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<!DOCTYPE HTML>
<html lang="zh-CN">
<head><meta name="generator" content="Hexo 3.9.0">
<meta charset="utf-8">
<meta name="keywords" content="caison博客">
<meta name="description" content="caison博客">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<meta name="renderer" content="webkit|ie-stand|ie-comp">
<meta name="mobile-web-app-capable" content="yes">
<meta name="format-detection" content="telephone=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<title>caison博客</title>
<link rel="icon" type="image/x-icon, image/vnd.microsoft.icon" href="/favicon.ico">
<link rel="stylesheet" type="text/css" href="/libs/awesome/css/all.css">
<link rel="stylesheet" type="text/css" href="/libs/materialize/materialize.min.css">
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<link rel="stylesheet" type="text/css" href="/libs/animate/animate.min.css">
<link rel="stylesheet" type="text/css" href="/libs/lightGallery/css/lightgallery.min.css">
<link rel="stylesheet" type="text/css" href="/css/matery.css">
<link rel="stylesheet" type="text/css" href="/css/my.css">
<style type="text/css">
code[class*="language-"], pre[class*="language-"] {
white-space: pre !important;
}
</style>
<script src="/libs/jquery/jquery-2.2.0.min.js"></script>
<link rel="stylesheet" href="/css/prism-tomorrow.css" type="text/css">
<link rel="stylesheet" href="/css/prism-line-numbers.css" type="text/css"></head>
<body>
<header class="navbar-fixed">
<nav id="headNav" class="bg-color nav-transparent">
<div id="navContainer" class="nav-wrapper head-container">
<div class="brand-logo">
<a href="/" class="waves-effect waves-light">
<img src="/medias/logo.png" class="logo-img" alt="LOGO">
<span class="logo-span">caison博客</span>
</a>
</div>
<a href="#" data-target="mobile-nav" class="sidenav-trigger button-collapse"><i class="fas fa-bars"></i></a>
<ul class="right nav-menu">
<li class="hide-on-med-and-down nav-item">
<a href="/" class="waves-effect waves-light">
<i class="fas fa-home" style="zoom: 0.6;"></i>
<span>首页</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/categories" class="waves-effect waves-light">
<i class="fas fa-bookmark" style="zoom: 0.6;"></i>
<span>分类</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/archives" class="waves-effect waves-light">
<i class="fas fa-archive" style="zoom: 0.6;"></i>
<span>归档</span>
</a>
</li>
<li class="hide-on-med-and-down nav-item">
<a href="/about" class="waves-effect waves-light">
<i class="fas fa-user-circle" style="zoom: 0.6;"></i>
<span>关于</span>
</a>
</li>
<li>
<a href="#searchModal" class="modal-trigger waves-effect waves-light">
<i id="searchIcon" class="fas fa-search" title="搜索" style="zoom: 0.85;"></i>
</a>
</li>
</ul>
<div id="mobile-nav" class="side-nav sidenav">
<div class="mobile-head bg-color">
<img src="/medias/logo.png" class="logo-img circle responsive-img">
<div class="logo-name">caison博客</div>
<div class="logo-desc">
Never really desperate, only the lost of the soul.
</div>
</div>
<ul class="menu-list mobile-menu-list">
<li class="m-nav-item">
<a href="/" class="waves-effect waves-light">
<i class="fa-fw fas fa-home"></i>
首页
</a>
</li>
<li class="m-nav-item">
<a href="/categories" class="waves-effect waves-light">
<i class="fa-fw fas fa-bookmark"></i>
分类
</a>
</li>
<li class="m-nav-item">
<a href="/archives" class="waves-effect waves-light">
<i class="fa-fw fas fa-archive"></i>
归档
</a>
</li>
<li class="m-nav-item">
<a href="/about" class="waves-effect waves-light">
<i class="fa-fw fas fa-user-circle"></i>
关于
</a>
</li>
<li><div class="divider"></div></li>
<li>
<a href="https://github.com/caison/" class="waves-effect waves-light" target="_blank">
<i class="fab fa-github-square fa-fw"></i>Fork Me
</a>
</li>
</ul>
</div>
</div>
<style>
.nav-transparent .github-corner {
display: none !important;
}
.github-corner {
position: absolute;
z-index: 10;
top: 0;
right: 0;
border: 0;
transform: scale(1.1);
}
.github-corner svg {
color: #0f9d58;
fill: #fff;
height: 64px;
width: 64px;
}
.github-corner:hover .octo-arm {
animation: a 0.56s ease-in-out;
}
.github-corner .octo-arm {
animation: none;
}
@keyframes a {
0%,
to {
transform: rotate(0);
}
20%,
60% {
transform: rotate(-25deg);
}
40%,
80% {
transform: rotate(10deg);
}
}
</style>
<a href="https://github.com/caison/" class="github-corner tooltipped hide-on-med-and-down" target="_blank"
data-tooltip="Fork Me" data-position="left" data-delay="50">
<svg viewBox="0 0 250 250" aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
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fill="currentColor" class="octo-body"></path>
</svg>
</a>
</nav>
</header>
<style>
.carousel-control {
width: 45px;
height: 45px;
line-height: 55px;
border-radius: 45px;
background: transparent;
cursor: pointer;
z-index: 100;
}
#prev-cover {
position: absolute;
top: 48%;
left: 8px;
}
#next-cover {
position: absolute;
top: 48%;
right: 8px;;
}
#prev-cover i {
margin-right: 3px;
}
#next-cover i {
margin-left: 3px;
}
.carousel-control:hover {
background-color:rgba(0, 0, 0, .4);
}
.carousel-control i {
color: #fff;
font-size: 2.4rem;
}
html, body {
height:100%;
}
#page {
height:100%;
min-height: 100%;
width:100%;
}
</style>
<div id="page" class="carousel carousel-slider center index-cover" data-indicators="true" style="margin-top: -64px;">
<div class="carousel-item red white-text bg-cover about-cover">
<div class="container" style="right: 0px;left: 0px;">
<div class="row">
<div class="col s10 offset-s1 m8 offset-m2 l8 offset-l2">
<div class="brand">
<div class="title center-align">
caison个人博客
</div>
<div class="description center-align">
<span id="typed"></span>
<script src="https://cdn.jsdelivr.net/npm/typed.js@2.0.9"></script>
<script>
var typed = new Typed("#typed", {
strings: ['从来没有真正的绝境, 只有心灵的迷途', 'Never really desperate, only the lost of the soul'],
startDelay: 300,
typeSpeed: 100,
loop: true,
backSpeed: 50,
showCursor: true
});
</script>
</div>
</div>
</div>
</div>
<script>
// 每天切换 banner 图. Switch banner image every day.
$('.bg-cover').css('background-image', 'url(/medias/banner/' + new Date().getDay() + '.jpg)');
</script>
<div class="cover-btns">
<a href="#indexCard" class="waves-effect waves-light btn">
<i class="fas fa-angle-double-down"></i>开始阅读
</a>
<a href="https://github.com/caison" class="waves-effect waves-light btn" target="_blank">
<i class="fab fa-github-alt"></i>Github
</a>
</div>
<div class="cover-social-link">
<a href="https://github.com/caison" class="tooltipped" target="_blank" data-tooltip="访问我的GitHub" data-position="top" data-delay="50">
<i class="fab fa-github"></i>
</a>
<a href="mailto:caison@aliyun.com" class="tooltipped" target="_blank" data-tooltip="邮件联系我" data-position="top" data-delay="50">
<i class="fas fa-envelope-open"></i>
</a>
</div>
</div>
</div>
</div>
<script>
$(function () {
let coverSlider = $('.carousel');
coverSlider.carousel({
duration: Number('120'),
fullWidth: true,
indicators: 'true' === 'true'
});
let carouselIntervalId;
// Loop to call the next cover article picture.
let autoCarousel = function() {
carouselIntervalId = setInterval(function () {
coverSlider.carousel('next');
}, 5000);
};
autoCarousel();
let restartPlay = function () {
clearInterval(carouselIntervalId);
autoCarousel();
};
// prev and next cover post.
$('#prev-cover').click(function () {
coverSlider.carousel('prev');
restartPlay();
});
$('#next-cover').click(function () {
coverSlider.carousel('next');
restartPlay();
});
});
</script>
<main class="content">
<div id="indexCard" class="index-card">
<div class="container ">
<div class="card">
<div class="card-content">
<div id="recommend-sections" class="recommend">
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最近重新学习一遍《深入学习Java虚拟机》，把之前Java内存模型中模糊的知识重新梳理一遍，这篇文章主要介绍模型产生的问题背景，解决的问题，处理思路，相关实现规则，环环</p>
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本文基于Netty4.1展开介绍相关理论模型，使用场景，基本组件、整体架构，知其然且知其所以然，希望给读者提供学习实践参考。
1 Nett</p>
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本文主要介绍什么是推荐系统，为什么需要推荐系统，如何实现推荐系统的方案，包括实现推荐系统的一些常见模型，希望给读者提供学习实践参考。
1 </p>
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这篇文章将介绍什么是分布式事务，分布式事务解决什么问题，对分布式事务实现的难点，解决思路，不同场景下方案的选择，通过图解的方式进行梳理、总结和比较。
相信耐心看完这篇文</p>
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Sentinel 承接了阿里巴巴近 10 年的双十一大促流量的核心场景
本文介绍阿里开源限流熔断方案Sentinel功能、原理、架构、快速入门以及相关框架比较
基本介绍1 名词解释
服务限流 ：当系统资源不够，不足以应对大量请求，对系统按照
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Redis作为一款性能优异的内存数据库，支撑着微博亿级社交平台，也成为很多互联网公司的标配。这里将以Redis Cluster集群为核心，基于最新的Redis5版本，从原理再到实战，玩转Redis集群
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jdk的JUC包(java.util.concurrent)提供大量Java并发工具提供使用，基本由Doug Lea编写，很多地方值得学习和借鉴，是进阶升级必经之路
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最近重新学习一遍《深入学习Java虚拟机》，把之前Java内存模型中模糊的知识重新梳理一遍，这篇文章主要介绍模型产生的问题背景，解决的问题，处理思路，相关实现规则，环环相扣，希望读者看完这篇文章后能对Java内存模型体系产生一个相对清晰的
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概述本文介绍GC基础原理和理论，GC调优方法思路和方法，基于Hotspot jdk1.8，学习之后将了解如何对生产系统出现的GC问题进行排查解决
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GC基础原理，涉及调优目标，GC事件分类、JVM内存分
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随着互联网的发展，面对海量用户高并发业务，传统的阻塞式的服务端架构模式已经无能为力，由此，本文旨在为大家提供有用的概览以及网络服务模型的比较，以揭开设计和实现高性能网络架构的神秘面纱
1 服务端处理网络请求首先看看服务端处理网络请求的典型
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本文基于Netty4.1展开介绍相关理论模型，使用场景，基本组件、整体架构，知其然且知其所以然，希望给读者提供学习实践参考。
1 Netty简介Netty是 一个异步事件驱动的网络应用程序框架，用于快速开发可维护的高性能协议服务器和客户端
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作者 陈彩华
文章转载交流请联系 caison@aliyun.com本文通过探析Java中的引用模型，分析比较强引用、软引用、弱引用、虚引用的概念及使用场景，知其然且知其所以然，希望给大家在实际开发实践、学习开源项目提供参考。
1 Jav
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本文通过探析JDK提供的，在开源项目中比较常用的Java SPI机制，希望给大家在实际开发实践、学习开源项目提供参考。
1 SPI是什么SPI全称Service Provider Interface，是Java提供的一套用来被第三方实现或
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1 简介Arthas 是Alibaba开源的Java诊断工具，深受开发者喜爱
当你遇到以下类似问题而束手无策时，Arthas可以帮助你解决：
这个类从哪个 jar 包加载的？为什么会报各种类相关的 Exception？
我改的代码为什