BestHub
Sign in
Tagged articles

Redis

3563 articles · Page 28 of 36
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 22, 2020 · Backend Development

How Short URLs Work: From Generation to High‑Performance Service Design

This article explains why short URLs are used in SMS and other platforms, outlines their benefits, describes the basic workflow of mapping long URLs to short ones, and dives into backend design choices such as incremental ID generation, storage strategies, caching, batch allocation, and distributed generation using Redis and Java.

BackendHigh ConcurrencyJava
0 likes · 11 min read
How Short URLs Work: From Generation to High‑Performance Service Design
Code Ape Tech Column
Code Ape Tech Column
Dec 22, 2020 · Databases

Comparison and Review of Popular Redis Visualization Tools

This article evaluates and compares a range of Redis visualization tools—including desktop clients, web applications, and IDE plugins—by examining their features, usability, platform support, pricing, and command‑line integration to help developers choose the most suitable solution for their workflow.

Desktop ClientIDE pluginRedis
0 likes · 9 min read
Comparison and Review of Popular Redis Visualization Tools
Code Ape Tech Column
Code Ape Tech Column
Dec 21, 2020 · Backend Development

13 Proven Redis Performance Tweaks Every Engineer Should Apply

This article presents thirteen practical Redis performance‑optimization rules—covering command complexity, key expiration, data structures, persistence, hardware choices, clustering, memory fragmentation, and client‑side techniques—to help developers identify bottlenecks and boost throughput and latency in production environments.

BackendCachingOptimization
0 likes · 12 min read
13 Proven Redis Performance Tweaks Every Engineer Should Apply
Java Backend Technology
Java Backend Technology
Dec 19, 2020 · Databases

Deep Dive into Redis: Data Structures, Persistence, and High Availability

This comprehensive guide explores Redis internals, covering its core data types and their low‑level implementations, persistence mechanisms like RDB and AOF, performance tricks, common pitfalls such as cache avalanche and split‑brain, distributed locking strategies, expiration and eviction policies, high‑availability architectures, and rate‑limiting techniques.

PersistenceRedishigh availability
0 likes · 35 min read
Deep Dive into Redis: Data Structures, Persistence, and High Availability
Top Architect
Top Architect
Dec 18, 2020 · Fundamentals

Understanding Bloom Filters: Principles, Applications, and Java Implementations with Guava and Redis

This article explains Bloom filters, their core principles, typical use cases like cache penetration and large‑scale membership testing, and demonstrates practical Java implementations using Guava and Redis, including code examples, performance analysis, and discussion of their advantages and limitations.

Bloom FilterCache PenetrationGuava
0 likes · 12 min read
Understanding Bloom Filters: Principles, Applications, and Java Implementations with Guava and Redis
Architect's Tech Stack
Architect's Tech Stack
Dec 18, 2020 · Databases

How to Use Redis to Count Website Visits: Hash, Bitset, and Probabilistic Algorithms

This article explains three Redis-based approaches—using Hashes, Bitsets, and the HyperLogLog probabilistic algorithm—to count daily website visits, detailing command usage, advantages, disadvantages, and implementation considerations for high‑traffic sites, including handling logged‑in and anonymous users, memory consumption, and accuracy trade‑offs.

Data StructuresProbabilistic AlgorithmsRedis
0 likes · 6 min read
How to Use Redis to Count Website Visits: Hash, Bitset, and Probabilistic Algorithms
Laravel Tech Community
Laravel Tech Community
Dec 15, 2020 · Backend Development

lock4j-spring-boot-starter 2.1.0 Release Overview

lock4j-spring-boot-starter is a Spring Boot distributed lock library that provides simple yet powerful locking capabilities with support for Redisson, RedisTemplate, and Zookeeper, and the 2.1.0 release adds global configuration, executor enhancements, default priority ordering, and both declarative and programmatic usage options.

BackendJavaRedis
0 likes · 2 min read
lock4j-spring-boot-starter 2.1.0 Release Overview
FunTester
FunTester
Dec 15, 2020 · Backend Development

Run All Scrapy Spiders Together and Fix Video Download Errors

This guide shows how to create a custom Scrapy command to launch every spider at once, separate each spider's settings for better modularity, and resolve video download problems by adjusting request headers and handling file saving correctly.

BackendCustom CommandPython
0 likes · 5 min read
Run All Scrapy Spiders Together and Fix Video Download Errors
Programmer DD
Programmer DD
Dec 14, 2020 · Databases

Master Redis: Explore All 8 Data Types and Essential Commands

This guide walks through Redis’s eight core data structures—String, List, Set, Hash, Sorted Set, Geospatial, HyperLogLog, and Bitmap—detailing their commands, practical usage scenarios, and example interactions to help developers ace interview questions and optimize NoSQL solutions.

Data TypesNoSQLRedis
0 likes · 24 min read
Master Redis: Explore All 8 Data Types and Essential Commands
Code Ape Tech Column
Code Ape Tech Column
Dec 12, 2020 · Backend Development

Building a Scalable Short‑URL Service with Redis and Java

Short URLs are popular in SMS and social media because they save characters, look tidy, enable analytics, and hide parameters; this article explains their benefits, the basic redirect workflow, and provides a detailed backend design—including storage choices, high‑concurrency strategies, distributed ID generation, and a Java‑Redis implementation.

BackendHigh ConcurrencyJava
0 likes · 11 min read
Building a Scalable Short‑URL Service with Redis and Java
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Dec 11, 2020 · Backend Development

Common Cache Read/Write Strategies for Production Environments

This article reviews five widely used cache read/write strategies—including simple write‑DB‑then‑cache, Cache‑Aside, Write/Read‑Through, Write‑Back, and LRU eviction—explaining their workflows, advantages, disadvantages, and suitability for different production scenarios.

Caching StrategiesRedisbackend development
0 likes · 7 min read
Common Cache Read/Write Strategies for Production Environments
Top Architect
Top Architect
Dec 11, 2020 · Backend Development

Designing a High-Concurrency Ticket‑Spiking System with Load Balancing, Redis, and Go

This article explains how to build a high‑concurrency ticket‑spike system by analyzing 12306's extreme load, introducing multi‑layer load balancing (OSPF, LVS, Nginx), comparing stock‑deduction strategies, and presenting a Go prototype that uses in‑memory stock, Redis centralized inventory, and weighted Nginx routing to achieve scalable, fault‑tolerant performance.

GoNginxRedis
0 likes · 19 min read
Designing a High-Concurrency Ticket‑Spiking System with Load Balancing, Redis, and Go
IT Architects Alliance
IT Architects Alliance
Dec 10, 2020 · Backend Development

Designing a High‑Concurrency Ticket Spike System: Load Balancing, Stock Deduction, and Go Implementation

This article explores the architecture and implementation of a high‑concurrency ticket‑spike system, covering distributed load‑balancing, Nginx weighted round‑robin configuration, Go‑based local and remote stock deduction with Redis, performance testing, and strategies to avoid overselling and underselling.

GoHigh ConcurrencyRedis
0 likes · 19 min read
Designing a High‑Concurrency Ticket Spike System: Load Balancing, Stock Deduction, and Go Implementation
Selected Java Interview Questions
Selected Java Interview Questions
Dec 8, 2020 · Backend Development

High‑Concurrency Performance Tuning of a Java SSM E‑commerce Project: Diagnosis, Optimization, and Results

This article details a complete end‑to‑end high‑concurrency tuning process for a Java SSM monolithic e‑commerce system, covering problem identification, root‑cause analysis, a series of JVM, Tomcat, Redis and JDBC optimizations, horizontal scaling, code refactoring, and the resulting stability improvements.

High ConcurrencyJVMJava
0 likes · 9 min read
High‑Concurrency Performance Tuning of a Java SSM E‑commerce Project: Diagnosis, Optimization, and Results
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 7, 2020 · Backend Development

How to Build a Million-User Ticket Spike System with Go, Nginx, and Redis

This article explores the architecture and implementation of a high‑concurrency ticket‑spike system inspired by China’s 12306 platform, covering load‑balancing strategies, Nginx weighted round‑robin, local and remote inventory deduction, Go concurrency patterns, Redis atomic operations, and performance testing results.

GoRedisticketing system
0 likes · 21 min read
How to Build a Million-User Ticket Spike System with Go, Nginx, and Redis
Programmer DD
Programmer DD
Dec 6, 2020 · Databases

Master Redis Interview: Persistence, Caching Strategies, Clustering & More

This comprehensive guide covers essential Redis interview topics, including persistence mechanisms (RDB and AOF), cache challenges such as avalanche, penetration and pre‑warming, data types and their use cases, internal structures, eviction policies, single‑thread performance, clustering solutions, distributed locking, transactions, and best practices for high‑traffic environments.

CachingClusteringPersistence
0 likes · 25 min read
Master Redis Interview: Persistence, Caching Strategies, Clustering & More
Architect
Architect
Dec 5, 2020 · Backend Development

High‑Concurrency Ticket Spike System Architecture and Implementation with Nginx, Redis, and Go

The article analyzes the extreme‑traffic challenges of China’s 12306 ticket‑spike service, presents a layered load‑balancing architecture using OSPF, LVS, and Nginx weighted round‑robin, and demonstrates a Go‑based prototype that combines local in‑memory stock deduction with Redis‑backed global stock control to achieve stable, high‑throughput ticket purchasing without overselling.

GoHigh ConcurrencyNginx
0 likes · 20 min read
High‑Concurrency Ticket Spike System Architecture and Implementation with Nginx, Redis, and Go
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Dec 3, 2020 · Databases

Manual Setup of a Redis Cluster on macOS

This article provides a step‑by‑step guide for manually building a six‑node Redis cluster on macOS, detailing environment setup, configuration changes, node startup, slot allocation, and converting master nodes to slaves, with screenshots and command examples.

ClusterRedisTutorial
0 likes · 6 min read
Manual Setup of a Redis Cluster on macOS
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Dec 1, 2020 · Databases

Why Redis Dominates Modern Caching: Features, Architecture, and Best Practices

Redis, an in‑memory C‑language database, offers ultra‑fast read/write speeds, rich data structures, persistence, clustering, and multi‑threaded I/O, making it ideal for distributed caching, locks, queues, and more; this guide explains its fundamentals, comparisons with Memcached, data types, eviction policies, and operational best practices.

Data StructuresRediscache
0 likes · 36 min read
Why Redis Dominates Modern Caching: Features, Architecture, and Best Practices
Laravel Tech Community
Laravel Tech Community
Nov 30, 2020 · Databases

Eight Redis Data Types and Their Core Commands

This article introduces Redis's eight fundamental data types—String, List, Set, Hash, Sorted Set, Geospatial, HyperLogLog, and Bitmap—explaining their characteristics, typical use‑cases, and providing concrete command‑line examples that demonstrate creation, manipulation, and querying of each type.

Data TypesRediscommands
0 likes · 22 min read
Eight Redis Data Types and Their Core Commands
System Architect Go
System Architect Go
Nov 30, 2020 · Databases

Five Ways to Sync MySQL Data to Elasticsearch, Redis, MQ, etc.

This article outlines five practical methods for synchronizing MySQL data to external systems such as Elasticsearch, Redis, and message queues, covering business‑layer hooks, middleware integration, scheduled tasks using updated_at, binlog parsing with ROW format, and handling mixed or statement binlog formats, plus open‑source tools.

BinlogElasticsearchKafka
0 likes · 5 min read
Five Ways to Sync MySQL Data to Elasticsearch, Redis, MQ, etc.
New Oriental Technology
New Oriental Technology
Nov 30, 2020 · Backend Development

Five Implementation Approaches for Delayed Messages in Message Queues

This article explains the concept and common use cases of delayed messages and compares five practical implementation methods—using Redis sorted sets, RabbitMQ delayed‑message exchange plugin, ActiveMQ scheduled messages, RocketMQ fixed delay levels, and a custom RocketMQ solution—detailing their workflows, advantages, and drawbacks.

ActiveMQImplementationMessage Queue
0 likes · 19 min read
Five Implementation Approaches for Delayed Messages in Message Queues
Code Ape Tech Column
Code Ape Tech Column
Nov 30, 2020 · Backend Development

Master Redis: Persistence, Caching Pitfalls, Clustering & Performance Tips

This article provides a comprehensive guide to Redis for interview preparation, covering persistence mechanisms, common caching challenges such as avalanche and penetration, data types and their use cases, internal structures, expiration policies, single‑threaded performance, clustering options, distributed locking, and best‑practice solutions.

CachingClusteringData Types
0 likes · 27 min read
Master Redis: Persistence, Caching Pitfalls, Clustering & Performance Tips
Ops Development Stories
Ops Development Stories
Nov 27, 2020 · Operations

How to Monitor Redis with Zabbix Agent2: A Complete Guide

This article explains how to use Zabbix Agent2 to monitor Redis, covering the plugin's architecture, configuration priority, methods for retrieving INFO, CONFIG, health status, and slow‑query logs, as well as practical steps to set up the Redis template in Zabbix.

DevOpsMonitoringOperations
0 likes · 9 min read
How to Monitor Redis with Zabbix Agent2: A Complete Guide
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Nov 25, 2020 · Databases

Redis Basics: Overview, Installation, and Common Commands

This article introduces Redis as a high‑performance, in‑memory NoSQL database, explains why learning it is valuable, provides step‑by‑step installation instructions, and presents essential commands for keys, strings, lists, sets, sorted sets, and hashes with practical code examples.

NoSQLRediscommands
0 likes · 10 min read
Redis Basics: Overview, Installation, and Common Commands
Code Ape Tech Column
Code Ape Tech Column
Nov 24, 2020 · Databases

Understanding Redis Persistence: A Deep Dive into AOF and RDB

This article explains Redis's two persistence mechanisms—AOF (Append Only File) and RDB (snapshot)—detailing their concepts, write‑back strategies, rewrite process, performance trade‑offs, snapshot handling, copy‑on‑write technique, incremental snapshots, and the benefits of combining both approaches.

AOFCopy-on-WritePersistence
0 likes · 14 min read
Understanding Redis Persistence: A Deep Dive into AOF and RDB
macrozheng
macrozheng
Nov 20, 2020 · Operations

How Redis Achieves High Availability: A Story of Replication and Failover

This article narrates how Redis, personified as a character, synchronizes data between master and slave nodes through command propagation, adopts improved sync strategies, and uses Sentinel's INFO and PING checks to detect failures and automatically trigger failover, illustrating a practical high‑availability cache service.

RedisReplicationSentinel
0 likes · 4 min read
How Redis Achieves High Availability: A Story of Replication and Failover
Efficient Ops
Efficient Ops
Nov 18, 2020 · Databases

Mastering Redis Persistence: RDB vs AOF Explained

This article provides a comprehensive guide to Redis persistence mechanisms, detailing how RDB snapshots and AOF logs work, how to configure and use them, their advantages and drawbacks, and how to choose the right approach for reliable data storage.

AOFNoSQLPersistence
0 likes · 12 min read
Mastering Redis Persistence: RDB vs AOF Explained
dbaplus Community
dbaplus Community
Nov 16, 2020 · Cloud Native

How Xiaomi Scaled Redis with Kubernetes: Resource Isolation, Automation, and Proxy Design

This article details Xiaomi's migration of tens of thousands of Redis instances from physical servers to Kubernetes, explaining the motivations for containerization, the deployment architecture with StatefulSets and a custom Redis Proxy, performance comparisons of proxy options, operational challenges, and the resulting benefits in resource utilization, automation, and service stability.

KubernetesProxyRedis
0 likes · 18 min read
How Xiaomi Scaled Redis with Kubernetes: Resource Isolation, Automation, and Proxy Design
Architect's Tech Stack
Architect's Tech Stack
Nov 13, 2020 · Databases

How to Safely Scan Large Redis Keyspaces with the SCAN Command

This article explains why using the KEYS command on massive Redis datasets can cause service blockage, analyzes the underlying O(n) traversal cost, and demonstrates how the incremental SCAN command with cursor, MATCH, and COUNT options provides a non‑blocking alternative for efficiently iterating keys.

Key ManagementRedisSCAN
0 likes · 5 min read
How to Safely Scan Large Redis Keyspaces with the SCAN Command
Laravel Tech Community
Laravel Tech Community
Nov 10, 2020 · Backend Development

Implementing User Check‑In Feature: MySQL vs Redis Bitmap Approaches

This article examines common techniques for implementing a user check‑in function in web and mobile applications, comparing a straightforward MySQL table solution with a Redis bitmap approach, detailing the data structures, code examples, workflow, and the advantages and disadvantages of each method.

BitmapMySQLRedis
0 likes · 6 min read
Implementing User Check‑In Feature: MySQL vs Redis Bitmap Approaches
ITPUB
ITPUB
Nov 9, 2020 · Backend Development

Why Distributed Locks Matter: Solving Inventory Oversell with Redis and Zookeeper

The article explains how a single‑machine Java lock can cause inventory oversell in a distributed e‑commerce system, introduces the concept of a global distributed lock, and compares practical implementations using Redis (including RedLock and Redisson) and Zookeeper (with Curator), highlighting their trade‑offs and selection guidelines.

RedisRedissonZooKeeper
0 likes · 17 min read
Why Distributed Locks Matter: Solving Inventory Oversell with Redis and Zookeeper
php Courses
php Courses
Nov 5, 2020 · Backend Development

Installing and Configuring the PHP Redis Extension for a Historical Search Queue

This guide walks through checking your PHP configuration, downloading the appropriate Redis extension, installing it, updating php.ini, verifying the installation, starting the Redis service, and shows the core template and PHP server code needed to implement a historical search queue using Redis.

Extension InstallationPHPQueue
0 likes · 2 min read
Installing and Configuring the PHP Redis Extension for a Historical Search Queue
Programmer DD
Programmer DD
Nov 4, 2020 · Databases

7 Essential Linux Tweaks to Supercharge Redis Performance

This guide explains seven critical Linux operating‑system settings—memory overcommit, swappiness, Transparent Huge Pages, OOM killer, NTP synchronization, ulimit, and TCP backlog—that together ensure Redis runs reliably and at peak speed.

OS TuningRedisdatabase
0 likes · 14 min read
7 Essential Linux Tweaks to Supercharge Redis Performance
php Courses
php Courses
Nov 2, 2020 · Backend Development

Implementing a Redis Multi-Database Singleton Wrapper in ThinkPHP

This guide demonstrates how to set up a Redis multi-database singleton wrapper in a ThinkPHP project, covering prerequisite installation, configuration of connection parameters, creation of a custom Redis class with static instance management, and example usage of Redis commands across different databases.

BackendPHPRedis
0 likes · 3 min read
Implementing a Redis Multi-Database Singleton Wrapper in ThinkPHP
php Courses
php Courses
Nov 2, 2020 · Backend Development

Using Laravel's RedisLock to Prevent Cache Breakdown

This article explains the cache breakdown problem, introduces Laravel 7's built‑in RedisLock class, details its constructor parameters, and provides a complete code example demonstrating how to acquire and release a Redis lock to safely populate and update cached data.

BackendLaravelLock
0 likes · 3 min read
Using Laravel's RedisLock to Prevent Cache Breakdown
Efficient Ops
Efficient Ops
Nov 1, 2020 · Databases

Why Is Redis Slowing Down? Diagnose and Fix Common Latency Issues

This article explains the typical reasons behind Redis latency spikes—such as complex commands, big keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network overload—and provides practical steps and monitoring techniques to identify and resolve each problem.

BigKeyMonitoringRedis
0 likes · 18 min read
Why Is Redis Slowing Down? Diagnose and Fix Common Latency Issues
Programmer DD
Programmer DD
Nov 1, 2020 · Backend Development

What’s New in Spring Data Ockham (2020.0.0) Release?

The October 2020 Spring Data Ockham (2020.0.0) release introduces a new version‑naming scheme, updates to Spring Data Neo4j, JDBC, R2DBC, Redis, adds RxJava 3 and De‑lombok support, and outlines compatibility notes for Spring Boot 2.4 and Neo4j users.

JavaNeo4jOckham
0 likes · 3 min read
What’s New in Spring Data Ockham (2020.0.0) Release?
Selected Java Interview Questions
Selected Java Interview Questions
Oct 29, 2020 · Databases

Advanced Redis Operations: Pipeline, Transactions, Pub/Sub, Key Migration, and Scanning

This article provides a comprehensive guide to advanced Redis operations, covering pipeline usage, transaction handling, publish/subscribe mechanisms, key migration techniques, custom command implementation with Jedis, and efficient key scanning methods, complete with code examples and performance comparisons.

Key MigrationRedisScanning
0 likes · 16 min read
Advanced Redis Operations: Pipeline, Transactions, Pub/Sub, Key Migration, and Scanning
JavaEdge
JavaEdge
Oct 24, 2020 · Databases

Mastering Redis Cluster: Scaling, Routing, and Fault Tolerance Explained

This article explains why Redis clusters are needed, how CLUSTER MEET builds the network, slot assignment, scaling procedures, client redirection mechanisms, batch operations, fault detection, recovery processes, and common operational pitfalls, providing practical guidance for building and maintaining a robust Redis Cluster deployment.

ClusterRedisfault tolerance
0 likes · 22 min read
Mastering Redis Cluster: Scaling, Routing, and Fault Tolerance Explained
Programmer DD
Programmer DD
Oct 23, 2020 · Databases

Mastering Redis Lua Scripting: Essential Syntax and Best Practices

This article explains how Redis introduced Lua scripting to combine multiple commands atomically, covers Lua basics, data types, control structures, script execution with EVAL/EVALSHA, script management commands, and practical tips for writing efficient, safe Redis Lua scripts.

LuaRedisatomic
0 likes · 14 min read
Mastering Redis Lua Scripting: Essential Syntax and Best Practices
Programmer DD
Programmer DD
Oct 23, 2020 · Databases

Auto‑Close Unpaid Orders with Redis Key Expiration Events in Spring Boot

This guide explains how to use Redis key expiration notifications in a Spring Boot application to automatically close unpaid orders by storing an order‑ID key with a TTL, configuring Redis to emit expiration events, and implementing a listener that updates order status when the key expires.

JavaKey ExpirationRedis
0 likes · 6 min read
Auto‑Close Unpaid Orders with Redis Key Expiration Events in Spring Boot
Top Architect
Top Architect
Oct 21, 2020 · Backend Development

Design and Technical Solutions for a High‑Concurrency Flash Sale System

This article examines the challenges of building a flash‑sale (秒杀) system—such as overselling, high concurrency, request throttling, and database strain—and presents a comprehensive backend design using separate databases, dynamic URLs, static pages, Redis clustering, Nginx, token‑bucket rate limiting, asynchronous order processing, and service degradation strategies.

High ConcurrencyRedisasynchronous-processing
0 likes · 15 min read
Design and Technical Solutions for a High‑Concurrency Flash Sale System
Laravel Tech Community
Laravel Tech Community
Oct 20, 2020 · Databases

Analyzing and Troubleshooting Redis Latency Issues

This article explains common causes of Redis latency spikes, such as high‑complexity commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation, and provides step‑by‑step troubleshooting commands and best‑practice recommendations.

AOFLarge KeysRedis
0 likes · 18 min read
Analyzing and Troubleshooting Redis Latency Issues
DevOps Cloud Academy
DevOps Cloud Academy
Oct 19, 2020 · Cloud Native

Step‑by‑Step Guide to Deploy Spinnaker with Halyard on Kubernetes Using External Redis and MySQL

This guide walks through the complete deployment of Spinnaker on Kubernetes using Halyard, covering architecture analysis, preparation of Redis, MySQL and MinIO, container image retrieval, BOM preparation, Halyard configuration, external Redis and SQL database integration, authentication, canary analysis, monitoring, and additional settings.

CI/CDDevOpsHalyard
0 likes · 24 min read
Step‑by‑Step Guide to Deploy Spinnaker with Halyard on Kubernetes Using External Redis and MySQL
Selected Java Interview Questions
Selected Java Interview Questions
Oct 17, 2020 · Databases

Redis Interview Questions and Answers: Persistence, Caching Issues, Data Types, Clustering, and More

This article provides a comprehensive overview of Redis interview topics, covering persistence mechanisms, cache avalanche and penetration problems, hot and cold data concepts, differences from Memcached, single‑thread performance, data structures, expiration policies, clustering solutions, distributed locks, transactions, and practical troubleshooting tips.

CachingClusteringData Types
0 likes · 23 min read
Redis Interview Questions and Answers: Persistence, Caching Issues, Data Types, Clustering, and More
Java Captain
Java Captain
Oct 16, 2020 · Backend Development

Understanding Redis Cache Issues: Penetration, Breakdown, and Avalanche

This article explains the three major Redis cache problems—cache penetration, cache breakdown, and cache avalanche—describes their causes, illustrates solutions such as empty-object caching, Bloom filters, locking, and provides practical code examples and mitigation strategies.

Bloom FilterCache AvalancheCache Penetration
0 likes · 11 min read
Understanding Redis Cache Issues: Penetration, Breakdown, and Avalanche
Pupu Technology
Pupu Technology
Oct 12, 2020 · Operations

From Network Jitter to Fault Drills: A Real‑World Redisson Bug Investigation

The article recounts a production outage caused by cloud‑platform network jitter, details step‑by‑step fault diagnosis using logs, APM and monitoring, reproduces the issue with chaos‑engineered Redis/Redisson faults, and outlines how the team turned the incident into a systematic fault‑drill practice.

RedisRedissonchaos engineering
0 likes · 20 min read
From Network Jitter to Fault Drills: A Real‑World Redisson Bug Investigation
Programmer DD
Programmer DD
Oct 9, 2020 · Operations

Why Is Redis Slowing Down? 7 Common Latency Culprits and How to Fix Them

This article examines the typical reasons Redis latency spikes—such as high‑complexity commands, big keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation—and provides practical diagnostics and mitigation steps to keep Redis responsive.

BigKeyRedislatency
0 likes · 17 min read
Why Is Redis Slowing Down? 7 Common Latency Culprits and How to Fix Them
MaGe Linux Operations
MaGe Linux Operations
Oct 5, 2020 · Backend Development

Redis vs Memcached: Which In‑Memory Database Fits Your Backend?

This article compares Redis and Memcached across thread models, data structures, eviction policies, pipelines, persistence, high availability, and clustering, helping developers choose the most suitable in‑memory database for their specific workload and performance requirements.

CachingIn-Memory DatabaseMemcached
0 likes · 10 min read
Redis vs Memcached: Which In‑Memory Database Fits Your Backend?
ITFLY8 Architecture Home
ITFLY8 Architecture Home
Oct 3, 2020 · Databases

Why Is Redis Slowing Down? Common Causes and How to Diagnose Them

This article explains the typical reasons for Redis latency spikes—including complex commands, large keys, expiration bursts, memory limits, fork overhead, AOF settings, swap usage, and network saturation—and provides practical steps and commands to identify and mitigate each issue.

OperationsRedisdatabase
0 likes · 18 min read
Why Is Redis Slowing Down? Common Causes and How to Diagnose Them
Top Architect
Top Architect
Oct 2, 2020 · Databases

Redis Performance Degradation: Common Latency Issues, Diagnosis, and Optimization

This article explains why Redis can become slow, covering typical latency causes such as high‑complexity commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation, and provides practical troubleshooting steps and best‑practice recommendations.

MonitoringRedisTroubleshooting
0 likes · 24 min read
Redis Performance Degradation: Common Latency Issues, Diagnosis, and Optimization
Java Architect Essentials
Java Architect Essentials
Oct 2, 2020 · Backend Development

Handling Cache Penetration, Breakdown, and Avalanche in Backend Systems

This article explains the three major cache issues—penetration, breakdown, and avalanche—describes why they occur in high‑traffic systems, and presents four practical mitigation strategies including Bloom filters, short‑lived empty caches, distributed mutex locks with Redis or Memcache, and resource isolation with Hystrix.

BackendCache BreakdownCache Penetration
0 likes · 9 min read
Handling Cache Penetration, Breakdown, and Avalanche in Backend Systems
Architect's Tech Stack
Architect's Tech Stack
Sep 30, 2020 · Backend Development

Implementing API Idempotency with Redis Token Mechanism in Spring Boot

This article explains the concept of API idempotency, reviews common solutions, and provides a complete Spring Boot implementation using a Redis‑based token mechanism, custom @ApiIdempotent annotation, interceptor, and supporting services, along with testing and important concurrency considerations.

APIInterceptorRedis
0 likes · 14 min read
Implementing API Idempotency with Redis Token Mechanism in Spring Boot
Laravel Tech Community
Laravel Tech Community
Sep 27, 2020 · Databases

Using MySQL for Persistent Data and Redis for Read‑Only Data: Consistency Strategies and High‑Concurrency Solutions

The article explains how MySQL stores persistent data while Redis serves read‑only data, outlines read/write request handling, discusses consistency issues in low and high concurrency scenarios, and provides practical solutions such as cache invalidation, queue‑based updates, and deployment considerations.

CachingHigh ConcurrencyMySQL
0 likes · 6 min read
Using MySQL for Persistent Data and Redis for Read‑Only Data: Consistency Strategies and High‑Concurrency Solutions
Java Architecture Diary
Java Architecture Diary
Sep 27, 2020 · Backend Development

Boost Spring Boot Performance with Multi‑Level Caffeine‑Redis Cache

This article explains why a multi‑level cache combining JVM‑level Caffeine and distributed Redis is essential for modern Spring Boot applications, outlines design challenges, provides step‑by‑step integration instructions, and demonstrates performance gains with benchmark results and core implementation code.

RedisSpring Bootcache
0 likes · 6 min read
Boost Spring Boot Performance with Multi‑Level Caffeine‑Redis Cache
Programmer DD
Programmer DD
Sep 27, 2020 · Databases

How Redis Sentinel Guarantees Automatic Failover and High Availability

This article explains how Redis Sentinel provides automatic failover and high availability by using master‑slave replication, multiple Sentinel nodes, consensus‑based leader election, and client notification mechanisms to ensure continuous service despite node failures.

RedisReplicationSentinel
0 likes · 11 min read
How Redis Sentinel Guarantees Automatic Failover and High Availability
Java Backend Technology
Java Backend Technology
Sep 26, 2020 · Databases

Master Redis Bitmaps: SETBIT, GETBIT, BITCOUNT, BITOP Explained

This article introduces Redis's advanced bitmap capabilities, detailing the SETBIT, GETBIT, BITCOUNT, and BITOP commands, their syntax, underlying SDS data structure, performance characteristics, storage calculations, and practical use cases such as user sign‑in tracking and online status monitoring.

Redisbit operationsperformance
0 likes · 8 min read
Master Redis Bitmaps: SETBIT, GETBIT, BITCOUNT, BITOP Explained
macrozheng
macrozheng
Sep 24, 2020 · Databases

How Redis Persists Data: RDB vs AOF Explained Through a Story

The article narrates Redis’s journey to implement durable storage, contrasting RDB snapshotting and AOF logging, detailing configuration options, forked processes, and trade‑offs, while illustrating interactions with MySQL’s binlog to highlight persistence strategies and performance considerations.

AOFPersistenceRDB
0 likes · 9 min read
How Redis Persists Data: RDB vs AOF Explained Through a Story
vivo Internet Technology
vivo Internet Technology
Sep 23, 2020 · Databases

Redis Caching: Use Cases, Best Practices, Common Pitfalls, and Monitoring

The article explains how Redis caching boosts high‑concurrency applications by outlining common use cases such as counters, session storage, rate limiting, leaderboards and distributed locks, then details best‑practice guidelines, typical pitfalls like TTL overwrites and cache stampedes, and essential monitoring techniques for performance and reliability.

Redisdistributed lockperformance
0 likes · 13 min read
Redis Caching: Use Cases, Best Practices, Common Pitfalls, and Monitoring
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Sep 23, 2020 · Databases

Integrating Redis Cluster with SpringBoot: Configuration, Dependencies, and Utility Classes

This tutorial explains how to upgrade a SpringBoot application from a single‑node Redis setup to a Redis cluster by adjusting configuration parameters, adding the correct Maven dependencies, injecting a RedisTemplate with JedisConnectionFactory, and providing a reusable utility class for common Redis operations.

JavaRedisRedisCluster
0 likes · 12 min read
Integrating Redis Cluster with SpringBoot: Configuration, Dependencies, and Utility Classes
Laravel Tech Community
Laravel Tech Community
Sep 22, 2020 · Databases

Common Redis Latency Issues and How to Diagnose Them

This article explains why Redis latency can suddenly increase—covering high‑complexity commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation—and provides practical diagnostic steps and mitigation techniques.

OperationsOptimizationRedis
0 likes · 17 min read
Common Redis Latency Issues and How to Diagnose Them
Selected Java Interview Questions
Selected Java Interview Questions
Sep 22, 2020 · Backend Development

Understanding Distributed Locks: Redis vs Zookeeper Implementations

This article explains why native Java locks fail in multi‑node deployments, introduces the concept of a distributed lock, and compares two popular implementations—Redis (including RedLock and Redisson) and Zookeeper (with Curator)—detailing their mechanisms, code examples, advantages, drawbacks, and practical selection guidance.

RedisRedissonZooKeeper
0 likes · 18 min read
Understanding Distributed Locks: Redis vs Zookeeper Implementations
dbaplus Community
dbaplus Community
Sep 21, 2020 · Databases

Why Redis Gets Slow and How to Diagnose & Fix Common Latency Issues

This article explains why a Redis instance may experience sudden latency spikes, walks through diagnosing the problem with slow‑log and big‑key scans, and provides concrete configuration tweaks, command‑level best practices, and operational guidelines to keep Redis performing at peak speed.

Redisdatabaselatency
0 likes · 25 min read
Why Redis Gets Slow and How to Diagnose & Fix Common Latency Issues
Programmer DD
Programmer DD
Sep 20, 2020 · Operations

Why Is Your Redis Slowing Down? 7 Common Latency Culprits and How to Fix Them

This article examines typical Redis latency spikes—such as complex O(n) commands, large keys, concentrated expirations, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation—explaining how to detect, monitor, and mitigate each issue to maintain high‑performance operation.

AOFRedisbig keys
0 likes · 17 min read
Why Is Your Redis Slowing Down? 7 Common Latency Culprits and How to Fix Them
Java Backend Technology
Java Backend Technology
Sep 20, 2020 · Databases

Why Redis Gets Slow: Common Latency Causes and How to Fix Them

This article explains why a high‑performance Redis instance can suddenly experience high latency, covering complex commands, large keys, expiration bursts, memory limits, fork overhead, CPU binding, AOF settings, swap usage, and network saturation, and provides practical troubleshooting and mitigation steps.

OptimizationRedislatency
0 likes · 17 min read
Why Redis Gets Slow: Common Latency Causes and How to Fix Them
macrozheng
macrozheng
Sep 18, 2020 · Databases

How Redis Boosts MySQL Performance with Smart Caching and Eviction

This article explains how Redis, created to alleviate MySQL’s read‑heavy load, provides in‑memory caching, various data structures, expiration policies, eviction strategies, Bloom‑filter protection against cache penetration, and techniques to prevent cache breakdown and avalanche, improving overall system performance.

Bloom FilterRediseviction
0 likes · 10 min read
How Redis Boosts MySQL Performance with Smart Caching and Eviction
Code Ape Tech Column
Code Ape Tech Column
Sep 17, 2020 · Operations

How to Deploy a One‑Click Linux Dev Environment with MySQL, Nginx, Redis & More

This guide walks you through creating and using a one‑click installation package that sets up essential development services—MySQL, Nginx, JDK, Redis, RabbitMQ, and a SpringBoot jar—on Ubuntu 16.x, detailing directory structure, required prerequisites, individual start/stop scripts, and customization options for small‑scale deployments.

DevOpsLinuxMySQL
0 likes · 6 min read
How to Deploy a One‑Click Linux Dev Environment with MySQL, Nginx, Redis & More