IO-Lite: A unified I/O buffering and caching system

被引：0
|
作者：
Pai, VS [1 ]
Druschel, P [1 ]
Zwaenepoel, W [1 ]
机构：
[1] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77251 USA
来源：
USENIX ASSOCIATION PROCEEDINGS OF THE THIRD SYMPOSIUM ON OPERATING SYSTEMS DESIGN AND IMPLEMENTATION (OSDI '99) | 1999年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the design, implementation, and evaluation of IO-Lite, a unified I/O buffering and caching system for general-purpose operating systems. IO-Lite unifies all buffering and caching in the system, to the extent permitted by the hardware. In particular, it allows applications, interprocess communication, the filesystem, the file cache, and the network subsystem to share a single physical copy of the data safely and concurrently. Protection and security are maintained through a combination of access control and read-only sharing. IO-Lite eliminates all copying and multiple buffering of I/O data, and enables various cross-subsystem optimizations. Experiments with a Web server on IO-Lite show performance improvements between 40 and 80% on real workloads.
引用
收藏
页码：15 / 28
页数：14
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