摘要：简要介绍二阶段提交协议的思想
Abstract:Main ideas of 2 phase commit.

摘要：Java类加载器
Abstract: An overview of Java ClassLoaders

摘要：vmstat用法
Abstract: usage of vmstat

摘要：Hbase in Action 读书笔记。

Abstract: HBase in Action notes.

摘要：正则表达式参考手册
Abstract: Regular Expression Reference