CN104598291A - Recovery method and system of nuclear power service system virtual server resources - Google Patents

Abstract

The embodiment of the invention discloses a method and system for recovering virtual server resources of a nuclear power business system. The method determines whether to automatically recover the virtual server by automatically monitoring the lease period of the virtual server and the use of application resources. The present invention realizes the automatic recycling of virtual server resources of the nuclear power business system by means of the traditional method of monitoring the lease period of the virtual server and the innovative method of monitoring the actual usage of the virtual server, combined with the notification function of automatic inquiry, and effectively reduces the operation and maintenance of the nuclear power business system complexity, reducing the workload of operation and maintenance, and saving hardware costs. At the same time, the present invention also provides a method for determining the actual usage of the virtual server by analyzing the characteristics of the nuclear power business system, through which the actual usage of the virtual server can be effectively obtained.

Description

A method and system for recycling virtual server resources of a nuclear power business system

technical field

The invention relates to the technical field of nuclear power, in particular to a method and system for recovering virtual server resources of a nuclear power business system.

Background technique

In the nuclear power business system, the architecture of the traditional X86 server can only run one operating system at a time. By abstracting the operating system and application resources of physical hardware, the server virtualization of today's nuclear power business system gets rid of the traditional one-to-one architecture model of X86 servers, and realizes a more cost-effective, more agile, and simpler server environment. With server virtualization, multiple operating systems can run on a physical server as virtual machines, and each virtual machine can access the computing resources of the underlying server.

The server virtualization of nuclear power business system has unleashed the powerful potential of today's X86 servers. However, the capacity utilization rate of most virtual servers is still not high; at the same time, there is a phenomenon that physical server resources are still occupied without actual use, resulting in a sharp increase in the number of virtual servers, and it is difficult for operation and maintenance personnel to confirm the virtual machine servers of the nuclear power business system one by one actual usage. This not only wastes server resources but also increases server maintenance costs.

In the prior art, to address the above technical problems, most virtualization vendors support timing tasks for virtual machines, and execute corresponding operations regularly according to preset processes. Take ESX, the virtualization operating system of the mainstream virtual machine manufacturer VMWare, as an example. It supports ten types of tasks: start and shut down virtual machines, clone, deploy, migrate, create virtual machines, create virtual machine snapshots, add hosts, change Power, check fit compliance, change resource pool or virtual machine resource settings. That is to say, the existing method of reclaiming virtual machines can only forcefully shut down and remove virtual machines at regular intervals, and cannot automatically determine whether the server is in use during the lease period, nor can it actively ask the user whether it still needs to be used or the lease renewal is about to expire server.

Contents of the invention

The technical problem to be solved by the embodiments of the present invention is that the method for recycling virtual server resources in the existing nuclear power business system can only forcefully shut down and remove the virtual machine at regular intervals, and cannot automatically determine whether the virtual server in the lease period is in use or not. A method and system for recycling virtual server resources of a nuclear power business system are provided due to the defect that users cannot actively ask whether they still need to use or renew a virtual server that is about to expire.

In order to solve the above technical problems, an embodiment of the present invention provides a method for recycling virtual server resources of a nuclear power business system, including the following steps:

S1. Obtain application information, said application information includes applicant ID, lease term and application type, and go to steps S2A and S2B at the same time;

S2A. According to the lease term in the application information, monitor whether the lease term expires; if not, continue to monitor the lease term, otherwise go to step S3A;

S3A. Send an email to ask the applicant whether to renew the lease; if the feedback information of renewal and new lease term is received, return to step S2A, otherwise go to step S4;

S2B. Monitor the application resource usage; if the application resource usage is continuously lower than the threshold within the first predetermined number of days, go to step S3B, otherwise continue to monitor the application resource usage;

S3B. Send an email to ask whether the applicant's supervisor uses the application resources and the reasons for the low usage of the application resources; if the feedback information is received that the application resources are still in use and the reasons for the low usage of the application resources, return to step S2B, otherwise go to step S4;

S4. Numbering by date and applicant, backing up the hard disk file of the virtual server;

S5. Shutting down and removing the virtual server from the physical host.

Preferably, the step S2A also includes the following operations: calculating the remaining days from the lease period every day; when the remaining days are less than or equal to the second predetermined number of days, sending an email to ask the applicant whether to renew the lease, and if so, to renew the lease Get a new lease term.

Preferably, the application type includes Web Services business and Windows/Unix/Linux Services business; the threshold of the Web Services business is determined by the virtual server CPU usage and the preset value of the number of website user visits, and the Windows/Unix/Linux Services The business threshold is determined by the virtual server usage preset value.

Preferably, the application resource usage is calculated by the following formula:

${\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; i</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}{\mathrm{<span\; class="notranslate">\; \&lambda;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; \&CenterDot;</span>{<span\; class="notranslate">\; \&Integral;</span>}_{\mathrm{<span\; class="notranslate">\; t</span>}}^{\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}{\mathrm{<span\; class="notranslate">\; \&pi;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span>$

Wherein, the function F _n (t) is the utilization of the application resource n at time t; i is the number of dimensions involved in the function, and the dimensions include: CPU resource utilization, memory utilization, disk utilization and access volume; λ _ni is The sensitivity coefficient of each dimension is used to reflect the importance of each dimension in different application scenarios, and the default is 1; π _ni (t) is the usage rate of application resource n on dimension i at time t; T is the usage of computing application resources cycle.

Preferably, in the step S2B, the email sending is triggered by changing the life cycle of the application resource; the life cycle of the application resource is determined by the following formula:

${\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\left\{\begin{array}{cc}\mathrm{<span\; class="notranslate">\; t</span>}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; <</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\\ {\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}<span\; class="notranslate">\; \_</span>\mathrm{<span\; class="notranslate">\; initial</span>}}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&Greater\; Equal;</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\end{array}\right.$

Wherein, τ _n (t) is the life cycle of the application resource n at time t, τ _{n_initial} is the lease period of the application resource n, and F _n is the threshold of the application resource n.

Correspondingly, the present invention also provides a recovery system for virtual server resources of a nuclear power business system, including: an application module, a lease period monitoring module, an application monitoring module, a notification module, a backup module and a recovery module; wherein,

The application module is used to provide a virtual server application service and obtain application information, the application information includes applicant ID, lease term and application type;

The lease term monitoring module is used to monitor whether the lease term expires according to the lease term applied by the applicant;

The application monitoring module is used to monitor the application resource usage and compare the application resource usage with the application resource usage threshold to obtain the application resource usage monitoring result;

The notification module further includes a first notification submodule and a second notification submodule; wherein, the first notification submodule is used to send a lease renewal inquiry email to the applicant according to the monitoring situation of the lease monitoring module and accept the application Feedback information from people, the second notification sub-module is used to send to the applicant supervisor whether the application resource is used and the reason why the application resource is low according to the monitoring result of the application monitoring module, and accept the feedback information from the applicant supervisor;

The backup module is used to number according to the date and the applicant according to the control instruction of the notification module, and back up the hard disk file of the virtual server;

The recycling module is used to close and remove the virtual server from the physical host according to the control instruction of the backup module.

Preferably, the lease period monitoring module also has a remaining days calculation submodule; the remaining days calculation submodule is used to calculate the remaining days from the lease period every day; when the remaining days are less than or equal to the second predetermined number of days, the The lease period monitoring module triggers the notification module to send an email to ask the applicant whether to renew the lease, and if the lease is renewed, the lease period applied by the applicant is obtained again.

Preferably, the application type includes Web Services business and Windows/Unix/Linux Services business; the threshold of the Web Services business is determined by the virtual server CPU usage and the preset value of the number of website user visits, and the Windows/Unix/Linux Services The business threshold is determined by the virtual server usage preset value.

Preferably, the application resource usage is calculated by the following formula:

${\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; i</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}{\mathrm{<span\; class="notranslate">\; \&lambda;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; \&Center\; Dot;</span>{<span\; class="notranslate">\; \&Integral;</span>}_{\mathrm{<span\; class="notranslate">\; t</span>}}^{\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}{\mathrm{<span\; class="notranslate">\; \&pi;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span>$

Wherein, the function F _n (t) is the usage of the application resource n at time t; i is the number of dimensions involved in the function, and the dimensions include: CPU resource utilization, memory utilization, disk utilization and access volume; λ _ni is The sensitivity coefficient of each dimension is used to reflect the importance of each dimension in different application scenarios, and the default is 1; π _ni (t) is the usage rate of application resource n on dimension i at time t; T is the usage of computing application resources cycle.

Preferably, the application monitoring module is also configured to trigger the second notification module by changing the life cycle of the application resource; the life cycle of the application resource is determined by the following formula:

${\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\left\{\begin{array}{cc}\mathrm{<span\; class="notranslate">\; t</span>}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; <</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\\ {\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}<span\; class="notranslate">\; \_</span>\mathrm{<span\; class="notranslate">\; initial</span>}}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&Greater\; Equal;</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\end{array}\right.$

Wherein, τ _n (t) is the life cycle of the application resource n at time t, τ _{n_initial} is the lease period of the application resource n, and F _n is the threshold of the application resource n.

Implementing the embodiment of the present invention has the following beneficial effects: the present invention realizes the virtual server resources of the nuclear power business system through the traditional method of monitoring the lease period of the virtual server and the innovative method of monitoring the actual utilization rate of the virtual server, combined with the notification function of automatic inquiry. Automated recycling effectively reduces the complexity of operation and maintenance of the nuclear power business system, reduces the workload of operation and maintenance, and saves hardware costs. At the same time, the present invention also provides a method for determining the actual utilization rate of the virtual server by analyzing the characteristics of the nuclear power business system, through which the actual utilization rate of the virtual server can be effectively obtained.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a flowchart of a method for recovering virtual server resources of a nuclear power business system according to the first embodiment provided by the present invention;

Fig. 2 is the structural block diagram of the recycling system of the virtual server resource of the stream nuclear power business system of the second embodiment provided by the present invention;

Fig. 3 is a schematic diagram of the structure fields of the database structure of the nuclear power business system virtual server resource recycling system according to the third embodiment of the present invention.

Detailed ways

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.

Please refer to FIG. 1 . FIG. 1 is a flowchart of a method for recovering virtual server resources of a nuclear power business system according to a first embodiment of the present invention. As shown in FIG. 1 , the method for recovering virtual server resources of a nuclear power business system provided in this embodiment includes the following steps:

S1. Obtain application information, said application information includes applicant ID, lease term and application type, and go to steps S2A and S2B at the same time;

Preferably, the applicant applies for a virtual server through the portal website and submits the application information through the application module; in a preferred embodiment provided by the present invention, the application types mainly include two types: Web Services business and Windows/Unix/Linux Services business;

S2A. According to the lease term in the application information, monitor whether the lease term expires; if not, continue to monitor the lease term, otherwise go to step S3A;

S3A. Send an email to ask the applicant whether to renew the lease; if the feedback information of renewal and new lease term is received, return to step S2A, otherwise go to step S4;

After the applicant renews the lease, the lease term monitoring module will re-accept the lease term applied by the applicant, and continue to monitor whether the lease term expires according to the new lease term; if the applicant does not renew the lease or does not respond to the notification module within the specified time limit Inquiry email sent, the notification module will trigger the backup module to back up, and then automatically reclaim the virtual server resources;

S2B. Monitor the application resource usage; if the application resource usage is continuously lower than the threshold within the first predetermined number of days, go to step S3B, otherwise continue to monitor the application resource usage;

In a preferred embodiment provided by the present invention, the first predetermined number of days is 3 weeks; if the application monitoring module monitors that the usage of application resources is lower than the threshold for 3 consecutive weeks, that is to say, the usage of application resources does not meet the minimum requirements, Then the application monitoring module will trigger the notification module to ask whether the applicant supervisor is using the virtual server and the reason why the application resource usage is low; in a preferred embodiment provided by the present invention, the threshold of Web Services business is determined by the virtual server CPU The utilization rate and the preset value of the number of website user visits are determined, and the threshold of the Windows/Unix/Linux Services business is determined by the preset value of the virtual server usage;

S3B. Send an email to ask whether the applicant's supervisor uses the application resources and the reasons for the low usage of the application resources; if the feedback information is received that the application resources are still in use and the reasons for the low usage of the application resources, return to step S2B, otherwise go to step S4;

In this step, if the applicant supervisor feedbacks that the application resource is not in use or feedback is in use but does not respond to the reason for the low application resource usage or fails to respond to the inquiry email sent by the notification module within the specified time limit, the notification module will trigger the backup module Make backups and then automatically recycle virtual servers;

S4. Numbering by date and applicant, backing up the hard disk file of the virtual server;

S5. Shutting down and removing the virtual server from the physical host.

In this embodiment, through the traditional method of monitoring the lease period of the virtual server and the innovative method of monitoring the actual utilization rate of the virtual server, combined with the notification function of the automatic inquiry, the automatic recovery of the virtual server resources of the nuclear power business system is realized, which effectively reduces the operational cost of the nuclear power business system. Dimension complexity, reducing the workload of operation and maintenance, saving hardware costs.

In another preferred embodiment provided by the present invention, step S2A also includes the following operations: calculate the remaining days from the lease period every day; when the remaining days are less than or equal to the second predetermined number of days, send an email to ask the applicant whether to continue The applicant will be notified of the number of days left before the lease period. If the lease is renewed, the lease period applied by the applicant will be obtained again. Preferably, the second predetermined number of days is 2 weeks. Through the implementation of this embodiment, the applicant can be notified in advance of the remaining days of the lease, so that the applicant has enough time to consider whether to renew the lease and provide enough operational time for the applicant to apply for renewal without affecting the virtual server. normal use.

Please refer to FIG. 2 . FIG. 2 is a structural block diagram of a recovery system for virtual server resources of a nuclear power business system according to a second embodiment of the present invention. As shown in FIG. 2 , the nuclear power business system virtual server resource recovery system 100 provided in this embodiment includes: an application module 1 , a lease period monitoring module 2 , an application monitoring module 3 , a notification module 4 , a backup module 5 and a recovery module 6 .

Wherein, the application module 1 is used to provide a virtual server application service and obtain application information submitted by the applicant, and the application information includes the applicant ID, lease term and application type. Preferably, the applicant applies for a virtual server through the portal website, and submits the application information to the system 100 through the application module 1 . Application types mainly include two types, namely Web Services business and Windows/Unix/Linux Services business.

The lease term monitoring module 2 is used to monitor whether the lease term expires according to the lease term applied by the applicant. Preferably, the lease term monitoring module 2 detects once a day whether the applicant's lease term has expired, and if it expires, the notification module 4 will notify the client by email, and if it has not expired, continue to monitor the lease term.

The application monitoring module 3 is used to monitor the application resource usage and compare the application resource usage with the application resource usage threshold to obtain the application resource usage monitoring result. Preferably, the application monitoring module 3 detects the user's application resource usage once a day, and compares the application resource usage with a threshold. If the application resource usage for 3 consecutive weeks is lower than the threshold, that is to say, the application resource usage is not enough. If the minimum requirements are met, then the application monitoring module 3 will trigger the notification module 4 to ask whether the applicant supervisor is using the virtual server and why the application resource usage is low. In a preferred embodiment provided by the present invention, the threshold of the Web Services business is determined by the virtual server CPU usage rate and the preset value of the number of website user visits, and the threshold of the Windows/Unix/Linux Services business is preset by the virtual server usage Value decides.

The notification module 4 further includes a first notification submodule 41 (not shown in FIG. 2 ) and a second notification submodule 42 (not shown in FIG. 2 ). Among them, the first notification sub-module 41 is used to send the renewal inquiry mail to the applicant according to the monitoring situation of the lease monitoring module 2 and accept the applicant's feedback information, and the second notification sub-module 42 is used to send the renewal inquiry email to the applicant according to the monitoring situation of the application monitoring module 3. As a result, send the applicant's supervisor whether the application resources are used and the reasons for the low application resources, and accept the applicant's feedback information. After the applicant renews the lease, the first notification sub-module 41 will send the lease period applied by the applicant to the lease period monitoring module 2, and the lease period monitoring module 2 will receive the lease period applied by the applicant again, and continue the process according to the new lease period. Monitor whether the lease term expires; if the applicant does not renew the lease or does not respond to the inquiry email sent by the first notification sub-module 41 within the specified time limit, then the first notification sub-module 41 will trigger the backup module 5 to perform backup, and then automatically recycle Virtual server resources. Similarly, after the applicant's supervisor feeds back the reasons for the low usage of application resources, the second notification sub-module 42 will feed back the information to the application monitoring module 3 so that it can continue to monitor the application usage normally. If the applicant’s supervisor feeds back to the second notification sub-module 42 that the application resource is not in use or is in use but does not reply the reason for the low usage of the application resource or fails to respond to the inquiry email sent by the second notification sub-module 42 within the specified time limit, the Both notification sub-modules 42 will trigger the backup module 5 to perform backup, and then automatically recover the virtual server.

The backup module 5 is used for numbering by date and applicant according to the control instruction of the notification module 4, and backing up the hard disk files of the virtual server.

The recycling module 6 is used to shut down and remove the virtual server from the physical host according to the control instruction of the backup module 5 . Specifically, after the backup module 5 completes the backup, it triggers the recovery module 6 to recover virtual server resources.

In this embodiment, through the traditional method of monitoring the lease period of the virtual server and the innovative method of monitoring the actual utilization rate of the virtual server, combined with the notification function of the automatic inquiry, the automatic recovery of the virtual server resources of the nuclear power business system is realized, which effectively reduces the operational cost of the nuclear power business system. Dimension complexity, reducing the workload of operation and maintenance, saving hardware costs.

In another preferred embodiment provided by the present invention, the lease term monitoring module 2 further includes a remaining days calculation sub-module 21 (not shown in FIG. 2 ). The remaining days calculation module 21 is used to calculate the remaining days from the lease period every day. When the number of remaining days is less than or equal to the second predetermined number of days, preferably the second predetermined number of days is 2 weeks, the remaining days calculation submodule 21 triggers the first notification submodule 41 to send an email to ask the applicant whether to renew the lease and inform the applicant of the distance from the lease. days remaining in the period. If the applicant renews the lease, the lease period applied by the applicant will be obtained again. Through the implementation of this embodiment, the applicant can be notified in advance of the remaining days of the lease, so that the applicant has enough time to consider whether to renew the lease and provide enough operational time for the applicant to apply for renewal without affecting the virtual server. normal use.

Please refer to FIG. 3 . FIG. 3 is a schematic diagram of structure fields of the database structure of the virtual server resource recycling system of the nuclear power business system according to the third embodiment of the present invention. As shown in FIG. 3 , the database structure field provided by this embodiment includes two columns, the first column on the left indicates the attribute of the field, and the second column indicates the name of the field. ID is the ID number of the applicant, and its attribute is the primary key, which is used to represent the unique applicant. The SID is the ID number of the unique applicant supervisor. The lease term is the lease term of the virtual server applied by the applicant. Business types include two types, one is Web Services business, and the other is Windows/Unix/Linux Services business. Threshold 1 represents the threshold of the Web Services business, which is determined by the virtual server CPU usage and the preset value of the number of website user visits. Threshold 2 indicates the threshold of Windows/Unix/Linux Services business, which is determined by the preset value of service usage.

In a preferred embodiment provided by the present invention, the application resource usage threshold, that is, threshold 1 or threshold 2 is represented by _Fn , and n represents the application resource number. The application resource usage of application resource n at time t can be expressed by the function F _n (t), and the calculation formula of F _n (t) is as follows:

${\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; i</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}{\mathrm{<span\; class="notranslate">\; \&lambda;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; \&CenterDot;</span>{<span\; class="notranslate">\; \&Integral;</span>}_{\mathrm{<span\; class="notranslate">\; t</span>}}^{\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}{\mathrm{<span\; class="notranslate">\; \&pi;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; )</span>$

Among them, i is the number of dimensions involved in the function, and the dimensions include: CPU resource utilization, memory utilization, disk utilization and access volume; λ _ni is the sensitivity coefficient of each dimension, which is used to reflect the sensitivity of each dimension in different application scenarios. The importance of the dimension, the default is 1; π _ni (t) is the usage rate of application resource n on dimension i at time t; T is the cycle for calculating the usage of application resources, for example, once a day, then it is the previous day; if every week Calculate once, then T is one week. The actual meaning of the integration time area of this integration function is: this integration is the resource usage of dimension i from the last integration completion time to the current integration moment.

By implementing this embodiment, the application monitoring module 3 can easily calculate the usage of virtual machine server application resources at any time, such as a certain month, a certain week, a certain day or a certain hour. Based on the usage of the application resource calculated by the above method, the application monitoring module 3 can trigger the second notification module 42 by changing the life cycle of the application resource. Specifically, if at any time t, such as the 25th day, it is monitored that the usage of resource n within a period T (preferably 3 weeks) is lower than its threshold F _n , then its life cycle can be equal to t, that is, 25 days, that is to say, the monitoring day is the time when its life ends, then the second notification module 42 will ask whether the applicant's supervisor is using the resource and why the usage is low. If it is detected that its usage is not lower than the threshold F _n , then the normal life cycle of the maintenance period will not change, and the normal life cycle of resource n is the lease period applied by the applicant. The formula is as follows:

${\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\left\{\begin{array}{cc}\mathrm{<span\; class="notranslate">\; t</span>}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; <</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\\ {\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}<span\; class="notranslate">\; \_</span>\mathrm{<span\; class="notranslate">\; initial</span>}}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&Greater\; Equal;</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\end{array}\right.<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 2</span>}<span\; class="notranslate">\; )</span>$

Wherein, τ _n (t) is the life cycle of the application resource n at time t, τ _{n_initial} is the lease period of the application resource n, and F _n is the threshold of the application resource n. This embodiment provides a very simple method of using the monitored application resource usage to trigger the notification module to challenge the applicant's supervisor by changing its life cycle.

The above description refers to various modules. These modules typically include hardware and/or a combination of hardware and software (eg, firmware). These modules may also include computer-readable media (eg, non-transitory media) containing instructions (eg, software instructions) that, when executed by a processor, perform various functional features of the present invention. Accordingly, the scope of the present invention is not limited by specific hardware and/or software characteristics in modules explicitly mentioned in the embodiments unless explicitly required. As a non-limiting example, in an embodiment of the present invention, one or more processors (such as microprocessors, digital signal processors, baseband processors, microcontrollers) execute software instructions (such as stored in non-permanent memory and/or permanent storage). Additionally, the present invention may also be implemented using Application Specific Integrated Circuits (ASICs) and/or other hardware components. It should be pointed out that, in the above description of various modules, the division into these modules is for the sake of clarity. However, in actual implementations, the boundaries of various modules can be blurred. For example, any or all of the functional modules herein may share various hardware and/or software elements. For another example, any and/or all functional modules herein may be fully or partially implemented by a shared processor executing software instructions. Additionally, various software sub-modules executed by one or more processors may be shared among the various software modules. Accordingly, the scope of the present invention should not be limited by mandatory boundaries between various hardware and/or software elements unless explicitly claimed.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the process for realizing the above embodiments, and according to the rights of the present invention The equivalent changes required still belong to the scope covered by the invention.

Claims (10)

1. A method for reclaiming virtual server resources of a nuclear power business system, characterized in that, comprising the following steps: S1. Obtain application information, said application information includes applicant ID, lease term and application type, and go to steps S2A and S2B at the same time; S2A. According to the lease term in the application information, monitor whether the lease term expires; if not, continue to monitor the lease term, otherwise go to step S3A; S3A. Send an email to ask the applicant whether to renew the lease; if the feedback information of renewal and new lease term is received, return to step S2A, otherwise go to step S4; S2B. Monitor the application resource usage; if the application resource usage is continuously lower than the threshold within the first predetermined number of days, go to step S3B, otherwise continue to monitor the application resource usage; S3B. Send an email to ask whether the applicant's supervisor uses the application resources and the reasons for the low usage of the application resources; if the feedback information is received that the application resources are still in use and the reasons for the low usage of the application resources, return to step S2B, otherwise go to step S4; S4. Numbering by date and applicant, backing up the hard disk file of the virtual server; S5. Shutting down and removing the virtual server from the physical host. 2. The method for recovering virtual server resources of a nuclear power business system according to claim 1, wherein the step S2A further includes the following operations: calculating the remaining days from the lease period every day; when the remaining days are less than or equal to At the second scheduled number of days, an email will be sent to ask the applicant whether to renew the lease, and if the lease is renewed, a new lease period will be obtained again. 3. the recovery method of virtual server resource of nuclear power business system according to claim 1, it is characterized in that, described application type comprises Web Services business and Windows/Unix/Linux Services business; The threshold value of described Web Services business is determined by virtual server The CPU usage rate and the preset value of the number of website user visits are determined, and the threshold of the Windows/Unix/Linux Services business is determined by the preset value of the virtual server usage. 4. The method for recycling the virtual server resources of the nuclear power business system according to claim 1, wherein the application resource usage is calculated by the following formula: ${\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; i</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}{\mathrm{<span\; class="notranslate">\; \&lambda;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; \&CenterDot;</span>{<span\; class="notranslate">\; \&Integral;</span>}_{\mathrm{<span\; class="notranslate">\; t</span>}}^{\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}{\mathrm{<span\; class="notranslate">\; \&pi;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span>$ Wherein, the function F _n (t) is the utilization of the application resource n at time t; i is the number of dimensions involved in the function, and the dimensions include: CPU resource utilization, memory utilization, disk utilization and access volume; λ _ni is The sensitivity coefficient of each dimension is used to reflect the importance of each dimension in different application scenarios, and the default is 1; π _ni (t) is the usage rate of application resource n on dimension i at time t; T is the usage of computing application resources cycle. 5. The method for reclaiming virtual server resources of a nuclear power business system according to claim 4, characterized in that, in the step S2B, the email sending is triggered by changing the life cycle of the application resource; the life cycle of the application resource is passed The following formula is used to determine: ${\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\left\{\begin{array}{cc}\mathrm{<span\; class="notranslate">\; t</span>}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; <</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\\ {\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}<span\; class="notranslate">\; \_</span>\mathrm{<span\; class="notranslate">\; initial</span>}}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&Greater\; Equal;</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\end{array}\right.$ Wherein, τ _n (t) is the life cycle of the application resource n at time t, τ _{n_initial} is the lease period of the application resource n, and F _n is the threshold of the application resource n. 6. A recycling system for virtual server resources of a nuclear power business system, characterized in that it includes: an application module, a lease monitoring module, an application monitoring module, a notification module, a backup module, and a recycling module; wherein, The application module is used to provide virtual server application services and obtain application information, the application information includes applicant ID, lease term and application type; The lease term monitoring module is used to monitor whether the lease term expires according to the lease term applied by the applicant; The application monitoring module is used to monitor the application resource usage and compare the application resource usage with the application resource usage threshold to obtain the application resource usage monitoring result; The notification module further includes a first notification submodule and a second notification submodule; wherein, the first notification submodule is used to send a lease renewal inquiry email to the applicant according to the monitoring situation of the lease monitoring module and accept the application Feedback information from people, the second notification sub-module is used to send to the applicant supervisor whether the application resource is used and the reason why the application resource is low according to the monitoring result of the application monitoring module, and accept the feedback information from the applicant supervisor; The backup module is used to number according to the date and the applicant according to the control instruction of the notification module, and back up the virtual server hard disk file; The recycling module is used to close and remove the virtual server from the physical host according to the control instruction of the backup module. 7. The reclaiming system of nuclear power business system virtual server resource according to claim 6, it is characterized in that, the lease period monitoring module also has a remaining days calculation submodule; the remaining days calculation submodule is used to calculate the distance rent every day When the remaining days are less than or equal to the second predetermined number of days, the lease period monitoring module triggers the notification module to send an email to ask the applicant whether to renew the lease. Expect. 8. The reclaiming system of nuclear power business system virtual server resource according to claim 6, it is characterized in that, described application type comprises Web Services business and Windows/Unix/Linux Services business; The threshold value of described Web Services business is determined by virtual server The CPU usage rate and the preset value of the number of website user visits are determined, and the threshold of the Windows/Unix/Linux Services business is determined by the preset value of the virtual server usage. 9. The method for recycling the virtual server resources of the nuclear power business system according to claim 6, wherein the application resource usage is calculated by the following formula: ${\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; i</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}{\mathrm{<span\; class="notranslate">\; \&lambda;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; \&CenterDot;</span>{<span\; class="notranslate">\; \&Integral;</span>}_{\mathrm{<span\; class="notranslate">\; t</span>}}^{\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; +</span>\mathrm{<span\; class="notranslate">\; T</span>}}{\mathrm{<span\; class="notranslate">\; \&pi;</span>}}_{\mathrm{<span\; class="notranslate">\; ni</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span>$ Wherein, the function F _n (t) is the utilization of the application resource n at time t; i is the number of dimensions involved in the function, and the dimensions include: CPU resource utilization, memory utilization, disk utilization and access volume; λ _ni is The sensitivity coefficient of each dimension is used to reflect the importance of each dimension in different application scenarios, and the default is 1; π _ni (t) is the usage rate of application resource n on dimension i at time t; T is the usage of computing application resources cycle. 10. The method for reclaiming virtual server resources of a nuclear power business system according to claim 9, wherein the application monitoring module is also used to trigger the second notification module by changing the life cycle of the application resource; the application The lifetime of a resource is determined by the following formula: ${\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; =</span>\left\{\begin{array}{cc}\mathrm{<span\; class="notranslate">\; t</span>}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; <</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\\ {\mathrm{<span\; class="notranslate">\; \&tau;</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}<span\; class="notranslate">\; \_</span>\mathrm{<span\; class="notranslate">\; initial</span>}}& <span\; class="notranslate">\; (</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; t</span>}<span\; class="notranslate">\; )</span><span\; class="notranslate">\; \&Greater\; Equal;</span>{\mathrm{<span\; class="notranslate">\; f</span>}}_{\mathrm{<span\; class="notranslate">\; no</span>}}<span\; class="notranslate">\; )</span>\end{array}\right.$ Wherein, τ _n (t) is the life cycle of the application resource n at time t, τ _{n_initial} is the lease period of the application resource n, and F _n is the threshold of the application resource n.