I. Refer to official documentation II. What is a virtual thread? Objective : To support massive concurrent tasks (such as 1 million requests) with a small number of platform threads, thereby increasing throughput. type illustrate Platform Thread JVM threads are mapped to operating system threads (OS threads), which are costly to create (by default, several hundred … Read more
Introduction The Character class in Java is used to process single characters. It provides many static and instance methods to handle various character attributes, such as case conversion, comparison, and classification. Understanding the usage of the Character class is crucial when writing programs involving character processing. This article will provide a detailed analysis of the … Read more
I. Insufficient Memory: Redis’s “Capacity Ceiling” Problem Redis, as an in-memory database, stores all data in memory. Once memory is full, it either triggers data eviction leading to the loss of frequently accessed data, or directly causes an OutOfMemoryError (OOM) that crashes the service. I have seen incidents during major e-commerce promotions where the database … Read more
I. What is Git? 1.1 The Birth and Concept of Git Git is a distributed version control system (DVCS) developed by Linus Torvalds, the creator of Linux, in 2005, initially for managing the Linux kernel code. Unlike traditional centralized version control systems (such as SVN), Git uses a distributed architecture, where each developer has a … Read more