Understanding JRockit VM：Adaptive Memory Management

This post is talking about automatic and adaptive memory management in the Java runtime. It mainly includes the following content: concepts

JVM Run-Time Data Areas

The Java Virtual Machine defines various run-time data areas that are used during execution of a program. Some of these data areas are creat

我在2019年的7月和8月之间大概花了两个多星期写了一个比较简单的爬虫项目，项目主要的功能是周期性的爬取一些网站的热点信息，然后把数据存在 Redis 缓存中，然后有一个可以切换不同网站和展示信息的页面。为什么会写这个项目呢？写这个项目的原因是在 V2EX 网站上看到很多人在分

What is ProxyThe Proxy is a design pattern in software design. It provides a surrogate or placeholder for another object to control access t

The EXPLAIN command is the main way to find out how the query optimizer decides to execute queries. This feature has limitations and doesn’t

Principles of MySQL OptimizationUsing general principles and best practices to create your table schema. Understanding the structure and pro

This post is talking about MySQL query optimization, if you are familiar with this topic, you can go to the conclusion part that’s a good su

This post is talking about MySQL index, if you are familiar with this topic, you can go to the conclusion part that’s a good summary of the

This post is talking about MySQL schema optimization, if you are familiar with this topic, you can go to the conclusion part that’s a good s

IntroductionComputer users want to do more than one thing at a time. A single application does more than one things at a time called concurr