Nov 28, 2025 · 4 min read · If you’re building a modern application that needs speed, availability, and fault tolerance, MongoDB replication is one of the easiest and most powerful features you can use. 📌 What Is Master–Slave (Primary–Replica) Replication? Replication ensures ...
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Jul 17, 2025 · 14 min read · The call came at 2:17 AM. The on-call engineer’s voice was a familiar mix of adrenaline and despair. "The site is down. Again." Our e-commerce platform, once the darling of the tech press, was now a victim of its own success. Every flash sale, every ...
Join discussionApr 21, 2025 · 3 min read · Data Replication strategies on the server Data replication involves copying and maintaining the data inside the Database, to ensure that consistent and reliable access to the data they need. Types of Data replication Master Slave replicationMaster Ma...
Join discussionMar 24, 2025 · 2 min read · In this article, I’m going to dig into, how you can restore your replica from the source. The reason can vary from huge lag to data discrepancy etc… The overview of steps would look like: Note the master LOG_POS and LOG_FILE Take snapshot of data v...
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Aug 4, 2024 · 2 min read · In Jenkins, a master-slave configuration (also referred to as controller-agent configuration) involves setting up a primary Jenkins instance (the master or controller) that manages jobs, configurations, and orchestrates the build processes, and one o...
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May 31, 2024 · 10 min read · What is Pgpool-II? Pgpool-II is a middleware that can run on Linux and Solaris between applications and PostgreSQL databases. Its main features include the following: Load balancing Replication Connection pooling Automatic failover Online recove...
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Apr 17, 2024 · 5 min read · Leader-based replication requires all writes to go through a single node, but read only queries can go to any replica. For workloads that consist of mostly reads and only a small percentage of writes (a common pattern on the web), there is an attrac‐...
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Jan 25, 2024 · 3 min read · Assumptions: You have MySQL installed on both the master and replica machines. You have appropriate permissions to perform administrative tasks. Step 1: Update Package List on Both Master and Slave Node: To ensure you get the most recent details ...
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