CN103401947A - Method and device for allocating tasks to multiple servers - Google Patents
Method and device for allocating tasks to multiple servers Download PDFInfo
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Abstract
The invention discloses a method and a device for allocating tasks to multiple servers. The method comprises steps as follows: quantizing a load produced by a task allocated to each server, and obtaining a weight of each server; determining load balancing conditions of the multiple current servers according to the corresponding weight of each server and current connections established by each server; and allocating new tasks to the multiple servers according to the load balancing conditions of each server. According to the method, the load balancing conditions of the multiple current servers are determined according to the corresponding weight of each server and the current connections established by each server, so that the tasks can be reasonably allocated according to the load condition of each server, the data processing capacity is enhanced, the server resources are reasonably used, and the flexibility and the usability of the servers are improved.
Description
Technical field
The present invention relates to computer realm, and especially, relate to a kind of method for allocating tasks and device of a plurality of servers.
Background technology
Load balancing (Load Balance, be called again load balancing), load balancing is based upon on existing network infrastructure, balance is carried out in load (task), then share on a plurality of operating units and carry out, for example, be assigned to the execution such as Web server, ftp server, the crucial application server of enterprise and other mission critical server, thereby jointly finish the work task.It provide a kind of effective method extended network equipment and server bandwidth, increase throughput, Strengthens network data-handling capacity, improve flexibility and the availability of network.
Load balancing has the implication of two aspects: on the one hand, single heavy duty computing is assigned on many node devices (being server) and does parallel processing, after each node device processing finishes, result is gathered, return to the user, thus, system processing power is greatly improved, namely common cluster (clustering) technology; In yet another aspect, if have a large amount of Concurrency Access or data traffic situation, load can be assigned on many node devices and process respectively, reduce the time of user's wait-for-response, mainly for network applications such as Web server, ftp server, the crucial application servers of enterprise.
Under traditional design, service state judgement to each node of load balancing is soundd out and is obtained by conducting interviews on SiteServer LBS, this method can not obtain the situation of server load, therefore, SiteServer LBS can not be according to the loading condition allocating task of each server, thereby can not reasonably utilize server resource, and the efficiency that causes executing the task is low.
For can not be according to the loading condition of each server allocating task reasonably in correlation technique, the inefficient problem that causes executing the task, not yet propose effective solution at present.
Summary of the invention
For can not be according to the loading condition of each server allocating task reasonably in correlation technique, inefficient problem causes executing the task, the present invention proposes a kind of method for allocating tasks and device of a plurality of servers, can be according to the load balancing situation allocating task of a plurality of servers, thereby reasonably utilized server resource, and improved the efficiency of executing the task.
Technical scheme of the present invention is achieved in that
A kind of method for allocating tasks of a plurality of servers is provided according to an aspect of the present invention.
Above-mentioned method for allocating tasks comprises:
For each server, the load that the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
The linking number of the weight corresponding according to each server and the current foundation of each server, determine the load balancing situation of current a plurality of servers;
According to the load balancing situation of each server to a plurality of server-assignment new tasks.
Wherein, for each server, the load that the task of having distributed on this server is produced quantizes, and the weight that obtains each server comprises:
For each server, the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantize, obtain the weight of each server.
And, according to the load balancing situation of each server, a plurality of server-assignment new tasks are comprised:
The preferential server-assignment new task the lightest to load.
In addition, above-mentioned method for allocating tasks further comprises:
The load that the task that each server real-time monitoring and reporting has distributed on this server produces.
And above-mentioned method for allocating tasks further comprises:
Each server real-time monitoring is also reported flow situation and/or the Concurrency Access situation of this server.
A kind of task allocation apparatus of a plurality of servers is provided according to an aspect of the present invention.
Above-mentioned task allocation apparatus comprises:
Quantization modules, for each server, the load that this quantization modules is used for the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
Determination module, be used for the weight corresponding according to each server and the linking number of the current foundation of each server, determines the load balancing situation of current a plurality of servers;
Distribution module, the load balancing situation according to each server of being used for is to a plurality of server-assignment new tasks.
Wherein, for each server, above-mentioned quantization modules also is used for the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantizes, and obtains the weight of each server.
And above-mentioned distribution module also is used for the preferential server-assignment new task the lightest to load.
In addition, above-mentioned task allocation apparatus further comprises:
The first real-time monitoring module, be used for each server real-time monitoring and report the load that the task of having distributed on this server produces.
And above-mentioned task allocation apparatus further comprises:
The second real-time monitoring module, be used for each server real-time monitoring and report flow situation and/or the Concurrency Access situation of this server.
The load balancing situation that the present invention determines a plurality of servers by weight corresponding to server and current linking number, thereby can be according to the loading condition of each server allocating task reasonably, strengthen data-handling capacity, realize rationally utilizing server resource, and improve flexibility and the availability of server.
Description of drawings
Fig. 1 is the flow chart according to the method for allocating tasks of a plurality of servers of the embodiment of the present invention;
Fig. 2 is the block diagram according to the task allocation apparatus of a plurality of servers of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain, belong to the scope of protection of the invention.
, according to embodiments of the invention, provide a kind of method for allocating tasks of a plurality of servers.
As shown in Figure 1, comprise according to the method for allocating tasks of the embodiment of the present invention:
Step S101, for each server, the load that the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
Step S103, the linking number of the weight corresponding according to each server and the current foundation of each server, determine the load balancing situation of current a plurality of servers;
Step S105, according to the load balancing situation of each server to a plurality of server-assignment new tasks, preferably, the preferential server-assignment new task the lightest to load.
In another embodiment, for each server, the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantize, obtain the weight of each server.Namely have three kinds of situations: the load that, can produce according to the task of having distributed on this server and the flow situation of this server quantize to obtain the weight of each server; The load that two, can produce according to the task of having distributed on this server and the Concurrency Access situation of this server quantize to obtain the weight of each server; The Concurrency Access situation of the load that three, can produce according to the task of having distributed on this server, the flow situation of this server and this server quantizes to obtain the weight of each server.
Weight for each server, all will be because of different change of each state constantly of home server node, therefore, the weight that provides in technical solution of the present invention is the weight of floating, unsteady weight be conducive to SiteServer LBS according to each server in the not difference of weight and allocating task reasonably in the same time, thereby more effectively execute the task.
In addition, according to the method for allocating tasks of the embodiment of the present invention, each server can Real Time Monitoring and is reported the load that the task of having distributed on this server produces.And in another embodiment, according to the method for allocating tasks of the embodiment of the present invention, each server can Real Time Monitoring and is reported flow situation and/or the Concurrency Access situation of this server.
Wherein, above-mentioned report manner for server load, flow situation and/or Concurrency Access situation can be regularly to SiteServer LBS, to report, perhaps reports during responsive load equalizing system allocating task again., by the Real Time Monitoring of each server and the mode of report, can improve the real-time understanding of system to server load, flow situation and/or Concurrency Access situation, and improve communication efficiency.
, according to embodiments of the invention, provide a kind of task allocation apparatus of a plurality of servers.
As shown in Figure 2, comprise according to the task allocation apparatus of the embodiment of the present invention:
Quantization modules 21, for each server, the load that quantization modules 21 is used for the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
Determination module 22, be used for the weight corresponding according to each server and the linking number of the current foundation of each server, determines the load balancing situation of current a plurality of servers;
Distribution module 23, the load balancing situation according to each server of being used for is to a plurality of server-assignment new tasks.
Wherein, for each server, above-mentioned quantization modules 21 also is used for the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantizes, and obtains the weight of each server.
And above-mentioned distribution module 23 also is used for the preferential server-assignment new task the lightest to load.
In addition, may further include according to the task allocation apparatus of the embodiment of the present invention:
The first real-time monitoring module (not shown), be used for each server real-time monitoring and report the load that the task of having distributed on this server produces.
And, may further include according to the task allocation apparatus of the embodiment of the present invention:
The second real-time monitoring module (not shown), be used for each server real-time monitoring and report flow situation and/or the Concurrency Access situation of this server.
In actual applications, can be equally loaded equipment according to the task allocation apparatus of a plurality of servers of the embodiment of the present invention.
Quantization modules 21, determination module 22 and distribution module 23 all are positioned on equally loaded equipment, and equally loaded equipment can be router.In actual applications,, according to the method for allocating tasks of a plurality of servers of the embodiment of the present invention, can realize in following scheme:
Runtime server monitoring nodes process in SiteServer LBS, and on server node the operation service monitoring agent.The service monitoring agency obtains the state information relevant to server node in this locality, wherein, state information comprises: service existing state, server load condition, server Concurrency Access situation, server traffic information etc.Then service monitoring agency is by specific communication protocol between SiteServer LBS and server node, with status information reporting to the server node monitoring process.Then, SiteServer LBS quantizes the state information that receives, and obtains the weight of each server node.After the new task that receives user's transmission, SiteServer LBS is dispensed to each server according to each server node respective weights with task.Wherein, the preferential server-assignment new task the lightest to load.For example, have three Fu WuqiA B C, when their weight was respectively 2,1,1, A server priority allocation was to task.Further, can be that then the state information of regularly obtaining the home server node is reported to SiteServer LBS when service monitoring agency obtains relevant information in this locality, perhaps obtain the state information of home server node during responsive load equalizing system allocating task and then to SiteServer LBS, report.
The service monitoring agency obtains relevant information in this locality, guaranteed the real-time of the state information of the home server node that obtains, and the server node monitoring process and the service monitoring agent between only the transmission of information data and, this information data is less, use less transport overhead, the complex operations that the method has avoided service to sound out, greatly reduce the traffic and the delay of transmission.
In addition, according to the method for allocating tasks of a plurality of servers of the embodiment of the present invention, can be applied to adopt technical scheme of the present invention in Godson CPU, can simplify the configuration of Godson load-balancing device, improve real-time and the communication efficiency of system.In addition, in actual applications, SiteServer LBS can be router.Further, the quantization methods well known in the art such as the minimum linking number (WLC) of weighting, weighting taking turn (WRR) quantize to obtain the load balancing situation of home server node to the state information of home server node.
In sum, by means of technique scheme of the present invention, the load balancing situation that the present invention determines a plurality of servers by weight corresponding to server and current linking number, thereby can be according to the loading condition of each server allocating task reasonably, strengthen data-handling capacity, realize rationally utilizing server resource, and improve flexibility and the availability of server.The method for monitoring state based on the server node agency that the technology of the present invention method provides can provide real-time better, more reliable server node monitoring effect.Avoided the situation of the task maldistribution that the situation that affected by network condition and server load condition causes.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the method for allocating tasks of a plurality of servers, is characterized in that, comprising:
For each server, the load that the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
The weight corresponding according to described each server and the linking number of the current foundation of each server, determine the load balancing situation of current described a plurality of servers;
According to the load balancing situation of described each server to described a plurality of server-assignment new tasks.
2. method for allocating tasks according to claim 1, is characterized in that, for each server, the load that the task of having distributed on this server is produced quantizes, and the weight that obtains each server comprises:
For each server, the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantize, obtain the weight of each server.
3. method for allocating tasks according to claim 1, is characterized in that, according to the load balancing situation of described each server, described a plurality of server-assignment new tasks comprised:
The preferential server-assignment new task the lightest to load.
4. method for allocating tasks according to claim 1, is characterized in that, further comprises:
The load that the task that each server real-time monitoring and reporting has distributed on this server produces.
5. method for allocating tasks according to claim 4, is characterized in that, further comprises:
Each server real-time monitoring is also reported flow situation and/or the Concurrency Access situation of this server.
6. the task allocation apparatus of a plurality of servers, is characterized in that, comprising:
Quantization modules, for each server, the load that described quantization modules is used for the task of having distributed on this server is produced quantizes, and obtains the weight of each server;
Determination module, be used for the weight corresponding according to described each server and the linking number of the current foundation of each server, determines the load balancing situation of current described a plurality of servers;
Distribution module, the load balancing situation according to described each server of being used for is to described a plurality of server-assignment new tasks.
7. task allocation apparatus according to claim 1, it is characterized in that, for each server, described quantization modules also is used for the load that produces according to the task of having distributed on this server, and according to flow situation and/or the Concurrency Access situation of this server, quantize, obtain the weight of each server.
8. task allocation apparatus according to claim 1, is characterized in that, described distribution module also is used for the preferential server-assignment new task the lightest to load.
9. task allocation apparatus according to claim 1, is characterized in that, further comprises:
The first real-time monitoring module, be used for each server real-time monitoring and report the load that the task of having distributed on this server produces.
10. task allocation apparatus according to claim 6, is characterized in that, further comprises:
The second real-time monitoring module, be used for each server real-time monitoring and report flow situation and/or the Concurrency Access situation of this server.
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| CN111542063A (en) * | 2020-04-28 | 2020-08-14 | 张鹏程 | Communication device and method |
| CN111885142A (en) * | 2020-07-20 | 2020-11-03 | 广东电网有限责任公司 | Power information system and power information management method |
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