Agile methodology is put to practice using the shift-left-testing. Shift left testing paradigm suggests “Test early, Test often”. Test Driven Development is the approach towards development puts this thought process into action in Agile teams. The onus of quality is not of the Qualify Assurance team. The QA Team is…

This article gives a developer’s perspective of using Splunk, get quickly acquainted with Splunk, understand SQL (Splunk Query Language) with some tips and tricks along the way to write simple, readable and optimized queries Developer Lab setup for practice You can download the trial edition of Splunk or the Splunk cloud to get started. Anything…

This article gives high level overview of splunk — Why splunk? What is splunk? and the Architecture of splunk. Any Question, Any Data, One Splunk Splunk is not a mere log aggregator, it has the capability to do data-analytics in almost real-time by cleaning, segregating, extracting, classifying stream of machine generated data. …

How can I derive value from the data that is stored in MongoDB? The ultimate objective of storing all the data is to derive business insights, find new business opportunities, reduce operational costs or simply optimization of some form — which means data-analytics. Analytics of big-data Typical business needs are mostly aggregation of…

Sharding is Mongo’s answer for scaling. It is a way of distributing both work and data. More work over more data. And it is required for big-data problems — really really big data. So it is important to understand What is sharding? How is it done? Pitfalls & how to…

Purpose & Layout for the 5 part series When I started on MongoDB, I found there is not a good step-by-step guide that I found, to get started, understand what MongoDB offers, understand the design considerations when migrating from RDBMS to NoSql and then use MongoDB so as to unleash its full potential. …

Step2 — Server & Client set up This covers the setting up of the server on the cloud, the options for mongo client, typical mongo replica setup. MongoDB server (on local) MongoDB is open-source and the community edition of the server is available for free download. Download the mongo server as per your OS and follow the instructions as mentioned in…

Step3-Mongo Client commands Introduces you to Mongo-Shell and the most commonly used Mongo commands. Mongo Shell Mongo Shell is a javascript interpreter that interactively connects to the mongo server and helps you interactively talk to your mongo server. i.e. …

Step-4: Designing the schema We will touch upon the principles that can be used for defining & determining the schema design for any project. Once you apply this you will arrive upon a fluid schema upon which you may then apply design patterns to arrive at the final schema. The secret to what schema…