Load-aware adaptive threshold overload migration method

An adaptive threshold and load-sensing technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as the coherence of each link and the lack of research on the selection of services to be migrated

Active Publication Date: 2017-09-22
CIVIL AVIATION UNIV OF CHINA
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  • Claims
  • Application Information

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Problems solved by technology

To sum up, all the above studies only focus on a certain link of load migration, and do not connect all links, and there are few studies on th

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  • Load-aware adaptive threshold overload migration method
  • Load-aware adaptive threshold overload migration method
  • Load-aware adaptive threshold overload migration method

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Embodiment Construction

[0047] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0048] see Figure 1 to Figure 3 , a load-aware adaptive threshold overload migration method,

[0049] Step 101. Initialize variables. At the beginning of the algorithm, the service information table needs to be maintained. The system automatically registers the PCB information of the process on the processor. When the server is lightly loaded, D is the local processor, and S is empty. At this time, the system does not have the migration service . All servers in the cluster send service status information to the load balancing control module, and the latter generates load status table information after coordination and aggregation. The specific steps are:

[0050] The service registration information table is a data structure for recording...

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Abstract

The invention discloses a load-aware adaptive threshold overload migration method. The method comprises the following steps: 1, initializing a variable: maintaining a service information table at the start of an algorithm, and automatically registering PCB (Printed Circuit Board) information of a process on a processor by a system; 2, running a load balance algorithm: configuring a corresponding load balance algorithm in a cluster system to perform load distribution on a request of a user; 3, determining whether a processor needing forced migration exists or not; 4, checking whether a server is overloaded or not: periodically monitoring a running condition of the system, and judging whether the server is overloaded or not by taking an overload threshold as a reference; and 5, performing load-awareness-based migration service selection. Through adoption of the method, the overload threshold is changed adaptively according to a rate requested by a client, so that the overload thresholds of servers can be adjusted effectively in real time according to a concurrent volume. Moreover, an optimal emigration scheme is selected for an overload server, so that overload work, even crash of the overload server is prevented.

Description

technical field [0001] The invention is applied in the field of service load migration, and in particular relates to a load-aware adaptive threshold overload migration method. Background technique [0002] System load migration is a problem often encountered in practice. The choice of load migration strategy directly affects the efficiency of the system. A good migration strategy can increase the throughput of the system and reduce the response time of users, thereby improving the overall throughput of the system. [0003] Common overload migration strategies include the following: target processor-based selection strategy, overload threshold-based setting strategy, and overall architecture strategy for overload migration. These overload migration strategies have their own advantages and disadvantages, and can be adapted to different application scenarios. [0004] The selection strategy based on the target processor is a simple and commonly used strategy, among which the f...

Claims

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Application Information

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IPC IPC(8): H04L12/801H04L12/803H04L12/853H04L12/26H04L29/08H04L47/2416
CPCH04L43/0817H04L43/0888H04L47/125H04L47/2416H04L47/29H04L67/1008
Inventor 李国申亚坤丁建立李永华王怀超王帅卿
Owner CIVIL AVIATION UNIV OF CHINA
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