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YPYejun Parkyejunpark3.hashnode.devMay 12 · 10 min read

When Threads Collide: A Deep Dive into Classical Synchronization Problems and Concurrency Bugs

Concurrency is one of those topics that feels deceptively simple until it bites you at 3 AM. You've got multiple threads, they share some data, and suddenly your application freezes, produces garbage

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SShashaankarsystemsnsentience.hashnode.devFeb 25 · 6 min read

Concepts around Concurrency and Parallel Programming

Concurrency vs Parallelism Many engineers use these words interchangeably. They are not the same. Concurrency Concurrency is the ability to run multiple tasks at the same time i.e., load multiple task

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AGAnudeep Garnepudiadapttoaem.hashnode.devJan 31 · 5 min read

Thread Safety in AEM

Thread safety in AEM means ensuring that request-scoped objects (such as ResourceResolver, Session, and Resource) are never shared across threads. AEM handles many requests concurrently, and many core

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AGAnudeep Garnepudiadapttoaem.hashnode.devJan 31 · 4 min read

How to Use Non-Thread-Safe AEM Objects Safely

JCR and Sling objects are contextual views, not reusable services. They represent: A user A request A moment in time So the rule is simple: Acquire late → Use briefly → Release early 1. Resou

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NHNguyễn Hữu Văn (Marc)blog.huuvan.devSep 1, 2025 · 7 min read

Tối Ưu Cache: Từ 7 Request Đồng Thời Xuống Chỉ 1 Request Với Single Flight Pattern

TL;DR: Từ việc gặp phải hiệu ứng thundering herd trong production, mình đã áp dụng Single Flight pattern với cơ chế lock để đạt được perfect deduplication - từ 7 request đồng thời xuống chỉ 1 request thực sự được gửi đi. Trong quá trình phát triển ứn...

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PpikoTutorialpikotutorial.hashnode.devJul 30, 2025 · 5 min read

Destruction order vs thread safety in C++

Welcome to the next pikoTutorial! What's the problem? Let's take a look at the simple example below: #include <iostream> #include <future> #include <thread> #include <memory> // define a class spinning up a thread class SomeClass { public: SomeCl...

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RRRohith Reddy Seelamlearnwithanalogy.hashnode.devMar 22, 2025 · 4 min read

Multi-threading and Thread Synchronization

When you use a computer, you interact with various applications—opening files, browsing the internet, and playing games. But have you ever wondered what ensures everything runs smoothly behind the scenes? That’s where the Operating System (OS) comes ...

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SYSHUBHAM YEOLEshubhamyeole.hashnode.devFeb 17, 2025 · 3 min read

Understanding StringBuffer, StringBuilder, and String Classes in Java

Introduction Strings are one of the most commonly used data types in Java. Java provides three different classes for handling strings efficiently: String, StringBuffer, and StringBuilder. Understanding their differences and when to use each one is cr...

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#threadsafety

Explore Hashnode

When Threads Collide: A Deep Dive into Classical Synchronization Problems and Concurrency Bugs

Concepts around Concurrency and Parallel Programming

Thread Safety in AEM

How to Use Non-Thread-Safe AEM Objects Safely

Tối Ưu Cache: Từ 7 Request Đồng Thời Xuống Chỉ 1 Request Với Single Flight Pattern

Destruction order vs thread safety in C++

Multi-threading and Thread Synchronization

Understanding StringBuffer, StringBuilder, and String Classes in Java

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