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ITPUB
ITPUB
Feb 11, 2026 · Backend Development

How to Guarantee Zero Message Loss in MQ Systems: A Full‑Lifecycle Design

This guide explains why guaranteeing 100% message reliability in MQ is a critical system‑design interview topic and presents a three‑layer architecture—production, storage, and consumption—detailing ACK settings, local message tables, broker replication, leader election safeguards, manual offset commits, and idempotent processing to prevent any message loss.

AcknowledgmentDistributed SystemsIdempotency
0 likes · 11 min read
How to Guarantee Zero Message Loss in MQ Systems: A Full‑Lifecycle Design
IT Services Circle
IT Services Circle
Dec 14, 2025 · Backend Development

What Lenovo Backend Interview Reveals: Salary Insights, Deadlock Basics, DNS, TLS Handshake, and Java ArrayList Deep Dive

This article shares Lenovo's 2026 graduate hiring salary breakdown, explains deadlock conditions and prevention, outlines DNS resolution steps, details the TLS handshake process, and provides an in‑depth guide to Java's ArrayList implementation, performance, and thread‑safety concerns.

ArrayListDNSJava
0 likes · 18 min read
What Lenovo Backend Interview Reveals: Salary Insights, Deadlock Basics, DNS, TLS Handshake, and Java ArrayList Deep Dive
IT Services Circle
IT Services Circle
Oct 11, 2025 · Databases

Crack Backend Interviews: Redis, MySQL Locks, MQs & XiaoHongShu Salary Secrets

The article combines a surprising look at XiaoHongShu's record‑breaking graduate salaries with a comprehensive backend interview guide covering Redis advantages and drawbacks, common data structures, persistence and high‑availability, MySQL lock types, optimistic vs. pessimistic locking, message‑queue fundamentals, RabbitMQ vs. Kafka differences, deadlock avoidance, and a sample algorithm question.

Database LocksSalary Insightsbackend interview
0 likes · 19 min read
Crack Backend Interviews: Redis, MySQL Locks, MQs & XiaoHongShu Salary Secrets
Su San Talks Tech
Su San Talks Tech
Sep 22, 2025 · Backend Development

Mastering Pagination in Billion‑Row Sharded Databases: Interview‑Ready Strategies

This article dissects the challenges of implementing pagination on billion‑row sharded tables, explains common sharding strategies, compares SDK, Proxy, and Sidecar architectures, and presents practical solutions such as global query, infinite scroll, two‑phase queries, index tables, and external storage to help engineers ace interview questions.

Performance Optimizationbackend interviewdistributed databases
0 likes · 24 min read
Mastering Pagination in Billion‑Row Sharded Databases: Interview‑Ready Strategies
IT Services Circle
IT Services Circle
Sep 17, 2025 · Backend Development

Ace ByteDance Java Interview: Concurrency, Thread Pools, Redis & MySQL Deep Dive

This article walks through essential ByteDance Java interview topics, covering thread safety fundamentals, thread‑pool configuration, Redis performance tricks, Zset and skip‑list internals, memory‑policy handling, cache‑consistency patterns, and MySQL transaction ACID properties, providing code examples and best‑practice recommendations.

Cache ConsistencyJava concurrencyMySQL transaction
0 likes · 25 min read
Ace ByteDance Java Interview: Concurrency, Thread Pools, Redis & MySQL Deep Dive
Java Tech Enthusiast
Java Tech Enthusiast
Jun 24, 2025 · Backend Development

Ace Your Java Backend Interview: From Self‑Intro to Redis Strategies and Design Patterns

This guide walks you through the realities of joining state‑owned enterprises, offers practical tips for Java backend interview preparation—including self‑introduction, project presentation, database choices, Redis eviction policies, common design patterns, singleton usage, thread‑safety concepts, and commands to terminate Java processes on Linux, macOS, and Windows.

Design PatternsJavabackend interview
0 likes · 16 min read
Ace Your Java Backend Interview: From Self‑Intro to Redis Strategies and Design Patterns
IT Services Circle
IT Services Circle
Jun 10, 2025 · Backend Development

Master TP-Link Backend Interview: JVM, GC, Synchronization, and Redis Cache Strategies

The article shares a personal experience of TP-Link's early campus recruitment and salary expectations, then provides a comprehensive Java backend interview guide covering class‑loader delegation, JVM memory layout, garbage‑collector types, synchronized lock mechanics, and common Redis cache pitfalls with practical solutions.

Garbage CollectionJVMJava
0 likes · 18 min read
Master TP-Link Backend Interview: JVM, GC, Synchronization, and Redis Cache Strategies
IT Services Circle
IT Services Circle
Sep 13, 2024 · Backend Development

Comprehensive Java Backend Interview Guide: Collections, JVM, OS, Networking, MySQL, Redis, and Algorithms

This article provides a thorough Java backend interview preparation guide covering collection frameworks, JVM architecture and garbage‑collection, operating‑system thread vs process concepts, TCP handshake and termination, MySQL transaction ACID properties and concurrency anomalies, Redis cache consistency strategies, and a sample algorithm problem.

JVMJavabackend interview
0 likes · 18 min read
Comprehensive Java Backend Interview Guide: Collections, JVM, OS, Networking, MySQL, Redis, and Algorithms
IT Services Circle
IT Services Circle
Jul 19, 2024 · Backend Development

Comprehensive Backend Interview Guide: MySQL Indexes, Redis Architecture, Java SpringBoot Auto‑Configuration, and JVM Memory Management

This article provides an in-depth overview of common backend interview topics, covering MySQL index structures and storage engines, Redis single‑threaded design and persistence mechanisms, Java transaction ACID properties, SpringBoot auto‑configuration principles, JVM memory regions, class loading, and garbage‑collection algorithms, all illustrated with code examples.

JVMJavaSpringBoot
0 likes · 40 min read
Comprehensive Backend Interview Guide: MySQL Indexes, Redis Architecture, Java SpringBoot Auto‑Configuration, and JVM Memory Management
IT Services Circle
IT Services Circle
Jun 22, 2024 · Backend Development

Comprehensive Guide to Java Backend Interview Topics: Object Creation, Reflection, Serialization, GC, I/O Multiplexing, and Network Troubleshooting

This article provides an in-depth review of common Java backend interview questions, covering alternative object creation methods, practical reflection scenarios, serialization techniques, garbage‑collection algorithms, I/O multiplexing mechanisms, network port listening, and troubleshooting tips for server‑client communication issues.

Garbage CollectionI/O MultiplexingJava
0 likes · 24 min read
Comprehensive Guide to Java Backend Interview Topics: Object Creation, Reflection, Serialization, GC, I/O Multiplexing, and Network Troubleshooting
IT Services Circle
IT Services Circle
Oct 15, 2023 · Backend Development

Comprehensive Tencent Backend Development Interview Review: Java, OS, Networking, Algorithms, Databases and System Design

This article provides a detailed walkthrough of a Tencent backend interview covering Java thread models, HashMap internals, garbage collection, operating‑system concepts, process scheduling, IPC mechanisms, I/O multiplexing, virtual memory, networking protocols, Redis data types, MySQL B+‑tree characteristics, and a classic logic puzzle, offering both theory and practical insights.

JavaNetworkingOperating System
0 likes · 38 min read
Comprehensive Tencent Backend Development Interview Review: Java, OS, Networking, Algorithms, Databases and System Design
IT Services Circle
IT Services Circle
Aug 5, 2023 · Backend Development

Comprehensive Backend Interview Guide: Redis, MySQL, Operating System, Network, and Java Fundamentals

This article provides a detailed backend interview cheat‑sheet covering Redis data structures and performance issues, MySQL indexing and transaction principles, operating‑system process and thread concepts, TCP/UDP networking differences, and common Java garbage‑collection algorithms, all illustrated with examples and code snippets.

JavaNetworkingOperating System
0 likes · 20 min read
Comprehensive Backend Interview Guide: Redis, MySQL, Operating System, Network, and Java Fundamentals
Architect
Architect
Sep 15, 2021 · Backend Development

C++/Go Backend Interview Experiences and Preparation Tips

This article shares a 985 graduate's personal background, systematic interview preparation for C++ and Go backend positions, detailed interview question collections from major tech companies, and practical advice on study resources, project presentation, and coding practice to help candidates succeed in technical interviews.

CGoInterview Preparation
0 likes · 14 min read
C++/Go Backend Interview Experiences and Preparation Tips
Programmer DD
Programmer DD
May 4, 2020 · Backend Development

From Zero to Offers: My Java Backend Interview Journey & Lessons

The article chronicles a software engineer's extensive interview experiences across major tech companies, detailing preparation resources, self‑introduction, technical questions on Java fundamentals, concurrency, JVM, databases, design patterns, and HR discussions, while offering practical advice for future candidates.

Javabackend interviewcareer advice
0 likes · 14 min read
From Zero to Offers: My Java Backend Interview Journey & Lessons
21CTO
21CTO
Jun 14, 2019 · Backend Development

Ace Java Backend Interviews: Proven Prep Strategies & Must‑Know Topics

This guide outlines practical interview preparation techniques for Java backend roles, covering essential frameworks, distributed systems, database optimization, core Java concepts, Linux troubleshooting, and how to showcase real project experience to stand out from other candidates.

JavaLinuxSQL Optimization
0 likes · 14 min read
Ace Java Backend Interviews: Proven Prep Strategies & Must‑Know Topics
MaGe Linux Operations
MaGe Linux Operations
Aug 19, 2018 · Backend Development

Essential Python Backend Interview Questions and How to Ace Them

The author shares personal interview experiences and a comprehensive list of Python backend interview questions covering syntax, algorithms, networking, databases, Linux, and Django, while emphasizing daily coding practice and GitHub activity as key to impressing interviewers.

AlgorithmsDjangoLinux
0 likes · 9 min read
Essential Python Backend Interview Questions and How to Ace Them