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Scale Effects, Machine Learning, and Spark

“In 1997, IBM asked James Barry to make sense of the company’s struggling web server business. Barry found that IBM had lots of pieces of the puzzle in different parts of the company, but not an integrated product offering for web services. His idea was to put together a coordinated package, which became WebSphere. The problem was that a key ...

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Big Data Skills Spectrum

Big Data has been a hype for many years. I’ve seen a few “Big Data” projects start in the past with a lot of fanfare and promise.The promise has always been that “we will start getting a holistic picture of our departmental silos and gain numerous insights from our data that will help us get ahead of our competitors”. The ...

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ZooKeeper for Microservice Registration and Discovery

In a microservice world, multiple services are typically distributed in a PaaS environment. Immutable infrastructure, such as those provided by containers or immutable VM images. Services may scale up and down based upon certain pre-defined metrics. Exact address of the service may not be known until the service is deployed and ready to be used. This dynamic nature of service ...

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Agile Estimation – Are We Missing Something?

An honorable member in any development group manifest is enhancing people’s knowledge and expertise. However, it often gets positioned in the infamous “Important/Not Urgent” quarter of the Eisenhower matrix, and gets less attention than it should. Even if an organization does invest effort in this, it will be managed separately from the development process. In this post I will suggest ...

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How to Keep REST API Credentials Secure

If you are building mobile apps then you are connecting to some REST API. For example, if you want to resolve an address to a latitude/longitude information to display on a map, you might use the Google Geocoding API: https://maps.googleapis.com/maps/api/geocode/json?address=San Francisco,CA&key=AIzaSyDvFMYGjeR02RH If you are invoking the API from the client, then the API key also has to be present on ...

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Batch Deployment in AWS Elastic Beanstalk

Zero downtime deployment — i.e., making sure your application can be deployed without negative impact to your customers — is something most of us strive for. It is a prerequisite for successful continuous delivery, so you’re able to deploy at any time and never fear pushing a new release. ElasticBeanstalk, the Platform as a Service component of AWS, has great ...

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