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Service level control method and system of online service system

A service system and service level technology, applied in the service level control method and corresponding system fields, can solve problems such as high system service pressure, service system instability, system jitter, etc.

Inactive Publication Date: 2017-11-03
GUANGDONG SHENMA SEARCH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing downgrading scheme is simple to implement, but due to the instability of the service system, it is easy to cause the system to jitter near the threshold, making the system in a state of high service pressure for a long time

Method used

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  • Service level control method and system of online service system
  • Service level control method and system of online service system
  • Service level control method and system of online service system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0050] In this embodiment, the system status of the online service system may be characterized by characteristic values ​​of current service capabilities, and accordingly, service quality may be divided into multiple levels corresponding to multiple characteristic value thresholds.

[0051] As mentioned above, the online service system may be various types of Internet application systems, and the characteristic values ​​used to represent the service capabilities of the online service system are also different according to different online service systems. For example, for an information recommendation service online system, the current queue length that needs to be processed can be used as a characteristic value to represent the system state. For other distributed task systems, the current available resources of the system, idle servers, etc. can also be used to represent the system state. eigenvalues ​​of .

[0052] When the system state is characterized by characteristic val...

Embodiment 2

[0064] figure 2 is a schematic diagram showing downgrade triggering and upgrade recovery under a specific embodiment of the present invention. Among them, the abscissa is the time axis, and the ordinate is the characteristic value, such as figure 2 As shown, three eigenvalue thresholds a, b, and c can be set. In this embodiment, the feature value may represent the length of the request queue that the online service system needs to process currently.

[0065] 1) Before time t2, if the request queue length is less than the characteristic value threshold b, the online service system is in a normal service state and can provide the best quality service externally.

[0066] 2) As the traffic increases, the system cannot support high-quality services, and the request queue length continues to increase. At time t2, the queue length reaches the characteristic value threshold b. At this time, the online service system can enter the first-level degraded state, and the external servi...

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Abstract

The invention discloses a service level control method and system of an online service system. The service level control method comprises: a service degrading step: when it is judged that the system state of the online service system is reduced, reducing the quality of service of the online service system to a level corresponding to the current system state; and a service restoration step: when it is judged that the system state is upgraded, pausing to restore the quality of service to the level corresponding to the current system state. Therefore, by adoption of a quick degrading and slow upgrading level control strategy, the adverse effects caused by the jitter and repetition of the system state of the online service system can be prevented, and more time can be provided for the online service system to further restore the system state.

Description

technical field [0001] The invention relates to the field of online services, in particular to a service level control method and a corresponding system for an online service system. Background technique [0002] A typical feature of an online service system that provides services based on the Internet is that the flow is unstable. In addition to the obvious peak and trough distribution over time, the access traffic of the online service system is also affected by hot events or special activities. In order to ensure the stability of services provided by the online service system, it is often necessary for the online service system to reserve sufficient service capacity. However, the reserved resources are only designed based on expected traffic peaks. In unexpected situations such as local module exceptions (for example, cache module failure), upstream and downstream service exceptions, or malicious attacks, the system still has fatal risks. In order to deal with these sit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/50H04L41/5019H04L41/5032
Inventor 刘东辉王俊杰褚建辉
Owner GUANGDONG SHENMA SEARCH TECH CO LTD
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