CN103944769A - RPC (Remote Procedure Call) protocol based cluster resource unified management system - Google Patents
RPC (Remote Procedure Call) protocol based cluster resource unified management system Download PDFInfo
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Abstract
The invention relates to an RPC (Remote Procedure Call) protocol based cluster resource unified management system. According to the RPC protocol based cluster resource unified management system, a cluster system is divided into a host node and a plurality of slave nodes; a global resource management service is deployed to the host node; node management services and specific application program main control services aiming at different application programs are deployed to the slave nodes; resources on the slave nodes are packaged into resource containers; the resource management service is responsible for resource management and distribution of the integral system; the node services are responsible for management of resources and tasks on every node; the application program service main control services are responsible for management of the single application program. The RPC protocol based cluster resource unified management system which is a distribution system for main or auxiliary architectures integrally has the advantages of providing unified service ports for other distribution application programs, integrating a plurality of original distribution applications which operate independently and distribute cluster resources, enabling cluster software and hardware resources to be shared, improving the resource utilization rate, reducing operation and maintenance costs, achieving data sharing and enhancing expansibility.
Description
Technical field
The present invention relates to a kind of cluster resource system for unified management based on RPC agreement, belong to cluster resource administrative skill field.
Background technology
At present, have multiple distributed application program resource management system, this class resource management system can manage and dispatch operation resource requirement for the feature of system separately.For example, the project of the increasing income Hadoop of Apache open source software foundation only supports MapReduce operation, and new scheduling strategy is difficult to embed its central type scheduler, and autgmentability is poor.Meanwhile, may there is Single Point of Faliure and cause the inefficacy of whole system in central type scheduler.And for example, Google company is by being optimized central type scheduler, every kind of scheduling strategy is put in independent module, different operations is dispatched by different scheduling strategies, this scheme can adapt to polytype distributed application program, but because all scheduling strategies are still in a centralized assembly, it is better that the autgmentability of whole system does not become.
Summary of the invention
The object of the invention is for other distributed application programs interface of providing uniform services, by independent operating and distribute a plurality of Distributed Application of cluster resource to integrate separately originally, share the software and hardware resources of cluster, improve the utilance of resource, reduce O&M cost, realize data sharing, strengthen autgmentability.
According to technical scheme provided by the invention, the described cluster resource system for unified management based on RPC agreement, group system is divided to a host node for it and several are from node, at host node, dispose an overall resource management service, from the service of node deployment node administration and for different application, disposing specific application program master control service; Resource from node is packaged into resource container one by one;
Described resource management service is responsible for unified management and the distribution of all resources in cluster, and it accepts to report information from the resource of each node administration service, and these information are distributed to each application program master control service according to certain strategy;
The resource and task management on each node is responsible in described node administration service, and on the one hand, its can be periodically reports resource service condition on this node and the running status of each resource container to resource management service; On the other hand, it receives and processes the various requests such as resource container start/stop from application program master control service;
The management of single application program is responsible in described application program master control service, comprises with resource management service and consulting with Gains resources; Obtaining of task is further distributed to inner task; With node administration communication for service with start/stop task; Monitor all task run states, and when task run failure, be that task application resource is to restart task again.
Described each resource management service is by the double-deck scheduling methods of two module compositions of scheduler and application manager, and scheduler retains a central type scheduler through simplifying, but scheduling strategy is transferred to each application manager and completed; Scheduler, according to the restrictive conditions such as capacity, queue (resource as certain in each queue assignment is carried out at most the operation of some etc.), distributes to by the resource in system the application program that each is moving; Application manager is in charge of all application programs in whole system, comprise application program submit to, with scheduler consult resource with start application program master control service, monitoring application program master control service operation state and restart when the failure it etc.
Individual node in described node administration Service Management cluster, is responsible for keeping with resource management service communicate by letter, the life cycle of management resource container, resource use (internal memory, CPU etc.) situation of monitoring each resource container, tracking node health status.
Described application program master control service is except carrying out mutual controlling application program internal task with application program, should carry out alternately as application program task application resource and monitor with resource management service and node administration service.
Advantage of the present invention: resource management service can be carried out the overall situation and unified management and distribution to the resource of cluster, its double-deck scheduling method can be avoided the deficiency of central type scheduler effectively, node administration service can be periodically reported resource service condition on this node and the running status of each resource container to resource management service, application program master control service can be different application assigned cluster resource and monitor task states by unified interface, cluster resource system for unified management is other distributed application programs interface of providing uniform services, by independent operating and distribute a plurality of Distributed Application of cluster resource to integrate separately originally, share the software and hardware resources of cluster, improve the utilance of resource, reduce O&M cost, realize data sharing, strengthen autgmentability.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention.
Fig. 2 is workflow schematic diagram of the present invention.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
In order to allow a plurality of distributed application programs share the software and hardware resources of cluster, improve the utilance of resource, group system is divided to a host node in the present invention and several are from node, as shown in Figure 1: at host node, dispose an overall resource management service; From the service of node deployment node administration and for different application, disposing specific application program master control service; Resource from node is packaged into resource container one by one; Resource management service is responsible for unified management and the distribution of all resources in cluster, and it accepts to report information from the resource of each node administration service, and these information are distributed to each application program master control service according to certain strategy; The resource and task management on each node is responsible in node administration service, and on the one hand, its can be periodically reports resource service condition on this node and the running status of each resource container to resource management service; On the other hand, it receives and processes the various requests such as resource container start/stop from application program master control service; The management of single application program is responsible in application program master control service, comprises with resource management service and consulting with Gains resources; Obtaining of task is further distributed to inner task; With node administration communication for service with start/stop task; Monitor all task run states, and when task run failure, be that task application resource is to restart task again.
Concrete, each resource management service is by scheduler and the double-deck scheduling methods of two module compositions of application manager, and scheduler retains a central type scheduler through simplifying, but scheduling strategy is transferred to each application manager and completed; Scheduler, according to the restrictive conditions such as capacity, queue (resource as certain in each queue assignment is carried out at most the operation of some etc.), distributes to by the resource in system the application program that each is moving; Application manager is in charge of all application programs in whole system, comprise application program submit to, with scheduler consult resource with start application program master control service, monitoring application program master control service operation state and restart when the failure it etc.
Individual node in node administration Service Management cluster, is responsible for keeping with resource management service communicate by letter, the life cycle of management resource container, resource use (internal memory, CPU etc.) situation of monitoring each resource container, tracking node health status.
Application program master control service is except carrying out mutual controlling application program internal task with application program, also need and resource management service and node administration service interaction, by mutual with resource management service, application program master control service can obtain the required resource of task computation; By with node administration service interaction, application program master control service can start calculation task, and monitors it until moved.For example, between application program master control service and resource management service, relate to alternately three steps: first, when application program master control service starts, by RPC function, to resource management service, register, once application program master control service registry success, resource management service can be returned to relevant information for it; Then, application program master control service is passed through RPC function to resource management service application resource executive utility; Finally, application program master control service tells resource management service application program to be finished by RPC function, and exits.
The distributed application program that cluster resource system for unified management can be number of different types provides service, although these application program effects are different, but its flow process that operates on cluster resource system for unified management is roughly the same, as Fig. 2, be specifically divided into following step:
Step 1: user submits application program in cluster resource system for unified management, comprising application program master control service, the order that starts application program master control service, user program etc.
Step 2: resource management service is first resource container of this application assigned, and with corresponding node administration communication for service, require it in this resource container, to start application program master control service.
Step 3: first application program master control service registers to resource management service, user can directly check the running status of application program by resource management service like this, and then it will be each task application resource, and monitors its running status, until end of run, repeating step 4 ~ 7.
Step 4: the mode that application program master control service adopts poll by RPC agreement to resource management service application with get resource.
Step 5: once application program master control service request, after resource, just, with corresponding node administration communication for service, requires its initiating task.
Step 6: node administration service is that task sets after running environment (comprising environmental variance, JAR bag, binary program etc.), writes task start order in a script, and by this script startup task of operation.
Step 7: each task is reported oneself state and progress to application program master control service by certain RPC agreement to allow application program master control service grasp at any time the running status of each task, thereby can restart task when mission failure.
In application program running, user is the current running status to application program master control service-seeking application program by RPC at any time.
Step 8: after application program has been moved, application program master control service is nullified and closes oneself to resource management service.
Cluster resource system for unified management of the present invention allows the operation of multiple distributed application program all operate in a public cluster, allow them share the resource of cluster, and resource is unified to use, resource in cluster is utilized more fully, reduce O&M cost, realize data sharing; Source control service is by scheduler and the double-deck scheduling method of two module compositions of application manager, scheduler retains a central type scheduler through simplifying, but scheduling strategy is transferred to each application manager and is completed, this double-deck scheduling method can be avoided the deficiency of the Single Point of Faliure of central type scheduler existence effectively, thereby has greatly strengthened the autgmentability of system.
Claims (4)
1. the cluster resource system for unified management based on RPC agreement, it is characterized in that: group system is divided to a host node and several are from node, at host node, dispose an overall resource management service, from the service of node deployment node administration and for different application, disposing specific application program master control service; Resource from node is packaged into resource container one by one;
Described resource management service is responsible for unified management and the distribution of all resources in cluster, and it accepts to report information from the resource of each node administration service, and these information are distributed to each application program master control service according to certain strategy;
The resource and task management on each node is responsible in described node administration service, on the one hand, periodically to resource management service, reports the running status of resource service condition on this node and each resource container; On the other hand, the resource container that comprises that receives and process from application program master control service starts, stops at interior various requests;
The management of single application program is responsible in described application program master control service, comprise: consult with Gains resources with resource management service, obtaining of task is further distributed to inner task, with node administration communication for service to start or stop task, monitor all task run states, and when task run failure, be that task application resource is to restart task again.
2. the cluster resource system for unified management based on RPC agreement according to claim 1, it is characterized in that: described each resource management service is by scheduler and the double-deck scheduling method of two module compositions of application manager, scheduler retains a central type scheduler through simplifying, but scheduling strategy is transferred to each application manager and completed; Scheduler distributes to by the resource in system the application program that each is moving according to the restrictive condition of capacity, queue; Application manager is in charge of all application programs in whole system, comprises that application program submits to, consults resource to start application program master control service, monitoring application program master control service operation state and to restart it when the failure with scheduler.
3. the cluster resource system for unified management based on RPC agreement according to claim 1, it is characterized in that: the individual node in described node administration Service Management cluster, be responsible for keeping with resource management service communicating by letter, the life cycle of management resource container, the resource service condition of monitoring each resource container, tracking node health status.
4. the cluster resource system for unified management based on RPC agreement according to claim 1, it is characterized in that: described application program master control service can be carried out mutual controlling application program internal task with application program, and can carry out alternately as application program task application resource and monitor with resource management service and node administration service.
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