Fading Coder

One Final Commit for the Last Sprint

Investigating TCP Packet Sizes Exceeding MTU Through TSO and GRO

Simulating Large Data Transmission with RedisTo analyze TCP behavior with large payloads, a Java client can be used to push data significantly exceeding the typical MTU size into a Redis instance. The following example generates a string payload of approximately 38KB and sends it to the server.impor...

Redis, Kafka, and ZooKeeper Core Concepts and Common Interview Questions

Redis Performence and Persistence Redis achieves high read/write speeds through: In-memory storage: Data resides entirely in RAM, enabling faster access compared to disk-based systems. Single-threaded model: Eliminates context-switching and lock contention overhead, simplifying concurrency control....

Cloud Server Environment Setup and Network Port Management

Containerization with Docker To manage applications efficiently, Docker is used as the primary runtime environment. Ensure system compatibility before proceeding with the installation. Installation via Package Manager Update the local package index and install the necessary dependencies to allow yum...

Installing and Configuring Redis on Linux

Installing Redis from Source on Linux To install Redis on distributions like CentOS 7 or Ubuntu 18.04: Download the source archive: wget http://download.redis.io/releases/redis-4.0.0.tar.gz Extract the archive: tar -xvf redis-4.0.0.tar.gz Compile the source: cd redis-4.0.0 make If compilation fails...

Essential Configuration Changes When Upgrading to Spring Boot 2.x

Redis Connection Factory Configuration Spring Boot 2.x introduces significant changes to Redis auto-configuration. The Jedis client setup requires explicit bean definitions with updated APIs. Required Dependency <dependency> <groupId>org.springframework.boot</groupId> <artifactI...

Java Development Environment Setup: Tools Installation Guide

This guide covers the installation of essential development tools for Java backend development using Spring Boot. Prerequisites Windows 10 operating system Minimum 8GB RAM recommended Download all required software before starting Development Tools Overview The following tools are required for Java...

Strategies for Implementing Distributed Locks and Managing Transactions

Addressing Concurrency Issues in Inventory ManagementIn high-traffic e-commerce systems, a common concurrency challenge is the "overselling" phenomenon, where the quantity of sold goods exceeds the available stock. This discrepancy typically arises when inventory deduction logic is performed in appl...

Advanced Redis Data Types: Geospatial, HyperLogLog, and Bitmaps

Geospatial DataRedis handles geographic coordinates using Sorted Sets. Longitude and latitude are encoded into a 52-bit GeoHash value, which serves as the score, while the location identifier acts as the member. This enables efficient spatial queries and distance computations.Key CommandsGEOADD: Sto...

Deploying and Configuring Redis on Windows

Acquiring Windows BinariesSince the official Redis project does not supply Windows executables, Windows-compatible builds can be sourced from community-maintained repositories. Extract the downloaded archive to your preferred directory.Executable ComponentsFilePurposeredis-server.exeLaunches the Red...

Implementing Robust Distributed Locks Under High Concurrency with Redis

Naive implementations of Redis-based distributed locks frequently encounter critical race conditions and deadlock scenarios under high-throughput workloads. Three primary failure modes illustrate why manual management is insufficient for production environments. Failure Modes in Manual Implemantatio...