May 22, 2025

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Explained: Gossip Protocol

In the landscape of distributed systems, the need for scalable, fault-tolerant communication is a constant. Whether you're managing a database cluster, orchestrating containers, or building a blockchain network, you’ll eventually need a way for machines to share information without drowning in complexity. One solution that has quietly become foundational is the  gossip protocol - a deceptively simple algorithm that spreads information in much … Read More
by Phee Jay

February 21, 2025

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Explained - Understanding WSL (Windows Subsystem for Linux)

Windows Subsystem for Linux ( WSL ) is a compatibility layer designed by Microsoft to run Linux binaries natively within Windows. It provides an Ubuntu-like experience without requiring a virtual machine ( VM ) or a dual-boot system. Read More
by Phee Jay

February 07, 2025

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Introduction to OpenTelemetry

Imagine trying to debug a slow API endpoint. With traditional logging, you're sifting through files across multiple services. OpenTelemetry offers a powerful solution, letting you follow a request from start to finish, quickly identifying the bottleneck. Read More
by Phee Jay

February 01, 2025

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Hadoop - The Evolution of Hadoop: From Batch to Real-Time Processing

Hadoop has come a long way since its inception. Originally designed as a batch processing framework for handling large datasets, it has evolved into a versatile ecosystem that supports real-time data processing and analytics. This article explores the journey of Hadoop, from its early days to its modern capabilities. Read More
by Phee Jay

February 01, 2025

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Jupyter - How to install Jupyter on Windows?

Steps to install Jupyter on Windows Read More
by Phee Jay

January 20, 2025

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Hadoop - What is Hadoop? An Overview of the Ecosystem

In an era where data is considered the new oil, managing and processing large volumes of data efficiently is critical for businesses. Hadoop, an open-source framework, has revolutionized the way organizations store, process, and analyze massive datasets. In this article, we’ll explore what Hadoop is, its core components, and how it fits into the broader big data ecosystem. Read More
by Phee Jay

January 16, 2025

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JSON Serialization - How to Preserve the Type with Jackson

Learn how to preserve type information during JSON serialization and deserialization using Jackson. This guide explains best practices, including the use of @JsonTypeInfo and enabling default typing, to maintain object structure while working with polymorphic types in Java. Read More
by Phee Jay

January 03, 2025

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Explained - Key Data Concepts: Data Warehouse, Data Mart, Data Lake, and Data Lakehouse

Explore the differences between data warehouses, data marts, data lakes, and data lakehouses. Understand their features, use cases, and how to choose the right solution for effective data management. Read More
by Phee Jay

January 03, 2025

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Explained - Lambda Architecture

Learn about Lambda Architecture, a data-processing framework that combines batch and real-time processing to efficiently handle massive data streams, ensuring scalability, fault tolerance, and accuracy in data systems. Read More
by Phee Jay

January 03, 2025

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Java - How to create Immutable Classes in Java

Discover how to create immutable classes in Java with step-by-step guidance, key principles, and best practices for designing secure and robust objects. Read More
by Phee Jay

January 03, 2025

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Explained - Key differences between Kafka and AMQP

Understand the key differences between Kafka and AMQP, comparing their architectures and use cases to help you choose the right solution. Read More
by Phee Jay

November 22, 2024

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Explained - WebDrivers

Explore the fundamentals of WebDrivers, the key components for browser automation in Selenium. Learn how WebDrivers interact with browsers, their role in executing automated tests, and tips for choosing the right WebDriver for your project needs. Read More
by Phee Jay

November 14, 2024

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Explained - Webhooks

Discover the concept of webhooks, a lightweight way for apps to send real-time data updates. Learn how they work, common use cases, and best practices for implementing secure and efficient webhooks in your applications. Read More
by Phee Jay

November 10, 2024

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Explained - IPSec VPN Tunnels

Delve into the essentials of IPSec VPN tunnels with this white paper. Understand their architecture, protocols, encryption methods, and use cases for secure communication. Perfect for those seeking a detailed technical overview of VPN implementation and best practices. Read More
by Phee Jay

October 28, 2024

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Explained - Data Mesh

Explore the concept of Data Mesh in this white paper, a decentralized approach to data architecture. Learn how it empowers domain teams, ensures scalability, and improves data ownership and quality, revolutionizing traditional data management practices. Read More
by Phee Jay

October 28, 2024

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Explained - Message Queuing Telemetry Transport (MQTT)

The blog post provides a detailed overview of the MQTT protocol, focusing on its architecture, benefits, and use cases in IoT environments. Read More
by Phee Jay

October 28, 2024

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Explained - Distributed Storage Systems

The blog post explores distributed storage systems, discussing their architecture, benefits, and key technologies like consistency models and replication. It covers use cases, scalability, fault tolerance, and the evolution of storage solutions for modern applications. Read More
by Phee Jay

December 09, 2022

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Okta - PKCE Verification Failed while requesting token

Understand and resolve the "PKCE verification failed" error when integrating with Okta. This guide explains common causes, such as mismatched code verifiers, and provides troubleshooting steps to ensure secure and successful OAuth 2.0 authentication flows. Read More
by Phee Jay

December 08, 2022

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AWS - How to rename an AWS Lambda function?

The blog post provides a step-by-step guide on how to rename an AWS Lambda function, including considerations for preserving configurations, updating dependencies, and ensuring proper function invocation. Read More
by Phee Jay

February 11, 2019

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Groovy - What is Memoization?

Learn about memoization in Groovy, a powerful technique to optimize performance by caching function results. Understand how it works, its benefits, and how to implement memoization effectively to reduce redundant computations in your applications. Read More
by Phee Jay