Self-adaptive dynamic flow limiting method and device
A current limiting method and self-adaptive technology, applied in the field of network communication, can solve problems such as waste of resources, problems with servers, unavailability of other services, etc., and achieve the effect of protecting the system
Active Publication Date: 2022-08-02
环天智慧科技股份有限公司
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[0006] In order to solve the phenomenon that resources are wasted due to improper selection of the current limiting threshold in the current limiting process of the existing current limiting technology, or problems occur in the server and other services are unavailable after the current limiting, the present invention provides an adaptive dynamic current limiting method and equipment, which limit The threshold of the flow changes dynamically according to the information of CPU usage, CPU load, interface dimension and application dimension. The whole process does not need to set business priority, and will not cause some business to be unavailable, maximizing the protection of the system and making the computer Resources get the best use
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[0049] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted here that, although the description of these embodiments is for helping understanding of the present invention, it does not constitute a limitation of the present invention. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the present invention. The present invention, however, may be embodied in many alternative forms and should not be construed as limited to the embodiments set forth herein.
[0050] It should be understood that the term "and / or" that may appear in this document is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and / or B, it can mean that A exists alone, B exists alone, and there are three cases of A and B at the same time; for the term " / and" that may appea...
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The invention discloses a self-adaptive dynamic current limiting method and device, and the method comprises the steps: receiving a request, respectively recording the information of an application and an interface, and calculating the load and the utilization rate of a CPU (Central Processing Unit) by adopting a moving average method; when the load of the CPU is larger than or equal to a load threshold value or the utilization rate of the CPU is larger than or equal to a utilization rate threshold value, QPS is calculated according to the request starting time in the interface information, and the optimal concurrency of the interface is calculated; in response to the condition that the number of currently processed requests of the interface is greater than the optimal concurrency of the interface, opening current limiting of the interface; and after a second duration after the interface current limiting is started or after the load of the CPU is greater than or equal to a load threshold value and the duration when the utilization rate of the CPU is greater than or equal to a utilization rate threshold value is greater than a third duration, starting application current limiting in response to the situation that the load of the CPU or the utilization rate of the CPU is not reduced. The whole process does not need to set service priorities, the situation that some services are unavailable cannot be caused, the system is protected to the maximum extent, and computer resources are utilized to the maximum extent.
Description
technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to an adaptive dynamic current limiting method and device. Background technique [0002] With the development and popularization of Internet technology, Internet applications have spread across various industries, and Internet-based services have also increased. At the same time, the Internet has reached more and more people. For services in a large-scale user group, every extra minute of online service standby will cause irreparable economic losses and reduce user trust. The problem of online service faces many challenges, such as server downtime, network crash, human error, etc. Among them, the biggest challenge for stable online services is unpredictable traffic changes, such as ticket grabbing, spike activities, etc. How to quickly and effectively deal with the impact of sudden online traffic, how to use computer resources as much as possible to provi...
Claims
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IPC IPC(8): H04L47/10H04L47/215H04L47/2475
CPCH04L47/29H04L47/215H04L47/2475Y02D10/00
Inventor 赵凌园陈飞陆汪杨振宇康若帆
Owner 环天智慧科技股份有限公司