Database

MongoDB Fundamentals: Installation and Replication on Linux (Ubuntu & RHEL)

Blog, Database, Devops

Learn MongoDB fundamentals including installation, replica set architecture, Primary, Secondary, Arbiter roles, elections, and replication management on Linux. What Is MongoDB? MongoDB is a document-oriented NoSQL database designed for scalability, flexibility, and high availability. It stores data in BSON (JSON-like) documents and is widely used in modern web, microservices, and cloud-native applications. MongoDB achieves high […]

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Redis Fundamentals: Installation and Replication on Linux (Ubuntu & RHEL)

Blog, Database, Devops

Learn Redis fundamentals, including installation, configuration, and master-replica replication on Ubuntu and RHEL Linux. What Is Redis? Redis is an in-memory key-value data store used for caching, messaging, and real-time analytics. It offers extremely low latency and supports optional persistence. Redis Installation Ubuntu RHEL / Rocky / Alma Verify: Basic Configuration Edit: Key settings: Restart

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Database Debugging Explained: Troubleshooting Performance and Failures

Blog, Database, Devops

Learn practical database debugging techniques to troubleshoot performance issues, errors, and operational failures. What Is Database Debugging? Database debugging is the process of identifying and resolving issues that affect database performance, availability, or correctness. These issues may arise from configuration errors, query inefficiencies, resource exhaustion, or infrastructure problems. Effective debugging relies on logs, metrics, and

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Database Performance Explained: Monitoring, Optimization, and Best Practices

Blog, Database, Monitoring

Learn how to monitor database performance, identify bottlenecks, and apply best practices for reliable database operations. Why Database Performance Matters Database performance directly impacts application speed, user experience, and infrastructure costs. Even well-designed applications can fail if the database becomes a bottleneck. Performance management requires continuous monitoring and tuning, not one-time fixes. Key Database Performance

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Introduction to Databases: A Practical Guide for Developers

Database

Learn the essential database concepts every developer must know, including data storage, management, and real-world application use cases. Data is at the core of almost every modern application. Whether it is a web platform handling user accounts, a financial system processing transactions, or an analytics pipeline generating business insights, the ability to store, retrieve, and

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