CN109788012A - A kind of health examination method and device, health examination control method and controller - Google Patents
A kind of health examination method and device, health examination control method and controller Download PDFInfo
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Abstract
A kind of health examination method and device, health examination control method and controller, the health detecting method includes: that the inspection task that is issued according to health examination controller of the health examination device in cluster determines check object, after carrying out health examination to the check object, the result of health examination is synchronized to other health examination devices.The health examination control method includes: that health examination controller is that available health examination device distributes check object in cluster, by the check object for issuing the instruction distribution of inspection task to health examination device, wherein, the check object difference distributed for different health examination devices.Present invention also provides corresponding device and controllers.The problem of present application addresses health examination redundancies, and disaster tolerance is good.
Description
Technical field
The present invention relates to computer technologies, control more particularly, to a kind of health examination method and device, health examination
Method and controller.
Background technique
Cloud computing is established on catenet, and message needs to be connected to by internal network with wide area network.Load balancing
(LB:Load Balance) is a necessary service, and LB is a kind of the flowing of access of client is balanced to multiple rear ends to take
The technology of business device (RS:Real Server), RS are cloud host under cloud computing environment.LB is equal to load is provided into and out of flow
While the function that weighs, it is also necessary to carry out health examination (HC:Health check) to RS.HC is by operating in cloud host to client
On service terminal software detected, message forward rule is adjusted according to detection result, rejects unsound rear end clothes in time
Business, guarantees the availability of integrity service.
In the related technology, the LB node (alternatively referred to as LB server) for running load balancing service is generally deployed as distribution
Cluster realizes health examination by HC device thereon, and HC device can be realized with the HC component disposed on LB node.
The relevant technologies realize that the mode of health examination includes:
Mode one, independent healthy inspection.
Operation has a HC device on each LB node in cluster, carries out health examination to all RS for independence,
LB node adjusts load balancing according to local inspection result, as shown in Figure 1.
When in this way, because each LB node disjoint does health examination, the inspection task of each node is identical, wave
Take calculating, Internet resources, while capacity and expansibility can not meet the sustainable growth of business, because service capacity depends on
The resource of single LB node, capacity can not be expanded by increasing node.If the health examination service of the HC device of some LB node
It goes wrong, the forwarding strategy of LB, is unable to disaster tolerance where will have a direct impact on.
Mode two, centralization health examination.
All health examination concentrate on some HC node (or being Health Evaluation Center) carrying out, which again will
Inspection result is synchronized to each LB node in cluster, and LB node adjusts load balancing, such as Fig. 2 according to distal end inspection result
It is shown.
When in this way, because the HC node in centralization does health examination, solves and check redundancy and duplicate
Problem only checks once that a RS, still, since health examination is carried out in a HC node, disaster tolerance is poor.In addition, detection
As a result it needs from HC central synchronous to LB, this delay synchronized is likely to result in the scheduling that cannot adjust load balancing in time
Strategy.Moreover, because HC node disjoint is arranged in LB node, the network path (HC<->RS) and practical business stream of flow are checked
The network path (LB<->RS) of amount is different, and testing result when inspection result is with using independent healthy test mode is possible to
It is different.
Summary of the invention
The embodiment of the invention provides a kind of health examination methods, comprising:
The inspection task that health examination device in cluster is issued according to health examination controller, determines check object,
In, the check object of different health examination devices is different in the cluster；
The health examination device carries out health examination to the check object；
The result of health examination is synchronized to other health examination devices in the cluster by the health examination device.
The embodiment of the invention also provides a kind of health examination devices, comprising:
Health examination module, the inspection task for being issued according to health examination controller determines check object, to described
Check object carries out health examination；
As a result synchronization module, for the result of health examination to be synchronized to other health examination devices of cluster；
Wherein, the check object of health examination device different in the cluster is different.
The embodiment of the invention also provides a kind of health examination device, including memory, processor and it is stored in described deposit
On reservoir and the computer program that can run on the processor, the processor are realized such as when executing the computer program
The processing of the upper health examination method.
The above scheme of the embodiment of the present invention uses distributed health examination mode, and different health examination devices is not to
Same check object carries out health examination, and the result of health examination is mutually in step, and solves the problems, such as redundancy, and disaster tolerance is good.
The embodiment of the invention provides a kind of health examination control methods, comprising:
Health examination controller is that available health examination device distributes check object in cluster, and in the cluster not
The check object of same health examination device distribution is different；
The health examination controller issues inspection task to the available health examination device respectively, in the inspection
The check object of distribution is indicated in task.
The embodiment of the invention also provides a kind of health examination controllers, comprising:
Task allocating module for distributing check object for health examination device available in cluster, and is the cluster
The check object of middle different health examination device distribution is different；
Mission dispatching module, for issuing inspection task respectively to the available health examination device, in the inspection
The check object of distribution is indicated in task.
The embodiment of the invention also provides a kind of health examination controller, including memory, processor and it is stored in described
On memory and the computer program that can run on the processor, the processor are realized when executing the computer program
The processing of health examination control method as described above.
In the above scheme of the embodiment of the present invention, health examination controller controls different health examination devices to different
Check object carries out health examination, solves the problems, such as redundancy, and disaster tolerance is good.
Detailed description of the invention
Fig. 1 is the configuration diagram of independent healthy test mode in the related technology；
Fig. 2 is the configuration diagram of centralization health examination mode in the related technology；
Fig. 3 is the flow chart of the health examination method of the embodiment of the present invention one；
Fig. 4 is the module map of the HC device of the embodiment of the present invention one；
Fig. 5 is the flow chart of the health examination control method of the embodiment of the present invention two；
Fig. 6 is the module map of the HC controller of the embodiment of the present invention two；
Fig. 7 is an exemplary configuration diagram of health examination of the embodiment of the present invention four.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Embodiment one
The system of the present embodiment health examination includes the HC device in HC controller and cluster, and HC controller is responsible for healthy inspection
Check and control system distributes check object for the HC device in cluster and issues inspection task；HC device is according to inspection task execution health
It checks, and inspection result is mutually in step.
The health examination method that the present embodiment HC device executes is as shown in Figure 3, comprising:
Step 110, the inspection task that the HC device in cluster is issued according to HC controller, determines check object, wherein institute
The check object for stating HC device different in cluster is different；
Step 120, the health examination device carries out health examination to the check object；
Step 130, the result of HC is synchronized to other HC devices in the cluster by the HC device.
In the present embodiment, when HC device executes health examination, periodically it can check that service is to RS according to configuration information
It is no available.Such as when carrying out TCP health examination, the connection request to target port is initiated, such as successful connection determines health examination
Pass through, such as connection determines health examination time-out without response, if connection is rejected, determines health examination failure.
In the present embodiment, the result of health examination is synchronized to other health in the cluster by the health examination device
Check device can be other health examination devices being sent directly to the result of health examination in the cluster；It can also be with
It is that the result of health examination is sent to the health examination controller, the cluster is transmitted to by the health examination controller
In other health examination devices.
The present embodiment additionally provides a kind of health examination device, as shown in Figure 4, comprising:
Health examination module 10, the inspection task for being issued according to health examination controller determines check object, to institute
It states check object and carries out health examination；
As a result synchronization module 20, for the result of health examination to be synchronized to other health examination devices of cluster；Wherein,
The check object of different health examination devices is different in the cluster.
In the present embodiment, the cluster is the load balancing cluster for loading equalizing section point composition, the health examination device
It is arranged on load balancing node, the check object is back-end server.
It is in the present embodiment, the load balancing node being arranged under same network segment or consolidated network interchanger composition is described negative
Balancing cluster is carried, at this point, the network path of each LB node to RS are consistent.
In the present embodiment, the result of health examination is synchronized to other health in the cluster by the result synchronization module
Check device, comprising: the result of health examination is sent directly to other health in the cluster by the health examination device
Check device；Alternatively, the result of health examination is sent to the health examination controller by the health examination device, by described
Health examination controller is transmitted to other health examination devices in the cluster.
The present embodiment additionally provides a kind of health examination device, including memory, processor and is stored in the memory
Computer program that is upper and can running on the processor, the processor can realize this reality when executing the computer program
Apply any processing of a method.
The present embodiment additionally provides a kind of computer readable storage medium, is stored thereon with computer program, and feature exists
In can realize any processing of the present embodiment method when the computer program is executed by the processor.
Although the present embodiment be by taking LB cluster as an example, the application is not limited thereto, as long as partially having in cluster more
A HC device, under the scene for multiple check objects to be carried out with health examination, can using the present embodiment and the application its
Scheme in his embodiment.
Embodiment two
The health examination control method that the present embodiment HC controller executes is as shown in Figure 5, comprising:
Step 210, HC controller is available HC device distribution check object in cluster, and is different in the cluster
The check object of HC device distribution is different；
Step 220, the HC controller issues inspection task to the available HC device respectively, in the inspection task
The check object of middle instruction distribution.
In the present embodiment, HC controller is responsible for managing the HC device in cluster, available strong in the cluster when detecting
When health check device changes, check object is redistributed for currently available health examination device, and according to redistributing
Result issue new inspection task respectively to currently available health examination device.It may be a variety of feelings that HC device, which changes,
Caused by condition, for example, HC device is online, HC device is offline, and HC device is abnormal etc..Have HC device it is online when, need to subtract
Have the check object of HC device less, distributes to new online HC device.Have HC device it is offline when, need to distribute to down originally
The check object of line HC device distributes to other online HC devices.
In the present embodiment, HC controller determines whether HC device can be used by the heartbeat detection to HC device.HC control
HC device in device and cluster keeps connecting, and maintains heartbeat, and the normal HC device of heartbeat is labeled as active, indicates available, only
Inspection task is issued to available HC device.
In the present embodiment, HC controller can be from configuration information, or is obtained by the interaction with other equipment all
The information of HC device in the information and cluster of check object, according to the quantity of the quantity of check object and available HC device,
All check objects are distributed to by each available HC device using the principle of mean allocation, and are the inspection of different HC devices distribution
It checks as difference.But the application is not limited to this, can also be according to the more of resource if the resource of the HC device in cluster is different
Few to distribute, for example more HC device of resource distributes more check object, and be that the lesser HC device distribution of resource is less
Check object.
The present embodiment additionally provides a kind of health examination controller, as shown in Figure 6, comprising:
Task allocating module 50 for distributing check object for health examination device available in cluster, and is the collection
The check object of different health examination devices distribution is different in group；
Mission dispatching module 60, for issuing inspection task respectively to the available health examination device, in the inspection
It looks into task and indicates the check object of distribution.
In the present embodiment,
The health examination controller further include: state detection module, for detecting the dress of the health examination in the cluster
The state set determines whether available health examination device changes in the cluster；
The task allocating module determines available health examination device hair in the cluster in the state detection module
When changing, check object is redistributed for currently available health examination device, and by the mission dispatching module to working as
Preceding available health examination device issues new inspection task respectively.
In the present embodiment,
The cluster is the load balancing node composition load balancing being arranged under same network segment or consolidated network interchanger
Cluster, available health examination device is arranged on load balancing node in the cluster, and the check object is back-end services
Device.
The present embodiment additionally provides a kind of health examination controller, including memory, processor and is stored in the storage
On device and the computer program that can run on the processor, the processor can realize this when executing the computer program
Any processing of embodiment method.
The present embodiment additionally provides a kind of computer readable storage medium, is stored thereon with computer program, and feature exists
In can realize any processing of the present embodiment method when the computer program is executed by the processor.
Embodiment three
A kind of health check system is present embodiments provided, including the HC device and HC controller in cluster, wherein described
HC device is using the HC device in embodiment one, and the HC controller is using the HC controller in embodiment two.
The distributed health examination scheme of above-described embodiment, has following technical effect that
1) HC controller is increased, task is checked by HC controller smart allocation, different HC devices are to different inspections pair
As being checked solve the problems, such as redundancy, calculating, Internet resources will not be wasted.The capacity of health examination is improved at double.Together
When can also extend capacity by increasing HC device, meet the sustainable growth of business.The characteristic for having large capacity, High Availabitity.
2) since every HC device only carries out health examination to a part in the RS for needing to carry out health examination, when a certain
HC device when something goes wrong, such as cannot execute inspection or inspection result is wrong, and coverage is contracted to original 1/n, and n is HC dress
The quantity set.Moreover, it is also possible to redistribute task by HC controller come fast quick-recovery service, disaster tolerance is good.
3) because HC device is deployed on LB node, LB can adjust load balancing according to the result of health examination in time
Scheduling strategy, such as unsound RS is rejected from forwarding configuration.
4) network path of health examination is consistent with LB service traffics, and the accuracy of inspection result can be improved.
Example IV
The present embodiment provides the examples of a health examination based on embodiment one and embodiment two.
Fig. 7 is referred to, cluster shown in figure is the LB cluster of LB node composition, and HC device is arranged on LB node, inspection
It checks and likes RS, these RS are RSs relevant to LB colony dispatching, and service traffics can be dispatched to therein any by LB node
On RS.As an example, LB cluster includes 3 LB nodes, is expressed as LB1-LB3 in figure.And the object for needing to check includes 6
A RS is expressed as RS1-RS6 in figure.
As shown, being provided with a HC controller in system, which physically can be set independent
On machine, it can also close and set with LB node.The HC controller is used to distribute one or more RS conduct for the HC device in cluster
Check object.In the example shown in the series of figures, 6 RS are averagely allocated to 3 HC nodes and checked by HC controller, wherein are HC1
Distribution is RS1 and RS2, and that for HC2 distribution is RS3 and RS4, and that for HC3 distribution is RS5 and RS6.For the distribution of different HC nodes
RS be different.HC controller establishes connection by the HC device in network and cluster, issues inspection respectively to each HC device
Task is looked into, the RS to be checked is indicated in inspection task.For example, that indicate into the inspection task that HC1 is issued is RS1 and RS2,
That indicate into the inspection task that HC2 is issued is RS3 and RS4, and that indicate into the inspection task that HC3 is issued is RS5 and RS6.
After HC device on each LB node receives inspection task, health examination is carried out to the RS indicated in inspection task.?
In the example, HC1 will carry out health examination to RS1 and RS2, and HC2 will carry out health examination to RS3 and RS4, HC3 will to RS5 and
RS6 carries out health examination, and the RS that different HC devices are checked is different.After completing health examination, lead between each HC device
Cross network be mutually in step health examination as a result, for example, HC1, HC2 and HC3 complete health examination after, all by the inspection of oneself
As a result other HC devices are broadcast to.The inspection result for making each HC device that can obtain full dose synchronizes it in this example
Afterwards, each HC in HC1, HC2 and HC3 can obtain RS1-RS6 health examination as a result, for realizing load balancing tune
Degree adds the RS of health for example, rejecting unsound RS.
If in the process of running, HC1 is abnormal, cause cannot health examination to RS1 and RS2 as a result, at this time HC2 and
HC3 still can normally obtain the health examination result of RS3-RS6.Moreover, after HC controller discovery HC1 abnormal off-line, it can be into
Row task is redistributed, and the HC1 RS1 for being responsible for checking is reassigned to HC2, the HC1 RS2 for being responsible for checking is reassigned to
HC3, and new inspection task is issued to HC2 and HC3.HC2 and HC3 is received except new inspection task, can be respectively started pair
The health examination of RS1 and RS2, disaster tolerance is good, and resume speed is fast.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain objects
Reason component or all physical assemblies may be implemented as by processor, such as central processing unit, digital signal processor or micro process
The software that device executes, is perhaps implemented as hardware or is implemented as integrated circuit, such as specific integrated circuit.Such software
Can be distributed on a computer-readable medium, computer-readable medium may include computer storage medium (or non-transitory be situated between
Matter) and communication media (or fugitive medium).As known to a person of ordinary skill in the art, term computer storage medium includes
In any method or skill for storing information (such as computer readable instructions, data structure, program module or other data)
The volatile and non-volatile implemented in art, removable and nonremovable medium.Computer storage medium includes but is not limited to
RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic
Box, tape, disk storage or other magnetic memory apparatus or it can be used for storing desired information and can be visited by computer
Any other medium asked.In addition, known to a person of ordinary skill in the art be, communication media generally comprises computer-readable
Other numbers in the modulated data signal of instruction, data structure, program module or such as carrier wave or other transmission mechanisms etc
According to, and may include any information delivery media.
Claims (13)
1. a kind of health examination method, comprising:
The inspection task that health examination device in cluster is issued according to health examination controller, determines check object, wherein institute
The check object for stating health examination device different in cluster is different；
The health examination device carries out health examination to the check object；
The result of health examination is synchronized to other health examination devices in the cluster by the health examination device.
2. health examination method as described in claim 1, it is characterised in that:
The cluster is the load balancing node composition load balancing cluster being arranged under same network segment or consolidated network interchanger,
The health examination device is arranged on load balancing node, and the check object is back-end server.
3. health examination method as claimed in claim 1 or 2, it is characterised in that:
The result of health examination is synchronized to other health examination devices in the cluster by the health examination device, comprising:
The result of health examination is sent directly to other health examination devices in the cluster by the health examination device；Or
Person
The result of health examination is sent to the health examination controller by the health examination device, by the health examination control
Device processed is transmitted to other health examination devices in the cluster.
4. a kind of health examination control method, comprising:
Health examination controller is available health examination device distribution check object in cluster, and is different in the cluster
The check object of health examination device distribution is different；
The health examination controller issues inspection task to the available health examination device respectively, in the inspection task
The check object of middle instruction distribution.
5. health examination control method as claimed in claim 4, it is characterised in that:
The cluster is the load balancing node composition load balancing cluster being arranged under same network segment or consolidated network interchanger,
Available health examination device is arranged on load balancing node in the cluster, and the check object is back-end server.
6. health examination control method as described in claim 4 or 5, it is characterised in that:
The method also includes:
It is currently available when the health examination controller detects that available health examination device changes in the cluster
Health examination device redistribute check object, and according to the result redistributed to currently available health examination device point
New inspection task is not issued.
7. a kind of health examination device characterized by comprising
Health examination module, the inspection task for being issued according to health examination controller determines check object, to the inspection
Object carries out health examination；
As a result synchronization module, for the result of health examination to be synchronized to other health examination devices of cluster；
Wherein, the check object of health examination device different in the cluster is different.
8. health examination device as claimed in claim 7, it is characterised in that:
The cluster is the load balancing node composition load balancing cluster being arranged under same network segment or consolidated network interchanger,
The health examination device is arranged on load balancing node, and the check object is back-end server.
9. a kind of health examination device, including memory, processor and it is stored on the memory and can be in the processor
The computer program of upper operation, which is characterized in that the processor realizes such as claim 1-3 when executing the computer program
Any one of described in method processing.
10. a kind of health examination controller characterized by comprising
Task allocating module, for distributing check object for health examination device available in cluster, and in the cluster not
The check object of same health examination device distribution is different；
Mission dispatching module, for issuing inspection task respectively to the available health examination device, in the inspection task
The check object of middle instruction distribution.
11. health examination controller as claimed in claim 10, it is characterised in that:
The health examination controller further include:
State detection module determines available in the cluster for detecting the state of the health examination device in the cluster
Whether health examination device changes；
The task allocating module determines that available health examination device becomes in the cluster in the state detection module
When change, check object is redistributed for currently available health examination device, and by the mission dispatching module to currently may be used
Health examination device issues new inspection task respectively.
12. health examination controller as described in claim 10 or 11, it is characterised in that:
The cluster is the load balancing node composition load balancing cluster being arranged under same network segment or consolidated network interchanger,
Available health examination device is arranged on load balancing node in the cluster, and the check object is back-end server.
13. a kind of health examination controller, including memory, processor and it is stored on the memory and can be in the processing
The computer program run on device, which is characterized in that the processor realizes such as claim when executing the computer program
The processing of method described in any one of 4-6.
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| CN110311988A (en) * | 2019-07-30 | 2019-10-08 | 中国工商银行股份有限公司 | Health examination method, load-balancing method and the device of back-end server |
| CN111865914A (en) * | 2020-06-15 | 2020-10-30 | 上海仪电（集团）有限公司中央研究院 | System, method, device and storage medium for checking health state of cloud host |
| CN111865914B (en) * | 2020-06-15 | 2023-03-21 | 上海仪电（集团）有限公司中央研究院 | System, method, device and storage medium for checking health state of cloud host |
| CN112311896A (en) * | 2020-11-16 | 2021-02-02 | 杭州迪普科技股份有限公司 | Health examination method, device, equipment and computer readable storage medium |
| CN112311896B (en) * | 2020-11-16 | 2023-03-24 | 杭州迪普科技股份有限公司 | Health examination method, device, equipment and computer readable storage medium |
| CN113259428A (en) * | 2021-05-11 | 2021-08-13 | 鸬鹚科技(深圳)有限公司 | Data access request processing method and device, computer equipment and medium |
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