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Performance is one word that is used to describe multiple scenarios when talking about application performance. When someone says I need a High Performance Application, it might mean any/all of the following: Low web latency application ( meaning low page loading times) Application that can serve ever increasing number of users (scalability) Application that does not go down (either highly available or continuously available) For each of the above, as an architect you need to dig deeper to find out what the user is asking for. With the advent of cloud, every CIO is looking to build applications that meet all of the above scenarios. With the advent of elastic compute, one tends to think that by throwing hardware to the application, we may be able to achieve all of the above objectives. The patterns employed to achieve the above scenarios at times are different and it i... (more)

Post Agile - State of Software Development

There is a significant change in how software is developed over the last decade. Agile had been the buzzword over the last decade and probably is most significant of changes in software development to date. Now that the hype around Agile has been subsided, it is worth an effort to understand what it is like post agile. Often we see Agile with a narrow perspective, limiting it to a few programming practices and nothing more. We also fail to notice the indirect influence and the larger impact of Agile over the last decade. State of post Agile Software Development will have to be seen... (more)

Why Focus on Performance Engineering?

Time and again, we witness, when a program goes into acceptance testing phase, the client and teams suddenly realize that the application is not meeting the Non-Functional requirements. Usually the application is very slow, or it is frequently going down or not scaling up as expected. I am not even talking of requirements mismatch here. ... (more)

Big Data Trends in 2012

Big Data has caught the fancy of each and everyone. Consumer and enterprise world is looking to adopt the Big Data. Analysts are talking about it, proclaiming it to the next big thing! Below is my take on how the Big Data market space will evolve in 2012 and years to come. Data Analytics Service – We will start seeing SaaS vendors that will start offering data analytics as a service (e.g., 1010data). These vendors will be able to pull in your unstructured data and provide you standardized reports and data services. This is very similar to the Web analytics (like Omniture) but ac... (more)

Cloud Based Services: Plumbing the Web

Cloud based services are so ubiquitous that it is almost impossible to imagine our daily life without these. These services range from web e-mail services like Gmail to productivity apps like Evernote to Social Networks like Twitter to Information services like Weather.com. I can count at least twenty different services that I use on a daily basis and probably hard to live without. I get tremendous value from these services, both personally and professionally. However, there is an ugly side to these services. Each of these services live in their own island and it is hard to go on... (more)