Apache Kafka is a distributed streaming platform used by 100’s of companies in the production environment. Kafka, in a nutshell, allows us to do three important tasks: Publish and subscribe to streams of data. Store streams of data. Process streams of data. With these capabilities, we can use Kafka in a various situation such as […]
How to Setup Multi Node Multi Broker Kafka Cluster in AWS Read More »
Zookeeper is a centralized service to handle distributed synchronization. Kafka uses zookeeper to handle multiple brokers to ensure higher availability and failover handling. But what if zookeeper failed? We can’t take a chance to run a single Zookeeper to handle distributed system and then have a single point of failure. To handle this, we run
How to Setup Zookeeper Cluster for Kafka Read More »
In this article, we are going to learn the basics of Apache Kafka and it’s core concepts. And yes, a bit of history too. What is Kafka Apache Kafka is an open source distributed streaming platform developed by LinkedIn and managed by the Apache software foundation. Kafka is aimed to provide a high-throughput, low-latency, scalable,
What is Apache Kafka? Read More »
This article deals with system process and resource allocation monitoring. Htop is external tools available for various Linux packages. For demonstration i am using Ubuntu 14.10 as Linux distribution. Introduction. Htop is process monitoring tool and alternative for “Top” command for Linux. Top command is used to show the current process and resource allocation of
System process monitoring with Htop Read More »
Pull to refresh is a widely adopted feature in mobile apps. Facebook, Gmail, Instagram almost all popular apps have this feature where the user can drag the screen downward that signals the server to send new data. We have already covered the infinite scroll implementation for Android and iOS. Check out the article here. Prerequisites
Building Pull to Refresh Android iOS Using React Native Read More »
KYC (know your customer) is becoming mandatory for a majority of internet applications such as finance, insurance, medical proofs. In short, wherever money is involved, the KYC process is becoming mandatory either by regulation or by the company itself to help reduce fraud and increase trust and safety. It is important and cost/time effective to
Identity Verification Using Trulioo Global Identity Platform Read More »
Unikernels have been predicted to be the successor to container technology for a few years now because of their purported speed, security, and size but adoption has been lagging – why? Well, before answering that question let’s define what a unikernel is and what exactly it does for you. A unikernel is a single process
Build and Run Your First Javascript Unikernel Read More »
The easiest and efficient way to take Screenshot on your Mac is: Press Command + Shift + 4 Press Space and the mouse pointer will change to the camera icon Click on the screen to take the screenshot, find it in Desktop with a .png extension If you want to take a screenshot of the
How to Take Screenshot on Mac Read More »
When there is a large number of records to be fetched for a particular query and because fetching such huge data and rendering on the screen will downgrade the application performance. To solve this issue we need to fetch and show the user some records initially and as the user reaches the end of the
Infinite Scroll implementation in React Native and Node Read More »
NodeJS v11.7.0 is released and we have one of the most asked feature requests i.e threads. As we all know, Node provides the developer with a single-threaded system and internally uses threads to manage various I/O calls which work great but when we do CPU intensive task then Node doesn’t perform up to mark. Well
Getting Started With Worker Thread in NodeJS Read More »