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Method and device for controlling I/O

A technology for adjusting strategies and running time, applied in the computer field, can solve problems such as occupying system resources and affecting the normal operation of other programs, and achieve the effect of maintaining high concurrency

Active Publication Date: 2022-04-15
GUANGDONG INSPUR BIG DATA RES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a method for regulating I / O to solve the problem that the I / O load of some programs in the system occupies system resources for a long time and affects the normal operation of other programs

Method used

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  • Method and device for controlling I/O
  • Method and device for controlling I/O
  • Method and device for controlling I/O

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Embodiment Construction

[0083] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0084] In this application, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes none. other elements specifically listed, or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "com...

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Abstract

The present invention provides a method for regulating I / O, comprising: within a preset regulation cycle, obtaining a preset I / O queue in the system, and determining that I / O requests in the I / O queue can be connected the first value; when there is no connected I / O request in the I / O queue, create a connection for the I / O request based on the first value and the first connection priority of the I / O request in the I / O queue ; When there is a connected I / O request in the I / O queue, adjust the sorting priority of the connected I / O request, and determine the second connection priority of the unconnected I / O request in the I / O queue level; the first value is compared with the second value of the connected I / O request in the I / O queue, and the corresponding connection strategy is executed on the I / O request according to the comparison result, so as to realize the I / O queue in the I / O queue. / O connection status control, to avoid connections in the I / O queue occupying too many system resources.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a method and device for regulating and controlling I / O. Background technique [0002] With the development of science and technology, people are increasingly attached to computers for complex operations. In order to meet the needs of people, there are usually many processes in the computer operating system. In the current computer operating system, it is usually highly concurrency, that is, it is designed to ensure that the system can process many requests in parallel at the same time. [0003] In the current computer operating system, if the preemptive process and thread scheduling mode is adopted, in the case of high concurrency and high load, the operating system will tend to use more hardware resources to support the operation of the process. Hardware resources such as the central processing unit, graphics processing unit, memory, and input / output (I / O) bus will not run u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/50
CPCG06F9/5005
Inventor 杨智广
Owner GUANGDONG INSPUR BIG DATA RES CO LTD