Architecture

The Platform Strategy – ignore it at your own peril

Reading Time: 4 minutes Introduction You are developing a product trying to help your core business grow through technology. The easiest way to start is to design what you need and start coding it as a monolithic blob. The product becomes successful and you start seeing the impact that it has made on your business. The next thought is to make the product commercially available so that other businesses Continue Reading

Reactive Java: Handling Errors in Reactive Streams

Reading Time: 4 minutes  If errors and failures are passed to the right component, which can handle them as notifications, the application can become more fault-tolerant or resilient. So if we build our system to be event-driven, we can more easily achieve scalability and failure tolerance, and a scalable, decoupled, and error-proof application is fast and responsive to users.” Nickolay Tsvetinov Reactive in layman’s language says how quickly the client Continue Reading

Mocking The Right Way

Reading Time: 3 minutes Mockito is a fun way to perform unit tests, but it’s true potential can only be realised if the underlying layers are designed in such a way that there is no interaction with the internal logic of other components of the application.

Aspect Oriented Programming with Spring

Reading Time: 4 minutes What is AOP? Applications are generally developed with multiple layers. A typical Java application has Web Layer – Exposing the services to the outside world using REST or a web application Business Layer – Business Logic Data Layer – Persistence Logic While the responsibilities of each of these layers are different, there are a few common aspects that apply to all layers Logging Security These Continue Reading

KnolMoney: More than a Corporate Virtual Wallet

Reading Time: 3 minutes KnolMoney – An entry gate to the whole world of possibilities that you can do with a virtual wallet. In the age of the digital world, every transaction we do mostly is by digital wallets which can be used almost at every mall/shops. But in this wallet run, what we have forgotten is the Corporate Community. Here, comes Knoldus into a picture with a solution– KnolMoney, Continue Reading

Reactive Architecture

Reading Time: 2 minutes Recently I got an invitation to present a guest lecture for faculty of Engineering colleges in ABES college of Engineering. I came up with the most trending topic i.e Reactive Architecture. We talked about what is this buzzing keywords and why does it came into existence. Also What are the challenges one were facing and how are the real world problems being solved by using Continue Reading

Need the Grafana slack monitoring alert? Let’s create it now.

Reading Time: 3 minutes In my previous blog, we created the first Grafana dashboard. Now in this blog, we will create our first monitoring Grafana alert. Before creating monitoring alerts, we need to add the notification channel through which we will be notified. Here, we will be adding slack as the notification channel. Slack notification channel: First, open the URL http://localhost:3000 in the browser and log in to the Continue Reading

Let’s create your first Grafana dashboard

Reading Time: 4 minutes In my previous blog, we discussed the setup of Grafana-Graphite for JMX monitoring.  Now we will create a first Grafana dashboard where we will create Grafana queries to visualize JMX metrics stored in Graphite. As we know, Grafana UI runs on http://localhost:3000/ by default so let’s open the URL in the browser with the default username and password which is admin: admin After login either Continue Reading

Tuning consistency with Apache Cassandra

Reading Time: 4 minutes One of the challenges faced by distributed systems is how to keep the replicas consistent with each other. Maintaining consistency requires balancing availability and partitioning. Fortunately, Apache Cassandra lets us tune this balancing according to our needs. In this blog, we are going to see how we can tune consistency levels during reads and writes to achieve faster reads and writes. Before digging more about Continue Reading

API Design Best Practices

Reading Time: 6 minutes Ever wondered if we have anything like best practices for designing our APIs, if not just give it a quick thought something will pop up, and if it was a yes let’s talk about it in detail. Yes, you heard me right, today we are going to talk about best practices for designing APIs which will help the developer to increase his/her productivity and success Continue Reading