Load-aware IO performance optimization methods based on Bayesian decision

An optimization method and load-aware technology, which is applied in the field of computer system performance optimization and data storage subsystem performance optimization, and can solve problems such as staying and rising related set correlations

Active Publication Date: 2007-08-01
EASYWAY
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Problems solved by technology

In other words, these IO performance optimization methods only stay on the correlation between data blocks, but do not rise to the correlation between related sets

Method used

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  • Load-aware IO performance optimization methods based on Bayesian decision
  • Load-aware IO performance optimization methods based on Bayesian decision
  • Load-aware IO performance optimization methods based on Bayesian decision

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Embodiment Construction

[0047] A kind of adaptive external storage device IO performance optimization method proposed by the present invention is a kind of IO performance optimization method implemented inside the external storage device driver for the purpose of reducing the average response time of the IO request of the computer system application program, in other words In other words, the method of the present invention is implemented by inserting the implementation steps of the method at a suitable position inside the original external storage device driver, without changing any original part. A specific embodiment of the method of the present invention will be described below.

[0048] Fig. 6 is a schematic diagram of the computer system of the embodiment. As shown in Figure 6, the entire computer system is divided into three layers, the top layer is the application program layer, including an oracle 9i database management system and a tomcat5.0 Web server; the middle layer is the operating sys...

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Abstract

This invention provides one load sense IO property optimization based on Bayer method, which comprises the following steps: using Bayes theory to dig out IO visit flow frequency correlation; then using this guide data to read and take place to realize IO property optimization. This invention can sense IO load property to suit IO property strategy for common optimization method.

Description

technical field [0001] The invention belongs to the field of performance optimization of computer systems, in particular to the field of performance optimization of data storage subsystems, in particular to a load-aware IO performance optimization method based on Bayesian decision-making. Background technique [0002] With the rapid development of computer science and technology, computer systems have been widely used in various fields of social production and social life. The application of computer systems has played an irreplaceable role in the improvement of social productivity and people's quality of life. effect. Typical computer systems that are closely related to people's production and life include database systems, file server systems, and web server systems. The level of service quality of these computer systems is directly related to their performance level, high-performance computer systems will bring high-quality services, and vice versa. Therefore, in order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/50G06F12/08G06F12/0862G06F12/12
Inventor 严琪李越李益民李超胡庆成张小虎邢春晓
Owner EASYWAY
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