一种支持事务内I/O操作的事务存储系统结构

被引：3

作者：

刘轶 ^{[1
]}

李明修 ^{[2
]}

张昕 ^{[2
]}

李鹤 ^{[2
]}

焦林 ^{[2
]}

钱德沛 ^{[1
]}

机构：

[1] 北京航空航天大学计算机学院

[2] 西安交通大学计算机系

来源：

电子学报 | 2009年 / 37卷 / 02期

关键词：

事务存储; 多核处理器; 编程模型; I/O操作;

D O I：

暂无

中图分类号：

TP333 [存贮器];

学科分类号：

081201 ;

摘要：

本文提出了一种支持事务内I/O操作的硬件事务存储系统结构.该系统基于多核处理器结构和已有的cache一致性机制,通过增加事务缓冲区和相关硬软件,实现对事务的支持.事务内I/O操作的实现基于事务提交锁的部分提交以及事务线程的阻塞/唤醒机制,解决了事务内I/O操作所面临的回滚、事务迁移和缓冲区溢出等问题.系统在模拟器中实现,并利用5个测试程序对系统的性能进行了评价分析,结果表明事务程序在系统中的性能相对于锁程序得到提升.

引用

页码：248 / 252

页数：5

共 11 条

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