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A kind of qos control method and device

A queue and lower limit technology, applied in the field of QoS control, can solve the problems of unstable IOPS value and affecting QoS system performance.

Active Publication Date: 2018-10-19
CHENGDU HUAWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for QoS control, which can solve the problem that each application determines the order of I / O delivery through application priority, which may easily lead to unstable IOPS values ​​of the entire system and affect the overall QoS performance of the system.

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  • A kind of qos control method and device
  • A kind of qos control method and device
  • A kind of qos control method and device

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Embodiment Construction

[0044] 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.

[0045] In order to make the advantages of the technical solution of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0046] An embodiment of the present invention provides a method for QoS control, such as figure 1 As shown, the method includes:

[0047] 101. Set the lower limit guarantee queue and the normal queue corresponding to each application respectiv...

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Abstract

Embodiments of the present invention disclose a method and an apparatus for controlling QoS, relate to the field of communications technologies, and solve the problem that each application determines an I / O delivery order according to an application priority, which causes an overall IOPS value of a system to be unstable and affects overall QoS performance of the system. The method of the present invention comprises: setting a lower limit ensured queue and a normal queue corresponding to each application; when an I / O message required to be delivered by an application is received, inserting the I / O required to be delivered by the application into the lower limit ensured queue corresponding to the application; when the lower limit ensured queue corresponding to the application is full, and a remaining I / O required to be delivered by the application exists, inserting the remaining I / O required to be delivered by the application into the normal queue corresponding to the application; when I / O is required to be delivered, delivering, in turn, the I / O in the lower limit ensured queue corresponding to each application; and when the lower limit ensured queue corresponding to each application is empty, delivering the I / O in the normal queue corresponding to each application.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for QoS control. Background technique [0002] As the cost of SSD (Solid State Drives, solid state drive) media gradually decreases, it has become more and more popular to use SSDs as primary storage media in storage systems. In a storage system, a cluster of SSD storage media can provide resources that far exceed the requirements of a single application. Therefore, multiple applications are usually run on a cluster of SSD storage media to avoid waste of SSD storage media resources. When multiple applications run at the same time, the applications will inevitably compete for storage resources, for example, the order in which the I / O (Input / Output, input / output) of each application is delivered, etc., which will not guarantee the performance of the application. In order to ensure the performance of some applications, a QoS (Quality of Service, Q...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
Inventor 曾震
Owner CHENGDU HUAWEI TECH