CN110209534A - The system and method for automated back-up mysql database - Google Patents
The system and method for automated back-up mysql database Download PDFInfo
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- CN110209534A CN110209534A CN201910516092.1A CN201910516092A CN110209534A CN 110209534 A CN110209534 A CN 110209534A CN 201910516092 A CN201910516092 A CN 201910516092A CN 110209534 A CN110209534 A CN 110209534A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/80—Database-specific techniques
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- General Engineering & Computer Science (AREA)
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention relates to the redundancy techniques of mysql database, it discloses a kind of system and methods of automated back-up mysql database, it solves in traditional technology when needing to check data, local data base is first imported again from mysql database export data, the occupancy plenty of time leads to ineffective problem.System in the present invention includes: actual data library, backup database, actual data library micro services module, backup database micro services module and java scheduler；Wherein, actual data library micro services module, backup database micro services module and java scheduler deployment are in same server；The starting of java scheduler timing, by calling actual data library micro services module accesses actual data library, by calling backup database micro services module accesses backup database, comparison based on the field in the table in backup database and actual data library, changed data are searched in actual data library, and changed data are updated to backup database.
Description
Technical field
The present invention relates to the redundancy techniques of mysql database, and in particular to the system of automated back-up mysql database and side
Method.
Background technique
Often only DBA (database administrator) possesses read-write to mysql database to one regular project construction environment
Permission, and developer generally only possesses read-only authority.When operation and financial staff need to check data, it is necessary to by DBA
All data in mysql database are first exported, local data base are then imported data to by developer, to pass through sql
Sentence, which inquires target data and exports excel table, is supplied to operation and financial staff.
However, but with the increase of portfolio, data volume also sharp increase first exports data when needing to check data
The operation for importing local data base again occupies the plenty of time, causes working efficiency low.
Summary of the invention
The technical problems to be solved by the present invention are: proposing a kind of system and method for automated back-up mysql database, solve
Certainly in traditional technology when needing to check data, Yao Xiancong mysql database export data import local data base again, occupy big
The amount time leads to ineffective problem.
The technical proposal adopted by the invention to solve the above technical problems is that:
The system of automated back-up mysql database, comprising: actual data library, backup database, actual data library micro services
Module, backup database micro services module and java scheduler；Wherein, actual data library micro services module, backup database
Micro services module and java scheduler deployment are in same server；
The actual data library is the mysql database that projects use；
The backup database is the data that the data in the mysql database for using projects are backed up
Library, and possess identical table and field with actual data library, and contain field in each table: from increase major key id, renewal time and
Logic deleted marker position；
The actual data library micro services module connects actual data library；
The backup database micro services module connects backup database；
The java scheduler timing starting, for by calling actual data library micro services module accesses actual data
Library, by calling backup database micro services module accesses backup database, based in backup database and actual data library
Changed data are searched in the comparison of field in table in actual data library, and changed data are updated to backup
Database.
As advanced optimizing, the data of the variation include: newly-increased, change and the data deleted.
By the way that increasing newly, changing and deleting, data search and backup is able to maintain backup database and actual data library
In data it is consistent.
As advanced optimizing, the comparison of the field in the table based in backup database and actual data library,
Changed data are searched in actual data library, and changed data are updated to backup database, are specifically included:
The id for obtaining the last item data in the table in backup database, by each number in the table in this id and actual data library
According to id be compared, in the table in actual data library it is all possess id greater than this id data be increase newly data, will increase newly
Data be inserted into the correspondence table of backup database；
The id for obtaining the last item data in the table in backup database, by each number in the table in this id and actual data library
According to id be compared, all id that possess are less than or equal to this id in the table in actual data library, and renewal time was between last time
Java scheduler starts between time and current time, and the data that logic deleted marker position is 0 are the data updated, will be updated
Data be updated in the correspondence table of backup database；
Search actual data library in table in renewal time between last time java scheduler starting the time and current time it
Between, and the data that logic deleted marker position is 1 are the data deleted, and the logic of corresponding data is deleted mark in backup database
Will position is 1, and renewal time field is updated to as actual data library.
Changed data can be quickly searched by the comparison of field, to improve backup efficiency.
As advanced optimizing, the actual data library micro services module and backup database micro services module are used
Restful interface, it is only open to java scheduler.
It is only open to java scheduler using restful interface, it does not open to the outside world, then can guarantee the data in database
Safety, also, the calling of interface is not needed using token security mechanism yet.
In addition, be applied in above system the present invention also provides a kind of method of automated back-up mysql database,
Include:
The starting of java scheduler timing passes through tune by calling actual data library micro services module accesses actual data library
With backup database micro services module accesses backup database, based on the field in the table in backup database and actual data library
Comparison, changed data are searched in actual data library, changed data are updated to backup database.
As advanced optimizing, time of the java scheduler timing starting determines with portfolio according to demand.
Determine that the time of java scheduler timing starting can satisfy backup requirements with portfolio according to demand.
As advanced optimizing, the data of the variation include: newly-increased, change and the data deleted.
By the way that increasing newly, changing and deleting, data search and backup is able to maintain backup database and actual data library
In data it is consistent.
As advanced optimizing, the comparison of the field in the table based in backup database and actual data library,
Changed data are searched in actual data library, and changed data are updated to backup database, are specifically included:
The id for obtaining the last item data in the table in backup database, by each number in the table in this id and actual data library
According to id be compared, in the table in actual data library it is all possess id greater than this id data be increase newly data, will increase newly
Data be inserted into the correspondence table of backup database；
The id for obtaining the last item data in the table in backup database, by each number in the table in this id and actual data library
According to id be compared, all id that possess are less than or equal to this id in the table in actual data library, and renewal time was between last time
Java scheduler starts between time and current time, and the data that logic deleted marker position is 0 are the data updated, will be updated
Data be updated in the correspondence table of backup database；
Search actual data library in table in renewal time between last time java scheduler starting the time and current time it
Between, and the data that logic deleted marker position is 1 are the data deleted, and the logic of corresponding data is deleted mark in backup database
Will position is 1, and renewal time field is updated to as actual data library.
Changed data can be quickly searched by the comparison of field, to improve backup efficiency.
The beneficial effects of the present invention are:
By start by set date java scheduler, the micro- of actual data library and backup database is separately connected by calling two
Service obtains the data for sending variation from actual data library, backs up in backup database；Due to being backed up for self-timing,
It eliminates and exports data and importing local data base in the mysql database that the slave projects when needing to check data use
Link, working efficiency can be improved, and since non-alignment type database data changes, also ensure the correct of data
Property.
Detailed description of the invention
Fig. 1 is the system structure diagram of the automated back-up mysql database in the present invention；
Fig. 2 is the flow chart backed up in embodiment to newly-increased data；
Fig. 3 is the flow chart backed up in embodiment to the data of change；
Fig. 4 is the flow chart backed up in embodiment to the data of deletion.
Specific embodiment
The present invention is intended to provide a kind of system and method for automated back-up mysql database, solves needing in traditional technology
When checking data, Yao Xiancong mysql database export data import local data base again, and the occupancy plenty of time causes work to be imitated
The low problem of rate.Its core concept is: two databases with identical table and field of creation, one of them is as projects
The actual data library used, another is the backup database that data backup is carried out to it；Creation two for connecting formal number
According to the micro services in library and backup database, and by start by set date java scheduler, to call the two micro services, from formal number
According to the data for sending variation are obtained in library, back up in backup database.
As shown in Figure 1, in the present invention automated back-up mysql database system, comprising: actual data library, Backup Data
Library, actual data library micro services module, backup database micro services module and java scheduler；Wherein, actual data library is micro-
Service module, backup database micro services module and java scheduler deployment are in same server；
The actual data library is the mysql database that projects use；
The backup database is the data that the data in the mysql database for using projects are backed up
Library, and possess identical table and field with actual data library；
The actual data library micro services module connects actual data library；
The backup database micro services module connects backup database；
The java scheduler timing starting, for by calling actual data library micro services module accesses actual data
Library, by calling backup database micro services module accesses backup database, based in backup database and actual data library
Changed data are searched in the comparison of field in table in actual data library, and changed data are updated to backup
Database.
In specific implementation, the table of two databases is identical with field, just can guarantee in backup database in this way
The consistency of data and the data in actual data library；When establishing table, each table must include following field:
1. can quickly find out newly-increased data by comparing the id in the table of both sides in this way from the major key id increased；
2. renewal time field updateTime when project updates actual data library data, needs renewal time field simultaneously
It is updated so that it is convenient to rapidly find out the data of update；
3. the mark ifDel that logic is deleted, logic deletes field and is defaulted as 0, when projects delete actual data library number
According to when (being not that physics is deleted, and logic is deleted), be 1 by deleted marker position, while renewal time field need to be carried out
It updates, when searching deletion data in this way, only need to find out the data that deleted marker position is 1, quickly and effectively.
Java scheduler is a java engineering, and frame is the frame of springMvc.Timer scheduled therein
Can start by set date (starting time specifically regard project data amount decision) at regular intervals, the interface for calling micro services to provide.
Java scheduler is equivalent to a terminal, is connected to both sides database, and calling in actual data library of make suring in incognito has change
Data found out and be updated to backup database, while being also the source for initiating whole flow process.
Actual data library micro services module and backup database micro services module are exactly two spring boot engineerings, and one
The database of a connection is the actual data library of project, and effect mainly finds out the data for having change in actual data library；
The database of one connection is the database of backup, and main function is that the data changed in actual data library are updated to backup
In database.Java scheduler need to be disposed in a server with micro services, be present in same network segment, and such micro services provide
Interface could be transferred by java scheduler；That is, micro services be by providing what interface worked for java scheduler,
Interface cannot open to the outside world, be only java scheduler and provide service.Because being java engineering, micro services are provided in the present invention
Interface is then restful interface.Due to being to inner joint, the calling of interface is not needed then using token security mechanism.Two micro-
Service is connected by java scheduler engineering, to realize transmission of the data from a database to another data.Two
Micro services engineering is equivalent to specific operator in process, and operating has the data of change to be found out in actual data library
Be updated in backup database.
Embodiment:
Since data change generally includes: newly-increased, change and deleting, the present embodiment is by the backup to this three kinds of data changes
Process is illustrated respectively:
The newly-increased backup of data: as shown in Fig. 2, firstly, java scheduler calling backup database micro services, find certain
The id of table tab the last item data is a, recalls actual data library micro services, finds out all numbers that id in this table is greater than a
According to here it is the increased data of table tab in this period, finally recall backup database micro services and newly-increased data are inserted into
In backup database table tab, to realize the update of table tab data.
The backup of more new data: as shown in figure 3, firstly, java scheduler first obtains current time, when then utilizing current
Between subtract timer starting interval time obtain last time java scheduler starting time, then by scheduler call backup number
It is I1 according to the id that micro services obtain table tab the last item data, then scheduler calls actual data library micro services, obtains table
Id is less than or equal to I1 in tab, and renewal time starts between time and current time between the last time, and deleted marker position is
The data of 0 (indicating not carry out logic deletion to data), thus have found the data that table tab is updated in this period, finally
Timer calls backup database micro services, and more new data is updated in backup database table tab.
It deletes the backup of data: searching deletion data and be equivalent to special more new data.As shown in figure 4, scheduler is still
Current time is obtained, timer starting interval time section is subtracted and obtains starting time last time, then call actual data library in incognito
Business finds out in table tab renewal time between starting time last time and current time, and to be 1 (indicate pair for deleted marker position
Data perform logic deletion) data then call the micro services of backup database to have found deletion data, will be
These data deleted marker positions in backup database are 1, and renewal time field is updated to as actual data library.
Claims (8)
1. the system of automated back-up mysql database, which is characterized in that
Include: actual data library, backup database, actual data library micro services module, backup database micro services module and
Java scheduler；Wherein, actual data library micro services module, backup database micro services module and java scheduler deployment in
In same server；
The actual data library is the mysql database that projects use；
The backup database is the database that the data in the mysql database for using projects are backed up,
And possess identical table and field with actual data library, and contain field in each table: from increasing major key id, renewal time and logic
Deleted marker position；
The actual data library micro services module connects actual data library；
The backup database micro services module connects backup database；
The java scheduler timing starting, for leading to by calling actual data library micro services module accesses actual data library
Calling backup database micro services module accesses backup database is crossed, based in the table in backup database and actual data library
Changed data are searched in the comparison of field in actual data library, and changed data are updated to backup database.
2. the system of automated back-up mysql database as described in claim 1, which is characterized in that
The data of the variation include: newly-increased, change and the data deleted.
3. the system of automated back-up mysql database as claimed in claim 2, which is characterized in that
The comparison of field in the table based in backup database and actual data library is searched in actual data library and is occurred
Changed data are updated to backup database, specifically included by the data of variation:
The id for obtaining the last item data in the table in backup database, by each data in the table in this id and actual data library
Id is compared, and all data of the id greater than this id that possess are newly-increased data in the table in actual data library, by newly-increased number
According in the correspondence table for being inserted into backup database；
The id for obtaining the last item data in the table in backup database, by each data in the table in this id and actual data library
Id is compared, and all id that possess are less than or equal to this id in the table in actual data library, and renewal time is between last time java
Scheduler starts between time and current time, and the data that logic deleted marker position is 0 are the data updated, by the number of update
According in the correspondence table for being updated to backup database；
Renewal time starts between time and current time between last time java scheduler in table in lookup actual data library, and
The data that logic deleted marker position is 1 are the data deleted, by the logic deleted marker position of corresponding data in backup database
It is set to 1, and renewal time field is updated to as actual data library.
4. the system of automated back-up mysql database as described in claim 1, which is characterized in that
The actual data library micro services module and backup database micro services module use restful interface, only to java tune
It is open to spend device.
It is special applied in the system as described in claim 1-4 any one 5. the method for automated back-up mysql database
Sign is, comprising:
The starting of java scheduler timing, it is standby by calling by calling actual data library micro services module accesses actual data library
Part database micro services module accesses backup database, the ratio based on the field in the table in backup database and actual data library
Compared with searching changed data in actual data library, changed data be updated to backup database.
6. the method for automated back-up mysql database as claimed in claim 5, which is characterized in that
Time of java scheduler timing starting determines with portfolio according to demand.
7. the method for automated back-up mysql database as claimed in claim 5, which is characterized in that
The data of the variation include: newly-increased, change and the data deleted.
8. the method for automated back-up mysql database as claimed in claim 7, which is characterized in that
The comparison of field in the table based in backup database and actual data library is searched in actual data library and is occurred
Changed data are updated to backup database, specifically included by the data of variation:
The id for obtaining the last item data in the table in backup database, by each data in the table in this id and actual data library
Id is compared, and all data of the id greater than this id that possess are newly-increased data in the table in actual data library, by newly-increased number
According in the correspondence table for being inserted into backup database；
The id for obtaining the last item data in the table in backup database, by each data in the table in this id and actual data library
Id is compared, and all id that possess are less than or equal to this id in the table in actual data library, and renewal time is between last time java
Scheduler starts between time and current time, and the data that logic deleted marker position is 0 are the data updated, by the number of update
According in the correspondence table for being updated to backup database；
Renewal time starts between time and current time between last time java scheduler in table in lookup actual data library, and
The data that logic deleted marker position is 1 are the data deleted, by the logic deleted marker position of corresponding data in backup database
It is set to 1, and renewal time field is updated to as actual data library.
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| CN115510166A (en) * | 2022-11-23 | 2022-12-23 | 云账户技术(天津)有限公司 | Data synchronization service method and device, remote platform and electronic equipment |
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| CN110209534B (en) | 2022-09-16 |
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