<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[noralthank的博客]]></title><description><![CDATA[有点意思]]></description><link>https://blog.youkuaiyun.com/noralthank</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; noralthank]]></copyright><item><title><![CDATA[mysql的锁分析]]></title><link>https://blog.youkuaiyun.com/noralthank/article/details/88664168</link><guid>https://blog.youkuaiyun.com/noralthank/article/details/88664168</guid><author>noralthank</author><pubDate>Tue, 19 Mar 2019 15:47:41 +0800</pubDate><description><![CDATA[1、MVCC：Snapshot Read vs Current Read
MySQL InnoDB存储引擎，实现的是基于多版本的并发控制协议——MVCC (Multi-Version Concurrency Control)
(注：与MVCC相对的，是基于锁的并发控制，Lock-Based Concurrency Control)。MVCC读不加锁，读写不冲突。
在读多写少的OLTP应用中，读写不...]]></description><category></category></item><item><title><![CDATA[jvm相关:synchronized实现与扩展]]></title><link>https://blog.youkuaiyun.com/noralthank/article/details/84852966</link><guid>https://blog.youkuaiyun.com/noralthank/article/details/84852966</guid><author>noralthank</author><pubDate>Thu, 06 Dec 2018 16:10:06 +0800</pubDate><description><![CDATA[定义

Synchronization

Synchronization in the Java Virtual Machine is implemented by monitor entry and exit, either explicitly (by use of the monitorenter and monitorexit instructions) or implicitly (by...]]></description><category></category></item><item><title><![CDATA[Spring Boot多数据源配置实现读写分离]]></title><link>https://blog.youkuaiyun.com/noralthank/article/details/84633102</link><guid>https://blog.youkuaiyun.com/noralthank/article/details/84633102</guid><author>noralthank</author><pubDate>Fri, 30 Nov 2018 18:22:44 +0800</pubDate><description><![CDATA[环境概览

Spring Boot 2.1.0.RELEASE
	AspectJ Weaver 1.9.2
	Mysql 5.6.28 
前言介绍

    在日常的项目开发中，存在某些sql查询效率低，或因为并发瓶颈受限于数据库。所以我们需要实现读写分析，对于慢sql，或者大并发的sql查询语句，实现读写分离，负载均衡。在技术上，目前有很多JAVA中间件可以实现读写分离，例如当当的Shardin...]]></description><category></category></item></channel></rss>