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Hard-disk IO request delay time simulation and judgment method and system based on Linux platform

An IO request and hard disk technology, applied in the server field, can solve problems such as low efficiency and consuming response time

Inactive Publication Date: 2018-11-06
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, in addition to this high concurrency requirement, there is another situation where I / O requests are random and the I / O requests are relatively small. Energy-saving state, switching between active state and idle state, each state switching will consume a certain amount of response time inside the hard disk, the efficiency of this kind of hard disk internal processing of its own state transition can reflect the processing capacity of random I / O of the hard disk

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  • Hard-disk IO request delay time simulation and judgment method and system based on Linux platform
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  • Hard-disk IO request delay time simulation and judgment method and system based on Linux platform

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Embodiment Construction

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

[0028] The present invention is based on a Linux platform-based hard disk IO request delay simulation judgment method and system. Based on the Linux platform, a series of I / O tests are performed on the hard disk through powerMode disable and enable of the hard disk tool, and the svctm of the hard disk is found from the data. Response time is used to judge the delayed response capability of the hard disk.

[0029] Based on the above, on the one hand, the embodiment of the present invention provides a method for simulating a...

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Abstract

The invention provides a hard-disk IO request delay time simulation and judgment method and system based on a Linux platform. A hard-disk energy saving mode is started; random tests of random I / O request sizes and hard-disk sector sizes are simulated, test hard-disk I / O requests are randomly assigned to different hard disks; I / O random-reading manner traversal is carried out; and delay time floating ranges of the hard disks are obtained through monitoring average waiting time of each I / O request and a service time difference value of each I / O request. According to the method and system, FIO stress tests are carried out according to the characteristics of the hard disks in powerMode disable and enable, delay time response capability of the hard disks is judged, risks are effectively submitted and identified, and client problem occurring is reduced.

Description

technical field [0001] The invention relates to the technical field of servers, in particular to a method and system for simulating and judging the IO request delay of a hard disk based on a Linux platform. Background technique [0002] In the application of hard disk technology in the server field, the ability to process high-load I / O requests is getting stronger and stronger, and it can stably and efficiently handle high-concurrency data I / O requests. However, in practical applications, in addition to this high concurrency requirement, there is another situation where I / O requests are random and the I / O requests are relatively small. Energy-saving state, active state and idle state transition, each state transition will consume a certain amount of response time inside the hard disk, the efficiency of the internal processing of this hard disk state transition can reflect the random I / O processing capacity of the hard disk. [0003] In hard disk performance and stress testi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/22G06F11/26
CPCG06F11/2221G06F11/261
Inventor 刘智刚
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD