CN108920637A - Method for synchronizing data of database and device applied to synchronization subsystem - Google Patents
Method for synchronizing data of database and device applied to synchronization subsystem Download PDFInfo
- Publication number
- CN108920637A CN108920637A CN201810707284.6A CN201810707284A CN108920637A CN 108920637 A CN108920637 A CN 108920637A CN 201810707284 A CN201810707284 A CN 201810707284A CN 108920637 A CN108920637 A CN 108920637A
- Authority
- CN
- China
- Prior art keywords
- update
- synchronization subsystem
- copy
- module
- operation log
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention provides the method for synchronizing data of database and device that are applied to synchronization subsystem, are related to database technical field, wherein should include applied to the method for synchronizing data of database of synchronization subsystem：First, after primary copy carries out the first update operation, the operation log that first updates operation is put into shared drive and stores by synchronization subsystem, need to be illustrated is, storage has primary copy to carry out the first specifying information for updating operation in aforesaid operations log, it is copied to after standby copy to the operation log, standby copy can be made to be updated according to operation log, later, after receiving the update request of standby copy, synchronization subsystem transfers operation log, in this way, operation log is pushed in standby copy and carries out the second update operation by synchronization subsystem, data can be kept consistent with primary copy after standby copy has executed the second update operation, to conveniently maintain the data consistency of primary copy and standby copy.
Description
Technical field
The present invention relates to database technical fields, more particularly to applied to the method for synchronizing data of database of synchronization subsystem
And device.
Background technique
In power network dispatching system, database is generallyd use to store the operation data of power equipment.Due to power equipment
Often it is divided into host and standby host, correspondingly, in order to preferably store the operation data in above equipment, existing data were synchronized
Journey is standby frequently with a master one or a main prepare more mode, host and standby host data processing are consistent.But it is different from host
It is that standby host no longer outwardly sends alarm, the information such as control command, it is completely the same that standby machine writes database manipulation, is answered by business
With keeping real-time database in standby machine that identical data is written simultaneously, to guarantee that the data in standby machine real-time database are consistent.
Real-time data base is disposed using standby machine mode in existing automation system for the power network dispatching, but such data are synchronous
Mode depends on system business application, forces service application in standby machine node while running identical services to synchronize real-time number
According to library, but above-mentioned while processing mode causes the synchronous process of data cumbersome, and intermediate link is more, and data synchronous safety is poor.
Summary of the invention
In view of this, the database in phase of the embodiment of the present invention being designed to provide applied to synchronization subsystem
Method and device carries out first by storage primary copy and updates the operation log in operating, and operation log has been sent to more
The standby copy of new demand improves data holding in database and synchronizes consistent convenience.
In a first aspect, the embodiment of the invention provides the method for synchronizing data of database for being applied to synchronization subsystem, including：
After primary copy carries out the first update operation, the operation log that described first updates operation is put by synchronization subsystem
It is stored in shared drive；
After receiving the update request of standby copy, the synchronization subsystem transfers the operation log；
The operation log is pushed in standby copy and carries out the second update operation by the synchronization subsystem.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating synchronization subsystem includes update module, it is described primary copy carry out first update operation after, synchronization subsystem is by described first
Update operation operation log be put into and stored in shared drive before, including：
The update module obtains local update data；
The local update data are sent to the primary copy by the update module；
The update module controls the primary copy and carries out the first update operation.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein described after primary copy carries out the first update operation, synchronization subsystem is updated described first to be grasped
The operation log of work, which is put into shared drive, to be stored, including：
Whether the first update operation that the update module monitors the primary copy is completed；
After the completion of listening to the first update operation, it is corresponding that the update module obtains the first update operation
The operation log；
Node is total to where the operation log is put into the primary copy by operation log interface by the update module
It enjoys in memory and being stored.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
Stating synchronization subsystem includes pulling module, and described after receiving the update request of standby copy, the synchronization subsystem transfers institute
Operation log is stated, including：
The module that pulls monitors whether the standby copy issues the update request；
After listening to the standby copy and issuing the update request, the module that pulls is searched and update request phase
Node where corresponding primary copy；
The module that pulls obtains the operation log from the corresponding shared drive of the node.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
Stating synchronization subsystem includes pushing module, and the operation log is pushed in standby copy and carries out second more by the synchronization subsystem
New operation, including：
The pushing module reads the operation log by the operation log interface；
The operation log is sent standby copy by the pushing module；
The pushing module control standby copy carries out second and updates operation.
Second aspect, the embodiment of the invention provides the database in phase devices for being applied to synchronization subsystem, including：
First update module；For after primary copy carries out the first update operation；Synchronization subsystem is updated first to be operated
Operation log be put into shared drive and stored；
Module is transferred in log；For after receiving the update request of standby copy；Synchronization subsystem transfers operation log；
Second update module；Operation log is pushed in standby copy for synchronization subsystem and carries out the second update operation.
The third aspect, the embodiment of the present invention also provide a kind of terminal, including memory and processor, and memory is for depositing
Storage supports processor to execute the program for the method for synchronizing data of database applied to synchronization subsystem that above-mentioned aspect provides, processing
Device is configurable for executing the program stored in memory.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, computer readable storage medium
On be stored with computer program, when computer program is run by processor execute any of the above-described method the step of.
Method for synchronizing data of database and device provided in an embodiment of the present invention applied to synchronization subsystem, wherein should
Method for synchronizing data of database applied to synchronization subsystem includes：Firstly, being wrapped in the real-time data base that standby machine mode is disposed
Host and standby host are included, in general, what is run on host is known as primary copy, what is run on standby host is known as standby copy, in this way, in master
After copy carries out the first update operation, the operation log that first updates operation is put into shared drive and deposits by synchronization subsystem
Storage, aforesaid operations log include that primary copy carries out the first all Step Informations etc. for updating operation, later, have update in standby copy
When demand, after receiving the update request of standby copy, synchronization subsystem transfers operation log, needs to be illustrated, with
Standby copy is set to can be realized update operation identical with primary copy after executing aforesaid operations log, i.e. synchronization subsystem will operate
Log, which is pushed in standby copy, carries out the second update operation, to accurately easily realize the synchronization to database data.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the applied to the method for synchronizing data of database of synchronization subsystem provided by the embodiment of the present invention
One flow chart；
Fig. 2 shows be applied to walk in the method for synchronizing data of database of synchronization subsystem provided by the embodiment of the present invention
The sub-process figure of rapid S101；
Fig. 3 shows in the method for synchronizing data of database for being applied to synchronization subsystem provided by the embodiment of the present invention and walks
The sub-process figure of rapid S102；
Fig. 4 shows in the method for synchronizing data of database for being applied to synchronization subsystem provided by the embodiment of the present invention and walks
The sub-process figure of rapid S103；
Fig. 5 shows the knot provided by the embodiment of the present invention applied to the database in phase device of synchronization subsystem
Structure connection figure.
Icon：The first update module of 1-；Module is transferred in 2- log；The second update module of 3-.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Currently, real time distributed database is usually disposed using standby machine mode in automation system for the power network dispatching, but
Such data method of synchronization depends on system business application, in this way, service application runs the mutually same trade simultaneously in standby machine node
It is engaged in synchronize distributing real-time data bank, but existing processing mode causes the synchronous process of data cumbersome, intermediate link is more, data
Synchronous safety is poor.
Based on this, the embodiment of the invention provides be applied to synchronization subsystem method for synchronizing data of database and device,
It is described below by embodiment.
Embodiment 1
The database in phase side applied to synchronization subsystem proposed referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment
Method specifically includes following steps：
Step S101：After primary copy carries out the first update operation, synchronization subsystem updates the operation day operated for first
Will is put into shared drive and is stored.
It include host and standby host (root in the real-time data base disposed in a manner of standby machine firstly the need of being illustrated
According to the needs of application scenarios sometimes for using multiple standby hosts), in general, what is run on host is known as primary copy, on standby host
Operation is known as standby copy.When the data of database have update, the data of host and standby host require to be updated.Pass through this
Method can make host and standby host, and conveniently asynchronous execution updates operation.
When it is implemented, synchronization subsystem can transfer relevant operation log after primary copy carries out the first update operation,
It needs to be illustrated, includes that primary copy carries out the first all Step Informations etc. for updating operation in aforesaid operations log, adjust
It is deposited into shared drive after taking relevant operation log.
Step S102：After receiving the update request of standby copy, synchronization subsystem transfers operation log.
Since it is also accordingly uncertain for the number of copy that the number of standby host, which is uncertain,.When there is standby copy to need
It can be sent to synchronization subsystem when being updated operation and update request, so that synchronization subsystem, which is transferred, requests phase with above-mentioned update
Corresponding operation log.
Step S103：Operation log is pushed in standby copy and carries out the second update operation by synchronization subsystem.
Later, the operation log being deployed into is pushed to by synchronization subsystem and is sent in the standby copy for updating request, made standby
Copy carries out second according to operation log and updates operation, i.e. synchronization subsystem is operated according to the second update of operation log progress,
To be consistent with primary copy.
Above-mentioned synchronization subsystem includes update module, and above-mentioned steps S101 is after primary copy carries out the first update operation, together
Before the operation log that first updates operation is put into and is stored in shared drive by subsystem, including：
(1) update module obtains local update data, i.e., when primary copy will carry out the first update operation, update module is gone
It obtains primary copy and is updated the local update data to be executed.
(2) after, local update data are sent to primary copy by update module, it should be noted that due in database
It is typically stored with mass data, update module is needed to go to obtain local update data in the mass data in corresponding storage region
It is sent to primary copy.
(3) update module control primary copy carries out the first update operation.In implementation process, update module controls primary copy
First is carried out according to local update data and updates operation, also, in the implementation process for updating operation above-mentioned first, can generate phase
The operation log answered, the operation log include that primary copy carries out the first all Step Informations etc. for updating operation.
Above-mentioned each step is described in detail below, above-mentioned steps S101：First, which is carried out, in primary copy updates operation
Afterwards, the operation log that first updates operation is put into shared drive and stores by synchronization subsystem, including：
Step S1011：Whether the first update operation that update module monitors primary copy is completed.Due to, primary copy according to
Local update data carry out needing to expend certain time length when the first update operation, in order to guarantee the integrality of primary copy update, more
Whether the first update operation that new module monitors primary copy in real time is completed.
Step S1012：Later, after the completion of listening to above-mentioned first update operation, update module obtains first and updates behaviour
Make corresponding operation log, need to be illustrated, operation log recording primary copy carries out first and update operation being undergone
Whole operation process.
Step S1013：Later, node where operation log is put into primary copy by operation log interface by update module
It is stored in shared drive.By the way that special operation log interface is arranged, it can make aforesaid operations log is convenient accurately to put
Enter in shared drive corresponding with node where primary copy.
In addition, above-mentioned synchronization subsystem includes pulling module, above-mentioned steps S102：When the update for receiving standby copy is requested
Afterwards, synchronization subsystem transfers operation log, including：
Step S1021：It pulls module and monitors whether standby copy issues update request, since the number of standby copy is more, is
Effectively judge which is updated request for copy needs, in the specific implementation, pulling module and in real time monitoring is for copy
No sending updates request.
Step S1022：In this way, pulling module after listening to standby copy sending and updating request and searching and update request phase
Node where corresponding primary copy, since standby copy needs to carry out same update with corresponding primary copy to operate, standby having
Copy issues the node that first searched where corresponding primary copy after update is requested.
Step S1023：Later, it pulls module and obtains operation log from the corresponding shared drive of above-mentioned node, to protect
The accuracy that standby copy is updated operation is demonstrate,proved.
In addition, above-mentioned synchronization subsystem includes pushing module, above-mentioned steps S103：Synchronization subsystem pushes operation log
Second is carried out into standby copy updates operation, including：
Step S1031：In implementation process, after pulling module and getting operation log, pushing module passes through above-mentioned behaviour
Make the particular content of log interface read operation log, especially when operation log is encrypted or is performed rear, needs to draw
Modulus block specifically reads out the particular content of operation log by corresponding decryption oprerations and parsing operation.
Step S1032：Later, aforesaid operations log is sent standby copy by pushing module, so that standby copy can call
To aforesaid operations log.
Step S1033：Later, pushing module controls standby copy and carries out the second update operation according to aforesaid operations log.This
In need to be illustrated, standby copy being capable of data in the database corresponding with primary copy after having executed the second update operation
It is consistent.
In conclusion the method for synchronizing data of database provided in this embodiment applied to synchronization subsystem includes：Firstly,
After primary copy carries out the first update operation, the operation log that above-mentioned first updates operation is put into shared drive by synchronization subsystem
In stored, later, after receiving the update request of standby copy, synchronization subsystem transfers operation day from shared drive
Will makes standby copy carry out second according to operation log and updates behaviour in this way, operation log is pushed in standby copy by synchronization subsystem
Make, make, data synchronize convenient and efficient, and then it is cumbersome to eliminate the synchronous process of data, and effective guarantee data synchronous safety is poor.
Embodiment 2
Referring to Fig. 5, present embodiments provides and include applied to the database in phase device of synchronization subsystem：
First update module 1, for after primary copy carries out the first update operation, synchronization subsystem is updated first to be operated
Operation log be put into shared drive and stored；
Module 2 is transferred in log, for after receiving the update request of standby copy, synchronization subsystem to transfer operation log；
Operation log is pushed in standby copy for synchronization subsystem and carries out the second update operation by the second update module 3.
Database in phase device provided in an embodiment of the present invention applied to synchronization subsystem, mentions with above-described embodiment
The technical characteristic having the same of the method for synchronizing data of database applied to synchronization subsystem supplied, so also can solve identical
Technical problem reaches identical technical effect.
The embodiment of the invention also provides a kind of terminal, including memory and processor, memory is supported for storing
Processor executes the program of above-described embodiment method, and processor is configurable for executing the program stored in memory.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, when computer program is run by processor the step of the method for execution any of the above-described.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
It is applied to the method for synchronizing data of database and device of synchronization subsystem, realization principle and production provided by the embodiment of the present invention
Raw technical effect is identical with preceding method embodiment, and to briefly describe, Installation practice part does not refer to place, before can refer to
State corresponding contents in embodiment of the method.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent portion can also be integrated to form with two or more modules
Point.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence, indication or suggestion relative importance can not be interpreted as.Moreover, term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
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 (8)
1. being applied to the method for synchronizing data of database of synchronization subsystem, which is characterized in that including：
After primary copy carries out the first update operation, the operation log that described first updates operation is put into shared by synchronization subsystem
It is stored in memory；
After receiving the update request of standby copy, the synchronization subsystem transfers the operation log；
The operation log is pushed in standby copy and carries out the second update operation by the synchronization subsystem.
2. the method for synchronizing data of database according to claim 1 applied to synchronization subsystem, which is characterized in that described
Synchronization subsystem includes update module, it is described primary copy carry out first update operation after, synchronization subsystem by described first more
The operation log newly operated is put into stored in shared drive before, including：
The update module obtains local update data；
The local update data are sent to the primary copy by the update module；
The update module controls the primary copy and carries out the first update operation.
3. the method for synchronizing data of database according to claim 2 applied to synchronization subsystem, which is characterized in that described
After primary copy carries out the first update operation, the operation log that described first updates operation is put into shared drive by synchronization subsystem
In stored, including：
Whether the first update operation that the update module monitors the primary copy is completed；
After the completion of listening to described first and updating operation, the update module obtains described first, and to update operation corresponding described
Operation log；
Sharing for node where the operation log is put into the primary copy by operation log interface by the update module is interior
It is stored in depositing.
4. the method for synchronizing data of database according to claim 1 applied to synchronization subsystem, which is characterized in that described
Synchronization subsystem includes pulling module, and described after receiving the update request of standby copy, the synchronization subsystem is transferred described
Operation log, including：
The module that pulls monitors whether the standby copy issues the update request；
After listening to the standby copy and issuing the updates request, described to pull module lookup corresponding with the update request
Primary copy where node；
The module that pulls obtains the operation log from the corresponding shared drive of the node.
5. the method for synchronizing data of database according to claim 1 applied to synchronization subsystem, which is characterized in that described
Synchronization subsystem includes pushing module, and the operation log is pushed in standby copy and carries out the second update by the synchronization subsystem
Operation, including：
The pushing module reads the operation log by the operation log interface；
The operation log is sent standby copy by the pushing module；
The pushing module control standby copy carries out second and updates operation.
6. being applied to the database in phase device of synchronization subsystem, which is characterized in that including：
First update module, for after primary copy carries out the first update operation, synchronization subsystem is updated described first to be operated
Operation log be put into shared drive and stored；
Module is transferred in log, for after receiving the update request of standby copy, the synchronization subsystem to transfer the operation day
Will；
The operation log is pushed in standby copy for the synchronization subsystem and carries out the second update behaviour by the second update module
Make.
7. a kind of terminal, which is characterized in that including memory and processor, the memory supports processor to hold for storing
The program of any one of row claim 1 to 5 the method, the processor is configured to being stored in the memory for executing
Program.
8. a kind of computer readable storage medium, computer program is stored on computer readable storage medium, which is characterized in that
The step of any one of the claims 1 to 5 the method is executed when computer program is run by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707284.6A CN108920637A (en) | 2018-07-02 | 2018-07-02 | Method for synchronizing data of database and device applied to synchronization subsystem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707284.6A CN108920637A (en) | 2018-07-02 | 2018-07-02 | Method for synchronizing data of database and device applied to synchronization subsystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108920637A true CN108920637A (en) | 2018-11-30 |
Family
ID=64424079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707284.6A Pending CN108920637A (en) | 2018-07-02 | 2018-07-02 | Method for synchronizing data of database and device applied to synchronization subsystem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108920637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506710A (en) * | 2020-12-16 | 2021-03-16 | 深信服科技股份有限公司 | Distributed file system data repair method, device, equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070239719A1 (en) * | 2003-12-04 | 2007-10-11 | International Business Machines Corporation | High performance support for xa protocols in a clustered shared database |
| CN102891873A (en) * | 2011-07-21 | 2013-01-23 | 腾讯科技（深圳）有限公司 | Method for storing log data and log data storage system |
| CN103744906A (en) * | 2013-12-26 | 2014-04-23 | 乐视网信息技术（北京）股份有限公司 | System, method and device for data synchronization |
| CN104239476A (en) * | 2014-09-04 | 2014-12-24 | 上海天脉聚源文化传媒有限公司 | Method, device and system for synchronizing databases |
| CN107330035A (en) * | 2017-06-26 | 2017-11-07 | 努比亚技术有限公司 | Operation Log synchronous method, mobile terminal and computer-readable recording medium in a kind of database |
| CN108170768A (en) * | 2017-12-25 | 2018-06-15 | 腾讯科技（深圳）有限公司 | database synchronization method, device and readable medium |
-
2018
- 2018-07-02 CN CN201810707284.6A patent/CN108920637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070239719A1 (en) * | 2003-12-04 | 2007-10-11 | International Business Machines Corporation | High performance support for xa protocols in a clustered shared database |
| CN102891873A (en) * | 2011-07-21 | 2013-01-23 | 腾讯科技（深圳）有限公司 | Method for storing log data and log data storage system |
| CN103744906A (en) * | 2013-12-26 | 2014-04-23 | 乐视网信息技术（北京）股份有限公司 | System, method and device for data synchronization |
| CN104239476A (en) * | 2014-09-04 | 2014-12-24 | 上海天脉聚源文化传媒有限公司 | Method, device and system for synchronizing databases |
| CN107330035A (en) * | 2017-06-26 | 2017-11-07 | 努比亚技术有限公司 | Operation Log synchronous method, mobile terminal and computer-readable recording medium in a kind of database |
| CN108170768A (en) * | 2017-12-25 | 2018-06-15 | 腾讯科技（深圳）有限公司 | database synchronization method, device and readable medium |
Non-Patent Citations (1)
| Title |
|---|
| 廖国琼: "日志驱动主从弱一致性实时复制策略", 《第二十二届中国数据库学术会议论文集》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506710A (en) * | 2020-12-16 | 2021-03-16 | 深信服科技股份有限公司 | Distributed file system data repair method, device, equipment and storage medium |
| CN112506710B (en) * | 2020-12-16 | 2024-02-23 | 深信服科技股份有限公司 | Distributed file system data restoration method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105338078B (en) | Date storage method and device for storage system | |
| US11314779B1 (en) | Managing timestamps in a sequential update stream recording changes to a database partition | |
| US8090917B2 (en) | Managing storage and migration of backup data | |
| CN100375047C (en) | Management method for computer log | |
| CN103946844A (en) | Synchronizing updates across cluster filesystems | |
| CN103425529A (en) | System and method for migrating virtual machines between networked computing environments based on resource utilization | |
| CN102272751B (en) | Data integrity in a database environment through background synchronization | |
| CN112069265A (en) | Configuration data synchronization method, service data system, computer system and medium | |
| CN109144785A (en) | Method and apparatus for Backup Data | |
| TW201434300A (en) | Service migration across cluster boundaries | |
| CN110336834A (en) | Treating method and apparatus for firewall policy | |
| CN106648993B (en) | The method and device of consistency group snapshot management | |
| CN103701913A (en) | Data synchronization method and device | |
| US10430470B2 (en) | Techniques for managing persistent document collections | |
| US20150370647A1 (en) | Directed backup for massively parallel processing databases | |
| CN107656937A (en) | Method and apparatus for realizing read-write data consistency | |
| CN102571923A (en) | Data synchronization system and method | |
| CN108156030A (en) | The method and device that a kind of configuration strategy synchronizes | |
| CN1928830A (en) | Method and apparatus for asynchronous replication of data | |
| CN110334145A (en) | The method and apparatus of data processing | |
| CN109828980A (en) | Data cache method, device, terminal and storage medium | |
| CN110784347A (en) | Node management method, system, equipment and storage medium for container cluster | |
| CN109492200A (en) | Cooperated documents restoring method, device, storage medium and electronic equipment | |
| CN102982171A (en) | Database synchronization method | |
| CN103270520A (en) | Importance class based data management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
|
| RJ01 | Rejection of invention patent application after publication |