CN105227366B - Safeguard the method and system of the consistency of distributed data - Google Patents
Safeguard the method and system of the consistency of distributed data Download PDFInfo
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- CN105227366B CN105227366B CN201510665905.5A CN201510665905A CN105227366B CN 105227366 B CN105227366 B CN 105227366B CN 201510665905 A CN201510665905 A CN 201510665905A CN 105227366 B CN105227366 B CN 105227366B
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Abstract
The present invention is suitable for field of communication technology, provides the method and system for the consistency for safeguarding distributed data.This method includes：Monitoring management node sends reload instruction in the heavy duty request for receiving user's transmission to main transaction node；Reload instruction is sent to first for transaction node and second for transaction node by main transaction node；First caches the transaction instruction of main transaction node for transaction node and second for transaction node according to reload instruction；First creates restoring data collection for transaction node according to transaction data, and after the completion of restoring data collection creates, and sends to create and completes information to monitoring management node and second for transaction node；First is recurred for transaction node according to the transaction instruction of the main transaction node of caching；Second restores transaction data for transaction node according to restoring data collection, and after the completion of transaction data restores, is recurred according to the transaction instruction of the main transaction node of caching.The present invention maintains the consistency of distributed data.
Description
Technical field
The invention belongs to fields of communication technology, more particularly to safeguard the method and system of the consistency of distributed data.
Background technology
With being gradually expanded for securities trading scale, sequencing, the construction for quantifying transaction platform are also paid more and more attention.It is existing
Some securities exchange systems use distributed system, in distributed transaction system, need to ensure with the transaction node organized
Data consistency.
In the prior art, after some transaction node breaks down, due to being difficult to not interrupt or do not influencing normally to transport
In the case of the transaction node of work, by the data of the transaction node of normal operation to keep the requirement of data consistency to restore to
In the transaction node of reparation, therefore, even if after the transaction node to break down is repaired, it is also difficult to restore the number of the transaction node
According to.
Invention content
In consideration of it, an embodiment of the present invention provides a kind of method and system of consistency that safeguarding distributed data, with solution
The problem of certainly prior art is difficult to safeguard the consistency of distributed data in the transaction node to break down.
In a first aspect, an embodiment of the present invention provides a kind of methods of consistency that safeguarding distributed data, including：
Monitoring management node sends reload instruction in the heavy duty request for receiving user's transmission to main transaction node；
The reload instruction is sent to first for transaction node and second for transaction node by the main transaction node；
Described first caches the main transaction for transaction node with described second for transaction node according to the reload instruction
The transaction instruction of node；
Described first creates restoring data collection for transaction node according to transaction data, and has been created in the restoring data collection
Cheng Hou sends to create and completes information to the monitoring management node and described second for transaction node；
Described first is recurred for transaction node according to the transaction instruction of the main transaction node of caching；
Described second restores the transaction data for transaction node according to the restoring data collection, and in the transaction data
After the completion of recovery, recurred according to the transaction instruction of the main transaction node of caching.
Second aspect, an embodiment of the present invention provides a kind of systems of consistency that safeguarding distributed data, including：
Monitoring management node, main transaction node, first are for transaction node and second for transaction node；
The monitoring management node, in the heavy duty request for receiving user's transmission, weight to be sent to main transaction node
Carry instruction；
The main transaction node is saved for the reload instruction to be sent to first for transaction node and the second standby transaction
Point；
Described first for transaction node, the transaction instruction for caching the main transaction node according to the reload instruction,
Restoring data collection is created according to transaction data, and after the completion of the restoring data collection creates, sends to create and complete information to institute
Monitoring management node is stated with described second for transaction node, and is carried out according to the transaction instruction of the main transaction node of caching
It recurs；
Described second for transaction node, the transaction instruction for caching the main transaction node according to the reload instruction,
Restore the transaction data according to the restoring data collection, and after the completion of the transaction data restores, according to caching
The transaction instruction of main transaction node is recurred.
Existing advantageous effect is the embodiment of the present invention compared with prior art：The embodiment of the present invention passes through the first standby transaction
Node according to transaction data create restoring data collection, second for transaction node according to restoring data collection restore transaction data, first
Standby transaction node is recurred with the second transaction instruction for transaction node further according to the main transaction node of caching, it is thus achieved that
In the case where not influencing the normal operation of main transaction node, the transaction data restored will be needed extensive for transaction node by first
It is multiple to improve the robustness of distributed system to the second transaction node to maintain the consistency of distributed data.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the system architecture diagram of the system of the consistency provided in an embodiment of the present invention for safeguarding distributed data；
Fig. 2 is the implementation flow chart of the method for the consistency provided in an embodiment of the present invention for safeguarding distributed data.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the system architecture diagram of the system of the consistency provided in an embodiment of the present invention for safeguarding distributed system,
For convenience of description, it illustrates only and the relevant part of the embodiment of the present invention.
Referring to Fig.1, which includes：
Monitoring management node 11, main transaction node 12, first are for transaction node 13 and second for transaction node 14.
It should be noted that the system can also include more standby transaction nodes, and can also include that data backup takes
Business device.
The monitoring management node 11, in the heavy duty request for receiving user's transmission, being sent out to main transaction node 12
Send reload instruction；
The main transaction node 12, for the reload instruction to be sent to first for transaction node 13 and the second standby transaction
Node 14；
Described first for transaction node 13, and the affairs for caching the main transaction node 12 according to the reload instruction refer to
It enables, restoring data collection is created according to transaction data, and after the completion of the restoring data collection creates, send to create and complete information extremely
The affairs of the monitoring management node 11 and the main transaction node 12 described second for transaction node 14, and according to caching
Instruction is recurred；
Described second for transaction node 14, and the affairs for caching the main transaction node 12 according to the reload instruction refer to
It enables, the transaction data is restored according to the restoring data collection, and after the completion of the transaction data restores, according to the institute of caching
The transaction instruction for stating main transaction node 12 is recurred.
Preferably, the reload instruction carries the user and asks to create the standby transaction node of the restoring data collection
Information.
Preferably, the main transaction node 12 is specifically used for：
The reload instruction is sent to first for transaction node 13 and second for transaction node 14 using multicasting technology.
Preferably, the main transaction node 12 is additionally operable to：
Encouraged using multicasting technology the main transaction node 12 transaction instruction be sent to described first for transaction node 13 with
Described second for transaction node 14.
Preferably, it described second is additionally operable to for transaction node 14：
After the completion of the transaction data restores, sends transaction data and restore to complete information to the monitoring management node
11。
It should be noted that the present embodiment first refers to a certain standby transaction node for transaction node, " first " is only herein
Statement and the convenience referred to are not meant to centainly to have the corresponding first standby friendship in the specific implementation of the present invention
Easy node.Similarly, second is also used for the purpose of statement for " second " in transaction node and refers to conveniently, is not meant to
Corresponding second is centainly had for transaction node in the specific implementation of the present invention.
The embodiment of the present invention creates restoring data collection, the second standby transaction section for transaction node by first according to transaction data
Point according to restoring data collection restore transaction data, first for transaction node and second for transaction node further according to the main transaction of caching
The transaction instruction of node is recurred, it is thus achieved that in the case where not influencing the normal operation of main transaction node, passes through
One will need the transaction data restored to restore to the second transaction node for transaction node, to maintain the consistent of distributed data
Property, improve the robustness of distributed system.
Fig. 2 shows the implementation flow chart of the method for the consistency provided in an embodiment of the present invention for safeguarding distributed data,
Details are as follows：
In step s 201, monitoring management node is sent out in the heavy duty request for receiving user's transmission to main transaction node
Send reload instruction.
In embodiments of the present invention, it breaks down in a certain standby transaction node, either standby transaction node is restarted or is added
In the case of one new standby transaction node, need to restore transaction data to this for transaction node.At this point, user passes through monitoring
Management node sends out heavily loaded request, to safeguard the consistency of the distributed data in distributed system by heavy duty request.When
When monitoring management node receives the heavy duty request of user's transmission, reload instruction is sent to main transaction node.
Preferably, the reload instruction carries user and asks to create the information of the standby transaction node of restoring data collection.
Wherein, reload instruction carries user and asks to create the information of the standby transaction node of restoring data collection.For example, occurring
The standby transaction node of failure is second for transaction node, then the standby transaction node for the establishment restoring data collection that reload instruction carries
Information is first for other standby transaction nodes not broken down in transaction node or same group.
In step S202, reload instruction is sent to first and is saved for transaction node and the second standby transaction by main transaction node
Point.
It should be noted that in the same set, including a main transaction node and at least two is for transaction node.When main friendship
When easy nodes break down, it is main transaction node that one is switched for transaction node, and former main transaction node is switched to standby transaction
Node.
Preferably, reload instruction is sent to first and had for transaction node for transaction node and second by the main transaction node
Body is：
Reload instruction is sent to first for transaction node and second for transaction node by main transaction node using multicasting technology.
Reload instruction specifies the information for the standby transaction node for creating restoring data collection.In embodiments of the present invention, second
Standby transaction node breaks down, and the specified standby transaction node for creating restoring data collection of reload instruction is first for transaction node.
Preferably, reload instruction is sent to first for transaction node and second for transaction node in the main transaction node
Later, described first for transaction node and second for transaction node according to reload instruction cache main transaction node transaction instruction it
Before, method further includes：
The transaction instruction that main transaction node encourages main transaction node using multicasting technology is sent to first for transaction node and the
Two for transaction node.
In embodiments of the present invention, main transaction node not only handles transaction instruction, is also responsible for transaction instruction being multicasted to standby
Transaction node；Standby transaction node is only completed the recurrence of transaction instruction, and the multicast of not responsible transaction instruction.
In step S203, first caches the transaction instruction of main transaction node for transaction node according to reload instruction.
First for transaction node after receiving reload instruction, the transaction instruction of main transaction node is buffered in first and standby is handed over
In the corresponding pending queue of easy node.
In step S204, second caches the transaction instruction of main transaction node for transaction node according to reload instruction.
Second for transaction node after receiving reload instruction, the transaction instruction of main transaction node is buffered in second and standby is handed over
In the corresponding pending queue of easy node.
In step S205, first creates restoring data collection for transaction node according to transaction data.
In step S206, first for transaction node after the completion of restoring data collection creates, send create complete information extremely
Monitoring management node and second is for transaction node.
In step S207, first is recurred for transaction node according to the transaction instruction of the main transaction node of caching.
First for transaction node after the completion of restoring data collection creates, according to first for the corresponding pending team of transaction node
The transaction instruction of the main transaction node cached in row is recurred.
In step S208, second restores transaction data for transaction node according to restoring data collection.
Second for transaction node after receiving the first establishment for being sent for transaction node and completing information, according to restoring data
Collection restores transaction data.
Preferably, after second restores transaction data for transaction node according to restoring data collection, method further includes：
Second sends transaction data for transaction node restores to complete information to monitoring management node.
In step S209, second for transaction node after the completion of transaction data restores, according to the main transaction node of caching
Transaction instruction recurred.
Second for transaction node after the completion of transaction data restores, according to second for the corresponding pending queue of transaction node
The transaction instruction of the main transaction node of middle caching is recurred.
It should be understood that in embodiments of the present invention, size of the sequence numbers of the above procedures is not meant to the elder generation of execution sequence
Afterwards, the execution sequence of each process should be determined by its function and internal logic, the implementation process structure without coping with the embodiment of the present invention
At any restriction.
The embodiment of the present invention creates restoring data collection, the second standby transaction section for transaction node by first according to transaction data
Point according to restoring data collection restore transaction data, first for transaction node and second for transaction node further according to the main transaction of caching
The transaction instruction of node is recurred, it is thus achieved that in the case where not influencing the normal operation of main transaction node, passes through
One will need the transaction data restored to restore to the second transaction node for transaction node, to maintain the consistent of distributed data
Property, improve the robustness of distributed system.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of node and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of method of consistency that safeguarding distributed data, which is characterized in that including：
Monitoring management node sends reload instruction in the heavy duty request for receiving user's transmission to main transaction node；
The reload instruction is sent to first for transaction node and second for transaction node by the main transaction node；
Described first caches the main transaction node for transaction node with described second for transaction node according to the reload instruction
Transaction instruction；
Described first creates restoring data collection for transaction node according to transaction data, and creates and complete in the restoring data collection
Afterwards, it sends to create and completes information to the monitoring management node and described second for transaction node；
Described first is recurred for transaction node according to the transaction instruction of the main transaction node of caching；
Described second restores the transaction data for transaction node according to the restoring data collection, and restores in the transaction data
After the completion, it is recurred according to the transaction instruction of the main transaction node of caching；
Wherein, main transaction node normal operation is not being influenced, the friendship for being restored needs for transaction node by described first
Easy data are restored to described second for transaction node.
2. the method as described in claim 1, which is characterized in that the reload instruction carries the user and asks described in establishment
The information of the standby transaction node of restoring data collection.
3. the method as described in claim 1, which is characterized in that the reload instruction is sent to first by the main transaction node
It is specially for transaction node with second for transaction node：
The reload instruction is sent to first for transaction node and the second standby transaction by the main transaction node using multicasting technology
Node.
4. the method as described in claim 1, which is characterized in that the reload instruction is sent in the main transaction node
One for transaction node and second for transaction node after, described first for transaction node with described second for transaction node according to institute
Before stating the transaction instruction that reload instruction caches the main transaction node, the method further includes：
The transaction instruction of the main transaction node is sent to the described first standby transaction by the main transaction node using multicasting technology
Node is with described second for transaction node.
5. the method as described in claim 1, which is characterized in that described second for transaction node according to the restoring data collection
After restoring the transaction data, the method further includes：
Described second sends transaction data for transaction node restores to complete information to the monitoring management node.
6. a kind of system of consistency that safeguarding distributed data, which is characterized in that including：
Monitoring management node, main transaction node, first are for transaction node and second for transaction node；
The monitoring management node, in the heavy duty request for receiving user's transmission, sending heavy duty to main transaction node and referring to
It enables；
The main transaction node, for the reload instruction to be sent to first for transaction node and second for transaction node；
Described first for transaction node, the transaction instruction for caching the main transaction node according to the reload instruction, according to
Transaction data creates restoring data collection, and after the completion of the restoring data collection creates, and sends to create and completes information to the prison
Management node is controlled with described second for transaction node, and weight is carried out according to the transaction instruction of the main transaction node of caching
It drills；
Described second for transaction node, the transaction instruction for caching the main transaction node according to the reload instruction, according to
The restoring data collection restores the transaction data, and after the completion of the transaction data restores, according to the main friendship of caching
The transaction instruction of easy node is recurred；Wherein, main transaction node normal operation is not being influenced, by the described first standby friendship
Easy node will need the transaction data restored to restore to described second for transaction node.
7. system as claimed in claim 6, which is characterized in that the reload instruction carries the user and asks described in establishment
The information of the standby transaction node of restoring data collection.
8. system as claimed in claim 6, which is characterized in that the main transaction node is specifically used for：
The reload instruction is sent to first for transaction node and second for transaction node using multicasting technology.
9. system as claimed in claim 6, which is characterized in that the main transaction node is additionally operable to：
The transaction instruction of the main transaction node is sent to described first for transaction node and described second using multicasting technology
Standby transaction node.
10. system as claimed in claim 6, which is characterized in that described second is additionally operable to for transaction node：
After the completion of the transaction data restores, sends transaction data and restore to complete information to the monitoring management node.
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| CN101997911B (en) * | 2010-10-21 | 2015-07-22 | 中兴通讯股份有限公司 | Data migration method and system |
| CN102467508A (en) * | 2010-11-04 | 2012-05-23 | 中兴通讯股份有限公司 | Method for providing database service and database system |
| CN103198159B (en) * | 2013-04-27 | 2016-01-06 | 国家计算机网络与信息安全管理中心 | A kind of many copy consistency maintaining methods of isomeric group reformed based on affairs |
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