Narrow and Wide Transformations in Spark
In Apache Spark, Transformations are divided into two types: Narrow and Wide Transformations. Understanding these helps optimize Spark jobs for performance a...
Recent posts
Jobs, Stages and Tasks in Spark
What is a Job? A Job is a complete Spark operation triggered by an action like collect(), count(), or save().
Serializers in Django
In layman terms, serializers in Django REST Framework (DRF) are like translators. They convert complex data like database records (e.g., Python objects) into...
Containerization and Orchestration - Docker, Kubernetes
Containerization and Orchestration Containerization in Layman terms: Imagine you have a lunchbox. Each compartment in the lunchbox (container) is isolated...
Database Indexes - UNIQUE, CLUSTERED, NONCLUSTERED
Types of Indexes 1. Single-Column Index An index created on a single column. It is the simplest form of indexing.