Case Class in Scala

The case class represents immutable data. It is a type of class that is often used for data storage.

Introduction to Data Engineering

It's the process of designing and building systems for gathering vast quantities of raw operational data from a variety of sources and formats, analyzing, converting, and storing it at scale.

Need for Caching in Apache Spark

Caching is one of Spark's optimization strategies for reusing computations. It stores interim and partial results so they'll be utilised in subsequent computation stages.

Envelope Encryption - Putting Your Encryption Key in an Envelope Is the Safer Option

Envelope encryption is a way of encrypting plaintext data using a key and then encrypting that key using an another key. This strategy is intended not just to make things more secure but also to enhance performance.

Singleton Pattern

A singleton pattern limits the number of instances of a class to one.

Defining Variables Using the `def` Keyword in Scala

Difference between `lazy val` and `def`.


Anti-patterns at first seem to be quick and reasonable, they typically have adverse effects in the future. They are design and code smells. It affects our software badly and adds technical debt. We should avoid them at all costs.

Data Deluge

When the granularity of data increases, its complexity also increases. At some point, we will reach a point where we cannot handle the volume of fresh data being generated.