CN102970379A - Method for realizing load balance among multiple servers - Google Patents
Method for realizing load balance among multiple servers Download PDFInfo
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- CN102970379A CN102970379A CN2012105563865A CN201210556386A CN102970379A CN 102970379 A CN102970379 A CN 102970379A CN 2012105563865 A CN2012105563865 A CN 2012105563865A CN 201210556386 A CN201210556386 A CN 201210556386A CN 102970379 A CN102970379 A CN 102970379A
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Abstract
The invention discloses a method for realizing load balance among multiple servers. The method comprises the following steps of: enabling each server in a system to know address information of other servers in the system; monitoring the respective load situation by each server, and broadcasting the respective load situation to other servers in the system by each server; when the current server receives a new work task and the current server meets preset load transfer conditions, selecting one server according to the load situations of other servers in the system; when the current server establishes the connection with the selected server, transferring the new work task to the selected server; and processing the new work task by the selected server, and sending the processing result to the current server. According to the method for realizing load balance among multiple servers, disclosed by the invention, the load balance among the servers can be realized under the condition of not setting a specific load balance platform, and the utilization rate of resources of the system can be greatly improved.
Description
Technical field
The present invention relates to network information technology field, particularly a kind of method that between a plurality of servers, realizes load balancing.
Background technology
Along with the fast development of information technology, service-oriented application architecture is widely used, and provides the pattern of application ripe with the form of serving to the user.
In a lot of application scenarioss, the same or analogous service server of a plurality of functions need to be set in the information system usually, then these service servers are divided in the different zones according to logics such as areal relations by system.The user then needs according to logics such as its regions, and access certain service server wherein is to realize corresponding business.But, in above-mentioned Business Processing mode, because the number of users of zones of different is generally not identical, user's visit capacity of zones of different generally also is unbalanced, therefore cause easily the business of some regional certain server busier, load is larger, and the user need to wait in line; Other servers in other zones are then professional less, and load is less, thereby the idle situation of part system resource can occur, so, in the prior art, generally all need to equally loaded between a plurality of servers.
In order to solve the unbalanced problem of above-mentioned server load, existing technical scheme normally sets in advance a specific load balancing platform, then by this load balancing platform, set about control and adjustment operating load between a plurality of servers from the BOTTOM LAYER ENVIRONMENT of server.
But, in a lot of practical application scenes, the applied environment more complicated of information system, the software and hardware condition of system may and not meet the basic demand of setting up the load balancing platform, therefore can't set up load-balancing mechanism at the server bottom, thereby can't realize the load balancing between the server.。
As from the foregoing, also there are some above-mentioned problems in the method for the load balancing between a plurality of servers of realization of the prior art, therefore, be necessary to provide a kind of method that better between a plurality of servers, realizes load balancing, thereby can under the condition that specific load balancing platform is not set, realize the load balancing between the server.
Summary of the invention
According to the present invention, a kind of method that realizes load balancing between a plurality of servers is provided, thereby can under the condition that specific load balancing platform is not set, have realized the load balancing between the server.
According to a kind of method that realizes load balancing between a plurality of servers of the present invention, the method comprises:
Each server in the system is all known the address information of other server in the system;
The loading condition of each server monitoring self, and the loading condition of other server broadcast self in the system;
When current server receives new task and the satisfied default load jump condition of current server, select a server according to the loading condition of other server in the system;
Current server and selecteed server connect, and described new task is transferred to selecteed server;
Selecteed server is processed described new task, and result is sent to current server.
Wherein, each server in the described system knows that all the address information of other server comprises in the system:
Set in advance configuration file or the database of the shared address information that is used for the storage system Servers-all of a system;
Each server is known the address information of other server in the system by accessing described configuration file or database.
Wherein, the method also further comprises:
When increasing newly in the system or deleting server, in configuration file or database, increase or delete corresponding address information newly in exclusive mode.
Wherein, each server in the described system knows that all the address information of other server comprises in the system:
The address information of other server in the storage system in each server in system.
Wherein, the method further comprises:
In each server, set in advance a loading condition tabulation that is used for the address information of other server of storage system.
Wherein, the method further comprises:
When increasing newly in the system or deleting server, each server of notifications increases or deletes corresponding address information newly in the loading condition tabulation of separately storage.
Wherein, the method further comprises:
When increasing server newly in the system, system sends to described newly-increased server with the address information of existing server in the system.
Wherein, described loading condition comprises:
EMS memory occupation situation, processor take situation and network connection number.
Wherein, the loading condition of described other server broadcast in system self comprises:
According to the loading condition of self and the grade of load that sets in advance, according to the grade of load of other server broadcast self in the system of default cycle.
Wherein, the described grade of load comprises:
1 grade of free time, 2 grades of free time, 3 grades of free time, 1 grade busy, 2 grades busy and 3 grades busy.
Wherein, the method also further comprises:
Each server is recorded in the loading condition of other server in the loading condition tabulation.
Wherein, described default load jump condition is:
The loading condition of current server is more than or equal to default load threshold.
Wherein, described load threshold is a predetermined grade of load.
Wherein, described loading condition according to other server in the system selects a server to comprise:
From the loading condition tabulation of self storing, select a loading condition less than default load threshold and the lightest server of load.
Wherein, described loading condition according to other server in the system selects a server to comprise:
For each server in the loading condition tabulation of self storing arranges respectively weighted value, and generate the loading condition after the weighting;
Loading condition from the loading condition tabulation of self storing after weighting of selection is less than default load threshold and the lightest server of load.
Wherein, the method also further comprises:
If current server and selecteed server connect unsuccessfully, then current server is reduced the weighted value of this selecteed server in the loading condition tabulation of self storing, and the loading condition that returns other server in the executive basis system is selected the step of a server.
As seen from the above technical solution, between a plurality of servers, realizing in the method for load balancing in the present invention, since each server in the system all know other server in the system address information and can be to the loading condition of other server broadcast self in the system, therefore if the current server load is heavier and when receiving new task, can select the lightest server of load in other server from system, and new task is transferred to selecteed server, by selecteed server described new task is processed, and result sent to current server, thereby can be under the condition that specific load balancing platform is not set, realize the load balancing between the server, greatly improve the resource utilization of system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.Apparently, the accompanying drawing in below describing only is some embodiments of the present invention, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the schematic flow sheet of the method for load balancing that realizes between a plurality of servers in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Fig. 1 is the flow chart of the method for load balancing that realizes between a plurality of servers in the embodiment of the invention.As shown in Figure 1, the method that realizes load balancing between a plurality of servers in the embodiment of the invention comprises step as described below:
In information system of the present invention, be provided with the same or analogous server of a plurality of functions, and because the zone at each server place is different, user's visit capacity also might be different, so may there be larger difference in the load between each server, thereby need between each server, carry out corresponding load balancing.
Therefore, in order to carry out load balancing between each server, in this step, each server in the system will be known the address information of other server in the system, so that in follow-up step, monitor situation with other server load sharing, and shift where necessary operating load.
Better, in specific embodiments of the invention, described step 101 can realize by mode as described below:
Step a sets in advance configuration file or the database of the address information that is used for the storage system Servers-all that a system shares.
In preferred embodiment of the present invention, described configuration file or database can be stored in any one server in the system; Perhaps, described configuration file or database can be stored in the independent storage devices in the system.
Step b, each server are known the address information of other server in the system by accessing described configuration file or database.
Further, in preferred embodiment of the present invention, when increasing newly in the system or deleting server, in configuration file or database, increase or delete corresponding address information newly in exclusive mode.
Better, in specific embodiments of the invention, described step 101 also can realize by mode as described below:
The address information of other server in the storage system in each server in system.
In specific embodiments of the invention, system can send to the address information of Servers-all in the system each server in the system, therefore, but the address information of other server in the storage system in each server in the system.
For example, when having three server A, B and C in the system, can be in server A the address information of storage server B and C; The address information of storage server A and C in server B; The address information of storage server A and C in server C.
In addition, in preferred embodiment of the present invention, can in each server, set in advance a loading condition tabulation, be used for the address information of other server of storage system.
Better, when increasing newly in the system or deleting server, each server of notifications increases or deletes corresponding address information newly in the loading condition tabulation of separately storage.
Further, in preferred embodiment of the present invention, when in the system during newly-increased server, system can send to described newly-increased server with the address information of existing server in the system, thereby so that described newly-increased server can storage system in the address information of other server.
In this step, each server needs the loading condition of Real Time Monitoring self, and the loading condition of other server broadcast self in the system, so that each server all can be known the loading condition of other server, in follow-up step, select idle server to shift operating load thereby be convenient to each server.
Better, in specific embodiments of the invention, described loading condition can comprise: EMS memory occupation situation, processor take the occupation condition such as situation and network connection number.The numerical value of described occupation condition can comprise absolute value and ratio value.
Better, in specific embodiments of the invention, the loading condition of described other server broadcast in system self can be:
According to the loading condition of self and the grade of load that sets in advance, according to the grade of load of other server broadcast self in the system of default cycle.
Wherein, the described grade of load can set in advance according to actual application environment.For example, the described grade of load can comprise: 1 grade of free time, 2 grades of free time, 3 grades of free time, 1 grade busy, 2 grades busy and 3 grades busy etc., wherein, the loading level of above-mentioned each grade of load is according to by light smooth arrangement to weight, the load of 1 grade of free time is the lightest, and 3 grades of busy pack heaviests.Certainly, in technical scheme of the present invention, the described grade of load also can be and above-mentioned similarly other set-up mode that arranges, enumerate no longer one by one at this.
Owing to set in advance the grade of load, so each server can determine the grade of load that self is current according to the real-time loading condition of self, then according to the grade of load of other server broadcast self in the system of default cycle.
Better, in specific embodiments of the invention, behind the loading condition of each server other server broadcast in receiving system, the loading condition of other server can be recorded in the loading condition tabulation, so that in follow-up step, select idle server to shift operating load.
Step 103 when current server receives new task and the satisfied default load jump condition of current server, is selected a server according to the loading condition of other server in the system.
In technical scheme of the present invention, each server in the system all may receive new task.If some servers wherein (being current server) are when receiving new task, the load of finding self is very large, satisfied default load jump condition, then this current server can be selected a server according to the loading condition of other server in the system.
Better, in specific embodiments of the invention, described default load jump condition can be:
The loading condition of current server is more than or equal to default load threshold.
Better, in specific embodiments of the invention, if set in advance a plurality of grades of load, then described load threshold can be a predetermined grade of load.
For example, if set in advance 6 grades of load: 1 grade of free time, 2 grades of free time, 3 grades of free time, 1 grade busy, 2 grades busy, 3 grades busy, then described load threshold can pre-determine for be 2 grades busy.Therefore, if the loading condition of current server be 2 grades busy or 3 grades busy, then this current server has satisfied default load jump condition; And if the loading condition of current server be 1 grade busy, then this current server does not satisfy default load jump condition.
In addition, in technical scheme of the present invention, because each server can be recorded in the loading condition of other server in the loading condition tabulation, therefore, better, in specific embodiments of the invention, described loading condition according to other server in the system selects a server to be:
From the loading condition tabulation of self storing, select a loading condition less than default load threshold and the lightest server of load.
Better, in specific embodiments of the invention, described loading condition according to other server in the system selects a server also can be:
For each server in the loading condition tabulation of self storing arranges respectively weighted value, and generate the loading condition after the weighting;
Loading condition from the loading condition tabulation of self storing after weighting of selection is less than default load threshold and the lightest server of load.
Because in step 103, current server has been selected a server, therefore in this step, this current server can connect with this selecteed server, then described new task is transferred to selecteed server.Because in information system of the present invention, the concrete business that each server can provide is obviously difference not, therefore can shift pending task between server, the business on the server that load is heavier is transferred on the lighter server of load and is processed.
Because in preferred embodiment of the present invention, current server can arrange respectively weighted value for each server in the loading condition tabulation of self storing, therefore better, in specific embodiments of the invention, if current server and selecteed server connect unsuccessfully, then the weighted value of current server this selecteed server of downward modulation in the loading condition tabulation of self storing is returned execution in step 103.
In this step, selecteed server will be processed the described new task that shifts from current server, and result is sent to current server.At this moment, the actual treatment work of described new task will be finished by selecteed server, and result is sent to current server; Current server will be only as the middle-agent, and described result is returned to the user.
By above-mentioned step 101～105, can so that current server when its load is heavier, the new task that newly receives can be transferred on other lighter server of load and be processed, thereby can be under the condition that specific load balancing platform is not set, realize the load balancing between the server, greatly improve the resource utilization of system.
In summary, what provide in the present invention realizes between a plurality of servers in the method for load balancing, since each server in the system all know other server in the system address information and can be to the loading condition of other server broadcast self in the system, therefore if the current server load is heavier and when receiving new task, can select the lightest server of load in other server from system, and new task is transferred to selecteed server, by selecteed server described new task is processed, and result sent to current server, thereby can be under the condition that specific load balancing platform is not set, realize the load balancing between the server, greatly improve the resource utilization of system.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. method that realizes load balancing between a plurality of servers is characterized in that the method comprises:
Each server in the system is all known the address information of other server in the system;
The loading condition of each server monitoring self, and the loading condition of other server broadcast self in the system;
When current server receives new task and the satisfied default load jump condition of current server, select a server according to the loading condition of other server in the system;
Current server and selecteed server connect, and described new task is transferred to selecteed server;
Selecteed server is processed described new task, and result is sent to current server.
2. the method for claim 1 is characterized in that, each server in the described system knows that all the address information of other server comprises in the system:
Set in advance configuration file or the database of the shared address information that is used for the storage system Servers-all of a system;
Each server is known the address information of other server in the system by accessing described configuration file or database.
3. method as claimed in claim 2 is characterized in that, the method also further comprises:
When increasing newly in the system or deleting server, in configuration file or database, increase or delete corresponding address information newly in exclusive mode.
4. the method for claim 1 is characterized in that, each server in the described system knows that all the address information of other server comprises in the system:
The address information of other server in the storage system in each server in system.
5. method as claimed in claim 4 is characterized in that, the method further comprises:
In each server, set in advance a loading condition tabulation that is used for the address information of other server of storage system.
6. method as claimed in claim 5 is characterized in that, the method further comprises:
When increasing newly in the system or deleting server, each server of notifications increases or deletes corresponding address information newly in the loading condition tabulation of separately storage.
7. method as claimed in claim 6 is characterized in that, the method further comprises:
When increasing server newly in the system, system sends to described newly-increased server with the address information of existing server in the system.
8. the method for claim 1 is characterized in that, described loading condition comprises:
EMS memory occupation situation, processor take situation and network connection number.
9. the method for claim 1 is characterized in that, the loading condition of described other server broadcast in system self comprises:
According to the loading condition of self and the grade of load that sets in advance, according to the grade of load of other server broadcast self in the system of default cycle.
10. method as claimed in claim 9 is characterized in that, the described grade of load comprises:
1 grade of free time, 2 grades of free time, 3 grades of free time, 1 grade busy, 2 grades busy and 3 grades busy.
11. such as claim 1 or 10 described methods, it is characterized in that the method also further comprises:
Each server is recorded in the loading condition of other server in the loading condition tabulation.
12. method as claimed in claim 11 is characterized in that, described default load jump condition is:
The loading condition of current server is more than or equal to default load threshold.
13. method as claimed in claim 12 is characterized in that:
Described load threshold is a predetermined grade of load.
14. method as claimed in claim 13 is characterized in that, described loading condition according to other server in the system selects a server to comprise:
From the loading condition tabulation of self storing, select a loading condition less than default load threshold and the lightest server of load.
15. method as claimed in claim 13 is characterized in that, described loading condition according to other server in the system selects a server to comprise:
For each server in the loading condition tabulation of self storing arranges respectively weighted value, and generate the loading condition after the weighting;
Loading condition from the loading condition tabulation of self storing after weighting of selection is less than default load threshold and the lightest server of load.
16. method as claimed in claim 15 is characterized in that, the method also further comprises:
If current server and selecteed server connect unsuccessfully, then current server is reduced the weighted value of this selecteed server in the loading condition tabulation of self storing, and the loading condition that returns other server in the executive basis system is selected the step of a server.
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| CN105376332A (en) * | 2015-12-14 | 2016-03-02 | 江苏名通信息科技有限公司 | Load migration method for mobile phone game servers |
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| CN105516369A (en) * | 2016-02-04 | 2016-04-20 | 城云科技（杭州）有限公司 | Video cloud platform load balancing method and video cloud platform load balancing dispatcher |
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| CN105744238A (en) * | 2016-05-09 | 2016-07-06 | 金三立视频科技（深圳）有限公司 | Streaming media load balancing method and system |
| CN106292982A (en) * | 2016-08-12 | 2017-01-04 | 浪潮(北京)电子信息产业有限公司 | A kind of consumption of data center control system and method |
| CN108076092A (en) * | 2016-11-14 | 2018-05-25 | 北大方正集团有限公司 | Web server resources balance method and device |
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