May 3 · 20 min read · TLDR: Split brain happens when a network partition causes two nodes to simultaneously believe they are the leader — each accepting writes the other never sees. Prevent it with quorum consensus (at least ⌊N/2⌋+1 nodes must agree before leadership is g...
Join discussionOct 13, 2025 · 3 min read · The latest Apache Kafka version 3.9. which supports Zookeeper was released in November 2024. The community provides around one year of support for Apache Kafka minor releases. So if you’re running on Apache Kafka 3.9 it’s highly recommend to plan a m...
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Jul 7, 2025 · 11 min read · What is Apache Kafka? Apache Kafka is a distributed, fault-tolerant, and high-throughput messaging system based on the publish-subscribe model. It was originally developed at LinkedIn and open-sourced in 2011. Send and receive real-time data → Like...
Join discussionJul 1, 2025 · 4 min read · In an era where visibility often outruns substance, Madison Zhao is a refreshing exception. Her rise to fame may have started in the spotlight, but her real power lies in what she’s built behind it. From her early days as a recognizable face to becom...
Join discussionJun 3, 2025 · 8 min read · By Pavit Kaur When I first heard about Kafka, it sounded intense.Distributed systems, message brokers, real time data pipelines, the kind of stuff you imagine running in the background of big tech companies. But curiosity got the better of me. I deci...
Join discussionMar 27, 2025 · 4 min read · What Problem Does Leader Election Solve? In distributed systems, many nodes (servers) work together to perform tasks. However, some tasks require coordination by a single node to avoid conflicts or inconsistencies. For example: Database Writes : Onl...
Join discussionMar 27, 2025 · 3 min read · step-by-step POC for distributed locking using ZooKeeper. Simulate two clients competing for a lock (e.g., accessing a shared resource like a database). Step 1: Start ZooKeeper brew install zookeeper zkServer start Step 2: Create a Lock Path Termi...
Join discussionMar 27, 2025 · 2 min read · POC for service discovery where 3 service instances register themselves, and 1 instance goes down. You’ll use ZooKeeper CLI and observe how ephemeral nodes and watches handle failures. Step 1: Install and Start ZooKeeper Start ZooKeeper Server: br...
Join discussionJan 22, 2025 · 4 min read · Kafka is a distributed event streaming platform used for real-time data processing. It’s similar to Celery + RabbitMQ but is more scalable and fault-tolerant. 🚀 Why Use Kafka in Django? Handles large-scale real-time data (e.g., stock market prices,...
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