CN106657354A - Load balancing device and method - Google Patents
Load balancing device and method Download PDFInfo
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- CN106657354A CN106657354A CN201611245253.0A CN201611245253A CN106657354A CN 106657354 A CN106657354 A CN 106657354A CN 201611245253 A CN201611245253 A CN 201611245253A CN 106657354 A CN106657354 A CN 106657354A
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- server
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- service
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1014—Server selection for load balancing based on the content of a request
Abstract
The invention provides a load balancing device and method. The method comprises the following steps: monitoring each server through a distributed service framework cluster, receiving an access request of a client, sending a server list of corresponding servers to the client according to the access request, and accessing the server list to the corresponding servers according to the server list. By implementation of the load balancing device and method provided by the invention, single-point faults can be reduced by the distributed service framework cluster, the cost necessary for maintenance is also reduced, in addition, the distributed service framework cluster requires no dynamic configuration of related information, and thus saving a lot of time.
Description
Technical field
The present invention relates to communication technical field, more particularly, it relates to a kind of load balancing apparatus and method.
Background technology
What is commercially commonly used is to carry out the load balancing on software by NGNIX, larger when website
When, the fractionation for often being serviced, the independent deployment of each service, and carrying out collaborative work by way of far call.
As the continuation expansion and evolution of system, the quantity of server can increase, the quantity of corresponding NGNIX softwares also can increase,
Its corresponding NGNIX deployment also can increase with configuration work, and this can cause maintenance cost to uprise, and the risk of Single Point of Faliure is also therewith
Increase.
The content of the invention
The technical problem to be solved in the present invention is how to avoid carrying out bearing on software in prior art by NGNIX
Carry balanced and caused maintenance cost height, the big problem of failure risk；For the technical problem, there is provided a kind of load balancing dress
Put, including：
Monitoring module, for by each server of distributed service framework cluster monitoring；
Receiver module, for receiving the access request from client；
Sending module, for being sent the service list of the corresponding server according to the access request of the client
To the client；
AM access module, for client to be accessed into the corresponding server according to the service list.
Optionally, also including Registering modules, for writing the registration of distributed service framework in each described server
Code, and registered to distributed service framework cluster based on the registration code；After succeeding in registration, receive described distributed
The monitoring of service framework cluster.
Optionally, the Registering modules are additionally operable to：In the startup of server, distribution is called by the registration code
Formula service framework cluster, directly registers the server info of the server to the distributed service framework cluster.
Optionally, the monitoring module is additionally operable to：
The connection of each server and the distributed service framework cluster is monitored, and by described in connection failure
Server is removed from the service list.
Optionally, also including cache module, for the service list to be cached into the client.
The present invention also provides a kind of load-balancing method, including：
By each server of distributed service framework cluster monitoring；
The access request from client is received, and will the corresponding server according to the access request of the client
Service list send to the client；
The client is accessed by the corresponding server according to the service list.
Optionally, before described each server by distributed service framework cluster monitoring, also include：Each institute
The registration code that distributed service framework is write in server is stated, and based on the registration code to distributed service framework cluster
Registered；After succeeding in registration, receive the monitoring of the distributed service framework cluster.
Optionally, it is described registration is carried out to distributed service framework cluster based on the registration code to include：In the clothes
When business device starts, distributed service framework cluster is called by the registration code, directly to the distributed service framework collection
The server info of group's registration server.
Optionally, described each server by distributed service framework cluster monitoring includes：
The connection of each server and the distributed service framework cluster is monitored, and by described in connection failure
Server is removed from the service list.
Optionally, the service list of the corresponding server is sent in the access request according to the client
To the client, also include：The service list is cached into the client.
Beneficial effect
The invention provides a kind of load balancing apparatus and method, by each service of distributed service framework cluster monitoring
Device, receives the access request from client, and the service list of corresponding server is sent to into client according to access request
End, then accesses corresponding server according to service list by client.By the enforcement of the present invention, by Distributed Services frame
Frame cluster can reduce Single Point of Faliure, while the cost needed for safeguarding is also reduced, additionally, distributed service framework cluster is not required to
Relevant information is dynamically configured, the substantial amounts of time has been saved.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
The load balancing apparatus composition schematic diagram that Fig. 1 is provided for first embodiment of the invention；
The schematic diagram by each server of zookeeper cluster monitorings that Fig. 2 is provided for first embodiment of the invention；
The load-balancing method flow chart that Fig. 3 is provided for second embodiment of the invention；
The load-balancing method flow chart that Fig. 4 is provided for third embodiment of the invention.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Embodiment one
Fig. 1 is a kind of load balancing apparatus composition schematic diagram that the present embodiment one is provided, and is specifically included：
Monitoring module 101, for by each server of distributed service framework (zookeeper) cluster monitoring；
Receiver module 102, for receiving the access request from client；
Sending module 103, for the service list of corresponding server to be sent into client according to the access request of client
End；
AM access module 104, for client to be accessed into corresponding server according to service list.
Zookeeper is one distributed, the distributed application program coordination service of open source code, and it is one to divide
Cloth application provide Consistency service device software, there is provided function include but is not limited to：Configuring maintenance, domain name service, distribution
Formula is synchronous, organize service etc..By taking configuring maintenance as an example, when one group of code is applied to multiple servers, due to each server
Ip addresses, interface etc. difference, actual disposition file is not quite similar, then can direct root by zookeeper clusters
Configuration file is write according to different servers, without the need for the corresponding configuration file of another one write.
In the present embodiment, by each server of zookeeper cluster monitorings, i.e., using zookeeper and each clothes
Business device is connected, and monitors the current state of each server, including ruuning situation, ip addresses, the port information of server etc.,
Wherein, the ruuning situation of server includes normal operation and connection failure etc., when between certain server and zookeeper not
Reachable, deadlock or other reasonses cannot be connected, then may think that the service fault that the server occurs.
In the present embodiment, in order that zookeeper clusters can monitor each server, optionally, can also include
Module 105 is built, for building the relevant environment of zookeeper clusters, and the kit of correlation is downloaded.That is, first,
Zookeeper clusters are set up, related hardware information are set, and write the information such as corresponding software code, it is ensured that
Zookeeper clusters being successfully established and normally run.
In addition, it can include Registering modules 106, for writing the registration code of zookeeper in each server,
And registered to zookeeper clusters based on registration code；After succeeding in registration, the monitoring of zookeeper clusters is received.In order to
Make zookeeper monitor corresponding server, need to be registered each server to zookeeper；Registration process can be with
By user manually carrying out, it is also possible to by writing registration code in each server, i.e., in the application of each server
Registration code is write in program, is allowed after program self-starting and is called the registration code automatically to carry out correlation to zookeeper clusters
Registration action, i.e. Registering modules 106 can be also used for：In startup of server, zookeeper collection is called by registration code
Group, directly to the server info of zookeeper cluster registrar.Server info can include the ip ground of server
Location, port etc. information.
After succeeding in registration, it is meant that connection is had built up between server and zookeeper, while also implying that server
Under monitoring already at zookeeper clusters, zookeeper clusters with real-time monitoring and can judge connected server
State, the ip addresses and the corresponding service list of port information generation according to server.Fig. 2 is refer to, Fig. 2 shows and passes through
The schematic diagram of zookeeper cluster monitorings each servers.
Service list can at least provide the ip address informations of corresponding server, can also include other additional letters
Breath, such as priority information of ip addresses of the server etc., when client access server the priority is may be referred to
Information is come the server needed for accessing.
Corresponding server should be the server of normal work in service list, in the present embodiment, monitoring module 101
Can be also used for：The connection of each server and zookeeper clusters is monitored, and by the server of connection failure from service
Remove in list.When certain server because unreachable, deadlock or a variety of other reasonses cause the connection and zookeeper between to be lost
Lose, now the server is considered failed server, can be by the relevant information of the server in service list
Remove.Service list now comprises only the information of other normal servers of connection, so that client is receiving service
Required server can be normally accessed after list, without there is having accessed the server of failure and caused other problemses.
Then, there is inaccessible situation between server and zookeeper, also have between zookeeper and server
Recover the situation of connection；When connection is recovered between server and zookeeper clusters, then the server can be continued to add
Into service list.
In the present embodiment, cache module 107 can also be included, for service list to be cached into client.Client
End for the convenience of subsequent treatment, service list is cached, then be subsequently intended to access after service list is received
During corresponding server, without the need for initiating access request, directly corresponding server can be accessed according to the service list of caching.And
If service list there occurs change, such as certain server deadlock is offline, or has newly increased server, zookeeper collection
Group can automatically notify that the client reacquires again service list, at the same time, then can move the service list of caching
Remove.
Present embodiments provide a kind of load balancing apparatus, including monitoring module, receiver module, sending module, access mould
Block, by each server of zookeeper cluster monitorings, receives the access request from client, and will according to access request
The service list of corresponding server is sent to client, then client is accessed into corresponding server according to service list.
By the enforcement of the present embodiment, Single Point of Faliure can be reduced by zookeeper clusters, at the same also reduce safeguard needed for into
This, additionally, zookeeper clusters need not dynamically configure relevant information, has saved the substantial amounts of time.
Embodiment two
Fig. 3 is a kind of load-balancing method flow chart that the present embodiment two is provided, and is specifically included：
S301, by each server of zookeeper cluster monitorings；
S302, access request from client is received, and according to the access request of client by corresponding server
Service list sends client；
S303, client is accessed by corresponding server according to service list.
Zookeeper is one distributed, the distributed application program coordination service of open source code, and it is one to divide
Cloth application provide Consistency service device software, there is provided function include but is not limited to：Configuring maintenance, domain name service, distribution
Formula is synchronous, organize service etc..By taking configuring maintenance as an example, when one group of code is applied to multiple servers, due to each server
Ip addresses, interface etc. difference, actual disposition file is not quite similar, then can direct root by zookeeper clusters
Configuration file is write according to different servers, without the need for the corresponding configuration file of another one write.
In the present embodiment, by each server of zookeeper cluster monitorings, i.e., using zookeeper and each clothes
Business device is connected, and monitors the current state of each server, including ruuning situation, ip addresses, the port information of server etc.,
Wherein, the ruuning situation of server includes normal operation and connection failure etc., when between certain server and zookeeper not
Reachable, deadlock or other reasonses cannot be connected, then may think that the service fault that the server occurs.
In the present embodiment, in order that zookeeper clusters can monitor each server, optionally, passing through
Before zookeeper cluster monitorings each servers, can also include：The relevant environment of zookeeper clusters is built, and is downloaded
Related kit.That is, first, zookeeper clusters are set up, related hardware information is set, and write
The information such as corresponding software code, it is ensured that zookeeper clusters being successfully established and normally running.
Additionally, in the present embodiment, by before zookeeper cluster monitorings each servers, including：Each
The registration code of zookeeper is write in individual server, and is registered to zookeeper clusters based on registration code；Registration
After success, the monitoring of zookeeper clusters is received.In order that zookeeper monitors corresponding server, need to service each
Device to zookeeper is registered；Registration process can manually be carried out by user, it is also possible to by each server
Registration code is write, i.e., writes registration code in the application program of each server, allowed after program self-starting and call this automatically
Registration code come to zookeeper clusters carry out correlation registration action, i.e.,：Entered to zookeeper clusters based on registration code
Row registration includes：In startup of server, zookeeper clusters are called by registration code, directly noted to zookeeper clusters
The server info of volume server.
After succeeding in registration, it is meant that connection is had built up between server and zookeeper, while also implying that server
Under monitoring already at zookeeper clusters, zookeeper clusters with real-time monitoring and can judge connected server
State, the ip addresses and the corresponding service list of port information generation according to server.
Service list can at least provide the ip address informations of corresponding server, can also include other additional letters
Breath, such as priority information of ip addresses of the server etc., when client access server the priority is may be referred to
Information is come the server needed for accessing.
Corresponding server should be the server of normal work in service list, in the present embodiment, pass through
Zookeeper cluster monitorings each servers can also include：Monitor the connection feelings of each server and zookeeper clusters
Condition, and the server of connection failure is removed from service list.When certain server due to it is unreachable, crash or it is a variety of other
Reason causes the connection failure and zookeeper between, and now the server is considered failed server, can be by clothes
The relevant information of the server in business list is removed.Service list now comprises only the letter of other normal servers of connection
Breath, so that client can normally access required server after service list is received, without there is having accessed event
The server of barrier and caused other problemses.
Then, there is inaccessible situation between server and zookeeper, also have between zookeeper and server
Recover the situation of connection；When connection is recovered between server and zookeeper clusters, then the server can be continued to add
Into service list.
In the present embodiment, the service list of corresponding server is sent to client in the access request according to client
After end, can also include：Service list is cached into client.Client after service list is received, in order to rear
The continuous convenience for processing, service list is cached, then when subsequently being intended to access corresponding server, is asked without the need for initiating to access
Ask, directly corresponding server can be accessed according to the service list of caching.And if service list there occurs change, such as certain
The deadlock of platform server is offline, or has newly increased server, and zookeeper clusters can automatically notify the client again again
Service list is obtained, at the same time, then the service list of caching can be removed.
A kind of load-balancing method is present embodiments provided, by each server of zookeeper cluster monitorings, is received and
From the access request of client, and the service list of corresponding server is sent to by client, Ran Hougen according to access request
Client is accessed into corresponding server according to service list.By the enforcement of the present embodiment, can be subtracted by zookeeper clusters
Few Single Point of Faliure, while the cost needed for safeguarding is also reduced, additionally, zookeeper clusters need not dynamically configure correlation
Information, has saved the substantial amounts of time.
3rd embodiment
Fig. 4 is a kind of load-balancing method flow chart that the present embodiment three is provided, and is specifically included：
S401, the relevant environment of zookeeper clusters is built, and download the kit of correlation；
This is the initialization procedure of zookeeper, including creates the related hardware of zookeeper, and soft needed for writing
The information such as part code.
S402, the registration code for writing in each server zookeeper；
S403, startup server, by registration code zookeeper clusters are called, and are directly registered to zookeeper clusters
The server info of server；
By writing registration code in the server, server can be allowed just to directly invoke zookeeper collection on startup
Group is registered；In addition, registration process can also manually be carried out by user.
S404, succeed in registration after, each server receives the monitoring of zookeeper clusters；
After succeeding in registration, it is meant that connection is had built up between server and zookeeper, while also implying that server
Under monitoring already at zookeeper clusters, zookeeper clusters with real-time monitoring and can judge connected server
State, the ip addresses and the corresponding service list of port information generation according to server；Service list at least can be provided accordingly
Server ip address informations, other additional informations, such as the priority letter of the ip addresses of the server can also be included
Breath etc., the priority information is may be referred to when client access server to access required server.
S405, zookeeper cluster receives the access request from client, and is sent out service list according to access request
Give client；
During each server of zookeeper cluster monitorings, when certain server of discovery is due to unreachable, deadlock or a variety of
Other reasonses cause the connection failure and zookeeper between, and now the server is considered failed server, can be by
The relevant information of the server in service list is removed.Service list now comprises only other normal servers of connection
Information so that client can normally access required server after service list is received, without occurring accessing
The server of failure and caused other problemses；When connection is recovered between server and zookeeper clusters, then can be by
The server continues to add into service list.
S406, client is accessed by corresponding server according to service list.
Client, for the convenience of subsequent treatment, service list is cached after service list is received, then
When subsequently being intended to access corresponding server, without the need for initiating access request, directly phase can be accessed according to the service list of caching
The server answered.And if service list there occurs change, such as certain server deadlock is offline, or service is newly increased
Device, zookeeper clusters can automatically notify that the client reacquires again service list, at the same time, then can delay
The service list deposited is removed.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer takes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
Embodiments of the invention are described above in conjunction with accompanying drawing, but be the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematic, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of load balancing apparatus, it is characterised in that include：
Monitoring module, for by each server of distributed service framework cluster monitoring；
Receiver module, for receiving the access request from client；
Sending module, for the service list of the corresponding server being sent to institute according to the access request of the client
State client；
AM access module, for client to be accessed into the corresponding server according to the service list.
2. load balancing apparatus as claimed in claim 1, it is characterised in that also including Registering modules, for described in each
The registration code of distributed service framework is write in server, and is entered to distributed service framework cluster based on the registration code
Row registration；After succeeding in registration, the monitoring of the distributed service framework cluster is received.
3. load balancing apparatus as claimed in claim 2, it is characterised in that the Registering modules are additionally operable to：In the service
When device starts, distributed service framework cluster is called by the registration code, directly to the distributed service framework cluster
Register the server info of the server.
4. load balancing apparatus as described in any one of claim 1-3, it is characterised in that the monitoring module is additionally operable to：
Monitor the connection of each server and the distributed service framework cluster, and by the service of connection failure
Device is removed from the service list.
5. load balancing apparatus as described in any one of claim 1-3, it is characterised in that also including cache module, for will
The service list is cached into the client.
6. a kind of load-balancing method, it is characterised in that include：
By each server of distributed service framework cluster monitoring；
Receive the access request from client, and according to the access request of the client by the clothes of the corresponding server
Business list is sent to the client；
The client is accessed by the corresponding server according to the service list.
7. load-balancing method as claimed in claim 6, it is characterised in that supervised by distributed service framework cluster described
Before controlling each server, also include：The registration code of distributed service framework is write in each described server, and is based on
The registration code to distributed service framework cluster is registered；After succeeding in registration, receive the distributed service framework collection
The monitoring of group.
8. load-balancing method as claimed in claim 7, it is characterised in that it is described based on the registration code to distributed clothes
Business framework cluster carries out registration to be included：In the startup of server, distributed service framework is called by the registration code
Cluster, directly registers the server info of the server to the distributed service framework cluster.
9. the load-balancing method as described in any one of claim 6-8, it is characterised in that described by distributed service framework
Cluster monitoring each server includes：
Monitor the connection of each server and the distributed service framework cluster, and by the service of connection failure
Device is removed from the service list.
10. the load-balancing method as described in any one of claim 6-8, it is characterised in that described according to the client
Access request the service list of the corresponding server is sent to the client, also include：By the service
List is cached into the client.
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| CN110278227A (en) * | 2018-03-15 | 2019-09-24 | 阿里巴巴集团控股有限公司 | Service processing method, device and electronic equipment |
| CN111385324A (en) * | 2018-12-28 | 2020-07-07 | 广州市百果园信息技术有限公司 | Data communication method, device, equipment and storage medium |
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| CN111354124A (en) * | 2020-03-11 | 2020-06-30 | 北京创联云睿科技有限公司 | Intelligent Internet of things vending system, service equipment and vending machine |
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Application publication date: 20170510 |