Publish-subscribe distributed system health degree evaluation method
A distributed system and system health technology, applied in software deployment, instrumentation, data processing applications, etc., can solve issues such as publishing/subscribing distributed system health evaluation problems, to reduce complexity, improve accuracy, and improve Effects on Performance and Efficiency
Active Publication Date: 2019-10-11
SOUTHEAST UNIV
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Problems solved by technology
[0004] In order to overcome the deficiencies in the above prior art and solve the health evaluation problem of the publish / subscribe distributed system, the present invention provides a publish / subscribe distributed system Health Evaluation Method
Method used
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Embodiment 1
[0079] Such as image 3 As shown, the parts assembly scene in an industrial application includes four workstations: loader, robot, sealing machine, and storage unit. After each workstation completes its assigned tasks, it transfers the parts to the next workstation for assembly in turn. The work to be done by the four workstations is as follows:
[0080] 1. Loader: responsible for obtaining the parts base from the conveyor belt.
[0081] 2. Robot: Install the bearing and shaft on the base of the part.
[0082] 3. Sealer: Install the cover on the parts assembled by the robot platform.
[0083] 4. Storage: Pick up the assembled parts and put them in the storage area.
[0084] The above four workstations respectively correspond to the four components in the example. In addition, there is a supervisor (Supervisor) component for issuing startup commands to initialize other components and monitor the running status of each workstation. The publish-subscribe relationship of each ...
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The invention discloses a health degree evaluation method for a theme-based publish / subscribe distributed system. A component and system hierarchical health degree evaluation model in the publish / subscribe distributed system is formed. According to the method, health degree evaluation of a publish / subscribe distributed system is decomposed into two levels of component health degree evaluation andsystem health degree evaluation. The method comprises the following steps: firstly, on the basis of acquiring publish-subscribe data and component performance index data generated during running of apublish / subscribe distributed system, calculating the health degree of a component through an LOF algorithm; on the basis of obtaining the health degree of each component in the system, generating a component publishing and subscribing directed graph automatically according to a publishing and subscribing relationship among the components when the system runs, calculating the weight of each component according to the component publishing and subscribing directed graph, and finally, weighting and averaging the health degree of each component to obtain the health degree of the system. Accordingto the invention, the operation state of the whole distributed system can be visually and clearly displayed.
Description
technical field [0001] The invention relates to software health degree evaluation technology in the computer field, in particular to a publish / subscribe distributed system health degree evaluation method. Background technique [0002] Due to the increasing scale and complexity of modern software systems, there are various failure modes, and the software cannot be guaranteed to be absolutely reliable. Reliable software in the current system may appear abnormal when running in other systems or environments. We cannot To ensure that the software is always reliable in any environment, while traditional verification and validation methods are not enough to meet all reliability and security requirements, in order to make the software run as expected as possible, in addition to writing detailed documents during the development stage, carry out In addition to review and testing, it is also necessary to conduct comprehensive status monitoring during operation and make adjustments acc...
Claims
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IPC IPC(8): G06Q10/06G06F8/60
CPCG06Q10/06393G06Q10/06395G06F8/60
Inventor 沈卓炜胡羽扬汪德凤
Owner SOUTHEAST UNIV