modern-day enterprise IT, examin...