HTTP Short vs Long Polling vs WebSockets vs SSE

MongoDB Architecture and Characteristics

MongoDB is an open-source, cross-platform, document-oriented NoSQL database. It is…

Reentrant Lock vs Synchronized Keyword In Java

Reentrant Lock

Kafka vs Redis Pub/Sub

Apache Kafka and Redis Pub/Sub are both popular technologies for message-based architectures, but they have different…

Elastic Search: A Full-Text Search Engine

Everything you need to know about MongoDB explain()

Kafka vs RabbitMQ Comparison

Kafka and RabbitMQ are both popular message brokers used for handling high-volume, distributed messaging…

Understanding REDIS Sorted Set…

What is REDIS Sorted Set?

Presigned URL in AWS S3?

By default, all S3 objects are private. Only the object owner has permission to access them. However, the object…

Why we need Prometheus???

Prometheus is an open-source monitoring system and time-series database. It…