CN106844574A - A kind of synchronous method and apparatus of teledata - Google Patents
A kind of synchronous method and apparatus of teledata Download PDFInfo
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- CN106844574A CN106844574A CN201710008121.4A CN201710008121A CN106844574A CN 106844574 A CN106844574 A CN 106844574A CN 201710008121 A CN201710008121 A CN 201710008121A CN 106844574 A CN106844574 A CN 106844574A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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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
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2365—Ensuring data consistency and integrity
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Abstract
The present embodiments relate to communication technical field, more particularly to a kind of synchronous method and apparatus of teledata, distance data transmission is realized for quick, efficient.During the present invention is embodiment, server obtains the M datas record in journal file;Wherein, per data, record includes the corresponding information of preset field in M datas record;Preset field corresponding information of the server in being recorded according to M datas in every data record, determines the major key of every data record in M datas record;Server records each major key in corresponding all major keys for M datas, in the case of it is determined that the major key that there is N datas record is the major key, the datas of N 1 record in N datas record is deleted from M datas record;N is in the integer equal to 2 and less than or equal to M;Remaining K datas record in M datas record is sent to terminal by server;It is achieved thereby that quick, efficient realize distance data transmission.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of synchronous method and apparatus of teledata.
Background technology
With the development and the progress of science and technology of society, user becomes increasingly dependent on network system to process various affairs.Network
The normal operation of system depends on the stable operation of data center systems, once data are lost for some reason, it will so that
Some functions are paralysed, and immeasurable loss is caused to user.In order to ensure data safety in source database, generally use
The mode of Backup Data ensures the continuity of data, by the data remote synchronization of the source database on server to target data
Storehouse, in order to when server breaks down, the data in target database can be used.
In the prior art, the remote synchronization between database is mainly using the reproduction technology of database data in itself, data
The data volume of storehouse data in itself is big, and in long-distance transmissions, transmission bandwidth demand is big and transmission speed is very slow, easily occurs passing
The problem of defeated interruption.It can be seen that, in the prior art, it is impossible to quick, efficient distance data transmission;Therefore, need badly a kind of remote
Journey method of data synchronization, it is quick, efficient to realize distance data transmission.
The content of the invention
The embodiment of the present invention provides a kind of teledata synchronous method and apparatus, is realized far to quick, efficient
Distance Transmission data.
The embodiment of the present invention provides a kind of teledata synchronous method, including:Server obtains the M bars in journal file
Data record;Wherein, per data, record includes the corresponding information of preset field in the M datas record;Wherein, it is described
M is the integer more than or equal to 2;Preset field pair of the server in being recorded according to the M datas in every data record
The information answered, determines the major key recorded per data in the M datas record;The server is directed to the M datas
Each major key in corresponding all major keys is recorded, in the case of it is determined that the major key that there is N datas record is the major key, from
The N-1 datas record in the N datas record is deleted in the M datas record;Wherein, the N be more than or equal to 2,
And the integer less than or equal to M;Remaining K datas record in M datas record is sent to terminal by the server;Its
In, the K is the integer more than or equal to 1 and less than or equal to M.
Alternatively, the N-1 datas record in the N datas record, bag are deleted in the record from the M datas
Include:From M datas record, the N-1 bars in addition to a nearest data is recorded except the date during the N datas are recorded
Data record is deleted.
Alternatively, the server obtains the M datas record in journal file, including:The server obtains event
The journal file of stream format;The server parses the journal file of the event stream format, obtains being wrapped in the journal file
The M datas record of the line translation object stream format for including.
Alternatively, remaining K datas record in M datas record is sent to terminal by the server, including:
L target stream is converted into during the K datas are recorded by L scheduling process;Wherein, in the L scheduling process
Each scheduling process corresponding conversion described in K datas record at least one data record;Wherein, the L be more than etc.
In 1 integer;The L target stream that the server will be converted to is sent to the terminal.
Alternatively, the L target stream that the server will be converted to is sent to the terminal, including:The clothes
Business device is serialized to each the target stream in L target stream obtaining;After the server is to serializing
Each target stream is compressed and encrypts, and each the target stream after the compression and encryption that will obtain is sent to described
Terminal.
The embodiment of the present invention provides another teledata synchronous method, including:The institute that terminal the reception server sends
State the K datas record in M datas record;Wherein, the K is the integer more than or equal to 1 and less than or equal to M;The M is
Integer more than or equal to 2;The terminal sends to database K datas record;Wherein, the K datas record is
The server obtains the M datas record in journal file;According to pre- in record per data in M datas record
If the corresponding information of field, the major key recorded per data in the M datas record is determined;For M datas note
Each major key in corresponding all major keys is recorded, in the case of it is determined that the major key that there is N datas record is the major key, from institute
State what is obtained after the N-1 datas deleted in the N datas record in M datas record are recorded;Wherein, the M bars number
According in record, per data, record includes the corresponding information of preset field;The N is more than or equal to 2 and whole less than or equal to M
Number.
Alternatively, remaining K datas record, bag in the M datas record that the terminal the reception server sends
Include:The terminal receives the serializing that the server sends and in the L target stream after being compressed and encrypting
Each target stream;Wherein, the L target stream is that K datas record is changed by L scheduling process
Arrive;At least one data note in each K datas record described in scheduling process corresponding conversion in the L scheduling process
Record;Wherein, the L is the integer more than or equal to 1;It is remaining in the M datas record that the terminal the reception server sends
K datas record after, K datas record is sent to before database, also include:The terminal will it is described each
Target stream is decrypted and decompresses, and carries out antitone sequence to each the target stream after the decryption and decompression
Change, obtain K datas record.
Alternatively, the terminal sends to database K datas record, including:The terminal passes through N number of thread
By transmitted in parallel in K datas record to the database;Wherein, each thread correspondence in N number of thread sends
At least one data record in the K datas record;Wherein, the N is the integer more than or equal to 1.
The embodiment of the present invention provides a kind of server synchronous for teledata, including:
Acquiring unit, for obtaining the record of the M datas in journal file;Wherein, every number in the M datas record
Include the corresponding information of preset field according to record;Wherein, the M is the integer more than or equal to 2;
Processing unit, for the corresponding information of preset field in every data record in M datas record,
Determine the major key recorded per data in the M datas record;In corresponding all major keys being recorded for the M datas
Each major key, it is determined that there is the major key of N datas record in the case of the major key, to be deleted from M datas record
Except the N-1 datas record in N datas record;Wherein, the N is the integer more than or equal to 2 and less than or equal to M;
Transmitting element, remaining K datas record is sent to end during for the server, the M datas are recorded
End;Wherein, the K is the integer more than or equal to 1 and less than or equal to M.
Alternatively, the processing unit, is used for:From M datas record, day is removed during the N datas are recorded
Phase it is nearest a data record outside N-1 data record deletions.
Alternatively, the acquiring unit, is used for:The journal file of acquisition event stream format;The processing unit, is used for:
The journal file of the event stream format is parsed, the M of the line translation object stream format that the journal file includes is obtained
Data is recorded.
Alternatively, the processing unit, is used for:L is converted into during the K datas are recorded by L scheduling process
Target stream;Wherein, in each the K datas record described in scheduling process corresponding conversion in the L scheduling process extremely
Few data record;Wherein, the L is the integer more than or equal to 1;Transmitting element, is used for:The L work that will be converted to
Object data stream is sent to the terminal.
Alternatively, the processing unit, is used for:It is each the target stream distribution in L target stream obtaining
Sequence number;Each target stream after assigned sequence number is compressed and encrypted;The transmitting element, is used for:To obtain
Compression and encryption after each target stream be sent to the terminal.
The embodiment of the present invention provides a kind of terminal synchronous for teledata, including:Receiving unit, services for receiving
K datas record in the M datas record that device sends;Wherein, the K is more than or equal to 1 and whole less than or equal to M
Number;The M is the integer more than or equal to 2;Transmitting element, for K datas record to be sent to database;Wherein, institute
It is the M datas record that the server is obtained in journal file to state K datas record;According to every in M datas record
The corresponding information of preset field in data record, determines the major key recorded per data in the M datas record;Pin
Each major key in corresponding all major keys is recorded to the M datas, it is determined that the major key that there is N datas record is the master
In the case of key, delete what is obtained after the N-1 datas in the N datas record are recorded from M datas record;
Wherein, per data, record includes the corresponding information of preset field in the M datas record;The N be more than or equal to 2,
And the integer less than or equal to M.
Alternatively, the receiving unit, is used for:Receive that the server sends being assigned with sequence number and pressed
Each target stream in the L target stream after contracting and encryption;Wherein, the L target stream is the K
Data record is converted to by L scheduling process;Each scheduling process corresponding conversion institute in the L scheduling process
State at least one data record in K datas record;Wherein, the L is the integer more than or equal to 1;The terminal also includes
Processing unit, is used for:Described each target stream is decrypted and decompressed, and to it is described decryption and decompression after it is every
Individual target stream carries out unserializing, obtains K datas record.
Alternatively, the terminal sends to database K datas record, including:The transmitting element, for leading to
N number of thread is crossed by transmitted in parallel in K datas record to the database;Wherein, each thread in N number of thread
Correspondence sends at least one data record in the K datas record;Wherein, the N is the integer more than or equal to 1.
In the embodiment of the present invention, because server is according to the preset field pair in M datas record per data in record
The information answered, determines the major key recorded per data in M datas record, and record corresponding all masters for M datas
Each major key in key, in the case of it is determined that the major key that there is N datas record is the major key, deletes from M datas record
Except the N-1 datas record in N datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;Server is by M
Remaining K datas record is sent to terminal in data record;So, on the one hand, server is to major key in M datas record
Identical data record only retains one, finally obtains the data record that K bar major keys are differed, and eliminates data redundancy, significantly
Reduce in data synchronization process to the capacity requirement of transmission bandwidth, so as to reduce occur interrupting during distance data transmission can
Energy property, and efficiency of transmission is higher;On the other hand, the data record quantity K bars that server sends to terminal, it is literary less than from daily record
The data record quantity M bars obtained in part, reduce the data volume of transmission, so as to faster complete data transfer;So as to real
Show and quick, efficient realized distance data transmission.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly introduced.
Fig. 1 is that the embodiment of the invention provides a kind of synchronous system architecture schematic diagram of teledata;
Fig. 2 is a kind of synchronous method flow schematic diagram of teledata provided in an embodiment of the present invention;
Fig. 3 is the structural representation of another teledata synchronization system provided in an embodiment of the present invention;
Fig. 4 is the synchronous method flow schematic diagram of another teledata provided in an embodiment of the present invention;
Fig. 5 is a kind of structural representation of server synchronous for teledata provided in an embodiment of the present invention;
Fig. 6 is a kind of structural representation of terminal synchronous for teledata provided in an embodiment of the present invention.
Specific embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect become more apparent, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
Fig. 1 illustrates a kind of synchronous system architecture schematic diagram of the applicable teledata of the embodiment of the present invention, such as
Shown in Fig. 1, the applicable system architecture of the embodiment of the present invention includes server 101, and terminal 102 and terminal 103, by wireless
Connection or wired connection or other modes connection.
Server 101 can be the equipment for being communicated with terminal, for example, it may be in gsm system or CDMA
Base station (NodeB, abbreviation in base station (Base Transceiver Station, abbreviation BTS), or WCDMA system
NB), the evolved base station (Evolutional Node B, abbreviation eNB or eNodeB) in LTE system is can also be, or should
Server can be relay station, access point, mobile unit, wearable device and future 5G networks in server-side device or
Server in the PLMN networks of following evolution etc..
Any one terminal in terminal 102 and terminal 103 can through wireless access network (Radio Access Network,
Abbreviation RAN) communicated with one or more core nets, terminal can refer to user equipment (User Equipment, abbreviation UE),
Access terminal, subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, Wireless Telecom Equipment, user agent
Or user's set.
In the embodiment of the present invention, the database on server is to the database transmissions data in terminal;Server
Database binary log data acquisition is carried out by authentication and binlog dump agreements, and is solved
Analysis obtains the data record of DML statement, after being filtered to data record, serialized, compressed and being encrypted, is carried out in terminal
Network transmission.Terminal the reception server sends compressed package, and decompressed, unserializing and decryption, the decompression that will be obtained,
Data record after unserializing and decryption is loaded into work pool, then by data record transmitted in parallel to the terminal in work pool
Database.
Fig. 2 illustrates a kind of synchronous method flow schematic diagram of teledata provided in an embodiment of the present invention.
Based on the system architecture shown in Fig. 1, as shown in Fig. 2 a kind of teledata synchronization side provided in an embodiment of the present invention
The method of method, comprises the following steps:
Step S201:Server obtains the M datas record in journal file;
Wherein, per data, record includes the corresponding information of preset field in M datas record;Wherein, M be more than etc.
In 2 integer;
Step S202:Preset field corresponding information of the server in being recorded according to M datas in every data record, really
Make the major key recorded per data in M datas record;
Step S203:Server records each major key in corresponding all major keys for M datas, it is determined that there is N
In the case that the major key of data record is the major key, the N-1 datas in N datas record are deleted from M datas record
Record;
Wherein, N is the integer more than or equal to 2 and less than or equal to M;
Step S204:Remaining K datas record in M datas record is sent to terminal by server;Wherein, K is big
In the integer equal to 1 and less than or equal to M;
Step S205:K datas record in the M datas record that terminal the reception server sends;
Wherein, K is the integer more than or equal to 1 and less than or equal to M;M is the integer more than or equal to 2;
Step S206:Terminal sends to database K datas record.
In above-described embodiment step S201, local data center on server from source database obtain journal file,
The journal file is binary log file.In specific implementation, the local data center on server obtain the journal file it
Afterwards, the corresponding information of preset field per data in record during M datas are recorded is obtained;Alternatively, per data in record
Including the corresponding information of preset field have various, the demand in actual application is configured, also can for difference
The data record of type is configured, for example transaction data record, chat data record etc.;For example, with a transaction
As a example by data record, when the corresponding information of preset field can be order number, serial number, transaction content, dealing money, transaction
Between, at least one in stateful transaction.
In above-described embodiment step S202, the demand that major key can be in actual application is configured, a number
Include much information according to the corresponding information of preset field in record, with one of which information as major key;For example, with transaction
As a example by data record, major key could be arranged to order number or serial number;
In above-described embodiment step S203, N is the integer more than or equal to 2 and less than or equal to M;For example, M datas are recorded
In:Record one, record two, record three, record four are transaction record, and transaction record major key is set to order number, wherein, record one
Major key be 201610001, record two, record three, record four major key be 201610002, now, with regard to deletion record two, note
Record three, record four in two datas record, retain a wherein data record, can optionally wherein one reservation, it is also possible to
Nearest one reservation of time is set to, the concrete mode of reservation is not limited herein.
In above-described embodiment step S204, server K datas record is sent to the concrete mode of terminal and does not limit, can be with
For after compression send, can also for encryption after send.
In above-described embodiment step S205, the K datas record that the local data center the reception server in terminal sends.
In above-described embodiment step S206, terminal sends to the target database in terminal, sender K datas record
Formula has various, can be sent using a thread, and for example data record sends one by one, it is also possible to which a plurality of data record is together
Send;Can also be sent using multiple threads:Such as five threads, each thread sends 20 datas record;Specific use
Number of threads can be configured according to the actual requirements.
In the embodiment of the present invention, because server is according to the preset field pair in M datas record per data in record
The information answered, determines the major key recorded per data in M datas record, and record corresponding all masters for M datas
Each major key in key, in the case of it is determined that the major key that there is N datas record is the major key, deletes from M datas record
Except the N-1 datas record in N datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;Server is by M
Remaining K datas record is sent to terminal in data record;So, on the one hand, server is to major key in M datas record
Identical data record only retains one, finally obtains the data record that K bar major keys are differed, and eliminates data redundancy, significantly
Reduce in data synchronization process to the capacity requirement of transmission bandwidth, so as to reduce occur interrupting during distance data transmission can
Energy property, and efficiency of transmission is higher;On the other hand, the data record quantity K bars that server sends to terminal, it is literary less than from daily record
The data record quantity M bars obtained in part, reduce the data volume of transmission, so as to faster complete data transfer;In this way, can
To realize quick, efficient realizing distance data transmission.
In the embodiment of the present invention, server leads in the case where being updated in monitoring source database or generating journal file
Cross binary log interface and obtain journal file;That is, on the one hand, when journal file is obtained not directly to database
In data conduct interviews, therefore influence on system operation to source database in itself is very small;On the other hand, journal file is being detected
When updating or generate new journal file, journal file is just obtained, therefore scheme provided in an embodiment of the present invention is to obtain in real time
Data record, and then realize the effect of real-time synchronization data.
Alternatively, server obtains the M datas record in journal file, including:Server obtains event stream format
Journal file;Server parses the journal file of event stream format, obtains the line translation object stream format that journal file includes
M datas record.
In the embodiment of the present invention, alternatively, event stream format can be binlog forms, and line translation object stream format can be with
It is Row Change object stream format;The journal file of event stream format is converted to the M datas of line translation object stream format
Record, for example, DML or DDL sentences, in this way, being easy to the server to carry out same master to the M datas stream of line translation object stream format
The data record of key is processed, and then reduces the capacity requirement to transmission bandwidth.
Alternatively, server records each major key in corresponding all major keys for M datas, it is determined that there is N bars
In the case that the major key of data record is the major key, server deletes the N-1 bars in N datas record from M datas record
Data record, including:From M datas record, the N- in addition to a nearest data is recorded except the date during N datas are recorded
1 data record deletion.
In the embodiment of the present invention, server is recorded to M datas by DML synthesizers and processed, by M datas record
In major key identical data record processed, the nearest data record of a retention date deletes unwanted data
Record.For example, such as M is equal to 10, N and is equal to 3, that is to say, that have the major key phase that 3 datas are recorded in 10 datas record
Together, the date of this 3 data record is 8 points, 9 points, 10 points respectively on the same day, then protect 10 points of corresponding data records
Stay, delete 8 points and 9 points corresponding 2 data records.In this way, eliminate data redundancy, it is right in data synchronization process to substantially reduce
, there is the possibility interrupted so as to reduce in the capacity requirement of transmission bandwidth during distance data transmission, and efficiency of transmission is more
It is high.
Alternatively, remaining K datas record in M datas record is sent to terminal by server, including:By L
Scheduling process is converted into L target stream during K datas are recorded;Wherein, each scheduling process pair in L scheduling process
At least one data record in K datas record should be changed;Wherein, L is the integer more than or equal to 1;Server will be changed
To L target stream be sent to terminal.
In the embodiment of the present invention, server by Work schedulers the K datas of line translation object stream format are recorded into
Row treatment;Alternatively, the concrete numerical value of L can be configured according to the actual requirements;For example, K is equal to 20, L is equal to 5, that is to say, that
20 datas record is converted into 5 target streams by Work schedulers.In this way, being easy to the server to carry out data record
Compression, encryption, and then faster transmit data.
Alternatively, the L target stream that server will be converted to is sent to terminal, including:Server is to the L that obtains
Each target stream in individual target stream is serialized;Server is carried out to each the target stream after serializing
Each target stream after compression and encryption, the compression that will be obtained and encryption is sent to terminal.So, on the one hand, logarithm
According to being compressed, reduce the demand to data transfer bandwidth, it is ensured that data transfer it is normal, be efficiently transmitted;
On the other hand, data record is encrypted, it is ensured that the data safety during data syn-chronization is carried out, improves data
Security.
Accordingly, remaining K datas record in the M datas record that terminal the reception server sends, including:Terminal connects
Receive each the target stream in the serializing and L target stream after being compressed and encrypting that server sends;Its
In, L target stream is that K datas record is converted to by L scheduling process;Each tune in L scheduling process
At least one data record in degree process corresponding conversion K datas record;Wherein, L is the integer more than or equal to 1;Terminal connects
Receive in the M datas record that server sends after remaining K datas record, by K datas record send to database it
Before, also include:Each target stream is decrypted and decompressed by terminal, and right to each work after decryption and decompression
As stream carries out unserializing, K datas record is obtained.K datas that alternatively, end-on is received record decompressed,
Decryption, unserializing, will decompress, decryption, unserializing K datas record be put into work (Work) pond, in order to K bars
Data record is cached.
Alternatively, after the data record that terminal the reception server sends, if terminal receives the packet of compression, to
Server sends response;If terminal does not receive the packet of compression, will not be sent to server and responded;Accordingly, terminal
Response is not received in preset duration, then the packet of compression is sent to terminal again, to ensure that packet completely sends into
Work(.
Alternatively, terminal sends to database K datas record, including:Terminal is remembered K datas by N number of thread
Transmitted in parallel is to database in record;Wherein, each thread correspondence in N number of thread sends at least one during K datas are recorded
Data record;Wherein, N is the integer more than or equal to 1.
In the embodiment of the present invention, call N number of thread parallel to record K datas by playback device and send to target database
In;For example, K is equal to 20, N is equal to 4, that is to say, that send 20 datas by 4 threads and record, a thread sends 5 numbers
According to record.Before the data record received due to terminal, to data record in the data record of identical major key carry out
Treatment, now in the absence of the data record of identical major key, therefore, playback device can carry out multiple parallel hair to K datas record
Send, be not in the data Ji Lu of identical major key different line caused by transmitted in parallel data record when there is identical major key
The situation that journey is transmitted.In this way, transmitted in parallel substantially increases end side sending data record to the speed of database, enter
And the speed of data transfer is improve, and improve the efficiency of data transfer.
For the clearer process for introducing server to terminal long distance data syn-chronization, the present invention implements to provide following real
Apply example.
Fig. 3 illustrates the structural representation of another teledata synchronization system provided in an embodiment of the present invention.
As shown in figure 3, the applicable another teledata synchronization system of the embodiment of the present invention includes server 310 and terminal
320;Include local data center 311, database 316 on server 310;Local data center 311 includes resolver 321, DML
Synthesizer 313, Work schedulers 314, transport services 315;Include local data center 321, database in terminal 320
325;Local data center 321 includes transport services 322, Work ponds 323, playback device 324;
In the embodiment of the present invention, data transmission procedure is as follows:Local data center 311 in server 310 is from database
316 obtain journal file;The journal file of the 312 pairs of acquisitions of resolver on server 311 is parsed, in acquisition journal file
M datas record, the form of data record is converted into object stream format from event stream format, in order to DML synthesizers 313
Data record is processed;DML synthesizers 313 are used for the major key identical data note in the data record of event stream format
Record is screened, and the nearest data record of retention date, remaining K datas record is the different data note of major key
Record;Work schedulers 314 are used to dispatch L scheduling process, and the K datas record that will be obtained in DML synthesizers 313 is converted into L
Individual target stream;L target serialized, compressed by transport services 315, encrypt after, serialized,
K datas record after compression, encryption, and K datas record is sent to terminal 320.Terminal 320 receives K datas record
Afterwards, L target stream is decompressed by transport services 322, unserializing, decryption, decompressed, anti-
K datas record after serializing, decryption, and be put into Work ponds 323;Work ponds 323 carry out persistence to K datas record
Caching;K datas record is called N number of thread parallel to send database 325 by playback device 324;In the embodiment of the present invention, will service
The database 325 in the data synchronization transmissions in database 316 to terminal 320 on device 310;So, it is ensured that on server
Database data backup integrality, it is to avoid it is caused in the case that the database data record in server is lost
Data are difficult to situation about recovering.
Above method flow is introduced in order to clearer, the embodiment of the present invention provides the example below.
The method flow that Fig. 4 illustrates another teledata synchronous method provided in an embodiment of the present invention is illustrated
Figure, as shown in figure 4, the method includes:
Step S401:Server obtains the journal file of event stream format;
Step S402:Server parses the journal file of event stream format, obtains the line translation pair that journal file includes
As the M datas of stream format are recorded;Wherein, per data, record includes the corresponding information of preset field in M datas record;
Wherein, M is the integer more than or equal to 2;
Step S403:Preset field corresponding information of the server in being recorded according to M datas in every data record, really
Make the major key recorded per data in M datas record;
Step S404:Server records each major key in corresponding all major keys for M datas:It is determined that there is N
The major key of data record is nearest to remove the date in the case of the major key, in being recorded from M datas, during N datas are recorded
N-1 data record deletions outside one data record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;
Step S405:Server obtains remaining K datas record in M datas record;Wherein, K be more than or equal to 1,
And the integer less than or equal to M;
Step S406:Remaining K datas are converted into L work in recording during by L scheduling process, M datas are recorded
Make object data stream;
Wherein, at least one data note in each the scheduling process corresponding conversion K data record in L scheduling process
Record;Wherein, L is the integer more than or equal to 1;
Step S407:Server is converted into L target stream during K datas are recorded by L scheduling process;
Step S408:Each target stream in L target stream is serialized, compressed and added by server
It is close, L target stream after being serialized, compressed and being encrypted;
Step S409:Server sends L target stream after serializing, compression and encryption to terminal;
Step S410:L target stream after serializing, compression and encryption that terminal the reception server sends;Wherein,
L target stream is that K datas record is converted to by L scheduling process;Each in L scheduling process dispatch into
At least one data record in journey corresponding conversion K datas record;Wherein, L is the integer more than or equal to 1;
Step S411:Terminal will serialize, compression and encryption after each target stream decompressed, unserializing
And decryption, obtain K datas record.
Step S412:Terminal passes through N number of thread by transmitted in parallel in K datas record to database;Wherein, N number of thread
In each thread correspondence send at least one data record in K datas record;Wherein, N is the integer more than or equal to 1.
Can be seen that from the discussion above:Because server is according to the preset field in M datas record per data in record
Corresponding information, determines the major key recorded per data in M datas record, and record corresponding all for M datas
Each major key in major key, in the case of it is determined that the major key that there is N datas record is the major key, from M datas record
Delete the N-1 datas record in N datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;Server will
Remaining K datas record is sent to terminal in M datas record;So, on the one hand, server is main in being recorded to M datas
Key identical data record only retains one, finally obtains the data record that K bar major keys are differed, and eliminates data redundancy, greatly
To the capacity requirement of transmission bandwidth in big reduction data synchronization process, occur what is interrupted so as to reduce during distance data transmission
Possibility, and efficiency of transmission is higher;On the other hand, the data record quantity K bars that server sends to terminal, less than from daily record
The data record quantity M bars obtained in file, reduce the data volume of transmission, so as to faster complete data transfer;In this way,
Can realize quick, efficient realizing distance data transmission.Further, method provided in an embodiment of the present invention is passed in data
It was compressed and encrypted before defeated, solves data age in the data synchronization process between remote database, consistent
The key issues such as property, security, the influence to database is relatively low, with efficient, low bandwidth, low delay, high security and other effects.
The structure that Fig. 5 illustrates a kind of server synchronous for teledata provided in an embodiment of the present invention is shown
It is intended to.
Based on same idea, a kind of server synchronous for teledata provided in an embodiment of the present invention, such as Fig. 5 institutes
Show, the server 500 includes acquiring unit 501, processing unit 502 and transmitting element 503;Wherein:
Acquiring unit 501, for obtaining the record of the M datas in journal file;Wherein, every number in M datas record
Include the corresponding information of preset field according to record;Wherein, M is the integer more than or equal to 2;
Processing unit 502, for the corresponding information of preset field in every data record in M datas record,
Determine the major key recorded per data in M datas record;Each master in corresponding all major keys is recorded for M datas
Key, in the case of it is determined that the major key that there is N datas record is the major key, deletes N datas record from M datas record
In N-1 datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;
Transmitting element 503, remaining K datas record is sent to terminal during for server, M datas are recorded;Its
In, K is the integer more than or equal to 1 and less than or equal to M.
Alternatively, processing unit 502, are used for:From M datas record in, will N datas record in except the date it is nearest one
N-1 data record deletions outside data record.
Alternatively, acquiring unit 501, are used for:The journal file of acquisition event stream format;Processing unit 502, is used for:Solution
The journal file of analysis event stream format, obtains the M datas record of the line translation object stream format that journal file includes.
Alternatively, processing unit 502, are used for:It is right L work to be converted into during K datas are recorded by L scheduling process
As stream;Wherein, at least one data record in each the scheduling process corresponding conversion K data record in L scheduling process;
Wherein, L is the integer more than or equal to 1;Transmitting element 503, is used for:The L target stream that will be converted to is sent to terminal.
Alternatively, processing unit 502, are used for:For each the target stream in L target stream obtaining distributes sequence
Row number;Each target stream after assigned sequence number is compressed and encrypted;Transmitting element 503, is used for:The pressure that will be obtained
Each target stream after contracting and encryption is sent to terminal.
Can be seen that from the discussion above:Because server is according to the preset field in M datas record per data in record
Corresponding information, determines the major key recorded per data in M datas record, and record corresponding all for M datas
Each major key in major key, in the case of it is determined that the major key that there is N datas record is the major key, from M datas record
Delete the N-1 datas record in N datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;Server will
Remaining K datas record is sent to terminal in M datas record;So, on the one hand, server is main in being recorded to M datas
Key identical data record only retains one, finally obtains the data record that K bar major keys are differed, and eliminates data redundancy, greatly
To the capacity requirement of transmission bandwidth in big reduction data synchronization process, occur what is interrupted so as to reduce during distance data transmission
Possibility, and efficiency of transmission is higher;On the other hand, the data record quantity K bars that server sends to terminal, less than from daily record
The data record quantity M bars obtained in file, reduce the data volume of transmission, so as to faster complete data transfer;In this way,
Can realize quick, efficient realizing distance data transmission.Further, method provided in an embodiment of the present invention is passed in data
It was compressed and encrypted before defeated, solves data age in the data synchronization process between remote database, consistent
The key issues such as property, security, the influence to database is relatively low, with efficient, low bandwidth, low delay, high security and other effects.
Fig. 6 illustrates a kind of structural representation of terminal synchronous for teledata provided in an embodiment of the present invention
Figure.
Based on same idea, a kind of terminal synchronous for teledata provided in an embodiment of the present invention, as shown in fig. 6,
The terminal 600 includes receiving unit 601 and transmitting element 602, wherein:
Receiving unit 601, the K datas record in the M datas record sent for the reception server;Wherein, K is big
In the integer equal to 1 and less than or equal to M;M is the integer more than or equal to 2;
Transmitting element 602, for K datas record to be sent to database;Wherein, K datas record is that server is obtained
Take the M datas record in journal file;According to the corresponding letter of preset field in M datas record per data in record
Breath, determines the major key recorded per data in M datas record;Record every in corresponding all major keys for M datas
Individual major key, in the case of it is determined that the major key that there is N datas record is the major key, N datas is deleted from M datas record
Obtained after N-1 datas record in record;Wherein, per data, record includes preset field in M datas record
Corresponding information;N is the integer more than or equal to 2 and less than or equal to M.
Alternatively, receiving unit 601, are used for:It is that what the reception server sent be assigned with sequence number and be compressed and add
Each target stream in L target stream after close;Wherein, L target stream is that K datas record is individual by L
Scheduling process is converted to;In L scheduling process in each scheduling process corresponding conversion K data record at least one
Data record;Wherein, L is the integer more than or equal to 1;Terminal also includes processing unit, is used for:Each target stream is carried out
Decryption and decompression, and unserializing is carried out to each the target stream after decryption and decompression, obtain K datas record.
Alternatively, terminal sends to database K datas record, including:Transmitting element 602, for by N number of thread
By transmitted in parallel in K datas record to database;Wherein, in each thread correspondence transmission K data records in N number of thread
At least one data record;Wherein, N is the integer more than or equal to 1.
Can be seen that from the discussion above:Because server is according to the preset field in M datas record per data in record
Corresponding information, determines the major key recorded per data in M datas record, and record corresponding all for M datas
Each major key in major key, in the case of it is determined that the major key that there is N datas record is the major key, from M datas record
Delete the N-1 datas record in N datas record;Wherein, N is the integer more than or equal to 2 and less than or equal to M;Server will
Remaining K datas record is sent to terminal in M datas record;So, on the one hand, server is main in being recorded to M datas
Key identical data record only retains one, finally obtains the data record that K bar major keys are differed, and eliminates data redundancy, greatly
To the capacity requirement of transmission bandwidth in big reduction data synchronization process, occur what is interrupted so as to reduce during distance data transmission
Possibility, and efficiency of transmission is higher;On the other hand, the data record quantity K bars that server sends to terminal, less than from daily record
The data record quantity M bars obtained in file, reduce the data volume of transmission, so as to faster complete data transfer;In this way,
Can realize quick, efficient realizing distance data transmission.Further, method provided in an embodiment of the present invention is passed in data
It was compressed and encrypted before defeated, solves data age in the data synchronization process between remote database, consistent
The key issues such as property, security, the influence to database is relatively low, with efficient, low bandwidth, low delay, high security and other effects.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method or computer program product.
Therefore, the present invention can be using the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Form.And, the present invention can be used to be can use in one or more computers for wherein including computer usable program code and deposited
The shape of the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (16)
1. a kind of teledata synchronous method, it is characterised in that including:
Server obtains the M datas record in journal file;Wherein, wrapped in record per data in the M datas record
Include the corresponding information of preset field;Wherein, the M is the integer more than or equal to 2;
Preset field corresponding information of the server in being recorded according to the M datas in every data record, determines
The major key recorded per data in the M datas record;
The server records each major key in corresponding all major keys for the M datas, it is determined that there is N datas
In the case that the major key of record is the major key, the N-1 bar numbers in the N datas record are deleted from M datas record
According to record;Wherein, the N is the integer more than or equal to 2 and less than or equal to M;
Remaining K datas record in M datas record is sent to terminal by the server;Wherein, the K be more than
Integer equal to 1 and less than or equal to M.
2. the method for claim 1, it is characterised in that delete the N datas in the record from the M datas
N-1 datas record in record, including:
From M datas record, the N-1 in addition to a nearest data is recorded except the date during the N datas are recorded
Data record deletion.
3. the method for claim 1, it is characterised in that the server obtains the M datas record in journal file,
Including:
The server obtains the journal file of event stream format;
The server parses the journal file of the event stream format, obtains the line translation object that the journal file includes
The M datas record of stream format.
4. method as claimed in claim 2, it is characterised in that the server M datas are recorded in remaining K bars
Data record is sent to terminal, including:
L target stream is converted into during the K datas are recorded by L scheduling process;Wherein, the L dispatch into
At least one data record in each K datas record described in scheduling process corresponding conversion in journey;Wherein, the L is big
In the integer equal to 1;
The L target stream that the server will be converted to is sent to the terminal.
5. method as claimed in claim 4, it is characterised in that the L target stream hair that the server will be converted to
The terminal is given, including:
The server is serialized to each the target stream in L target stream obtaining;
The server is compressed and encrypts to each the target stream after serializing, after the compression and encryption that will obtain
Each target stream be sent to the terminal.
6. a kind of teledata synchronous method, it is characterised in that including:
K datas record in the M datas record that terminal the reception server sends;Wherein, the K be more than or equal to 1,
And the integer less than or equal to M;The M is the integer more than or equal to 2;
The terminal sends to database K datas record;
Wherein, the K datas record is the M datas record that the server is obtained in journal file;According to the M bars number
According to the corresponding information of preset field in being recorded per data in record, every data note in the M datas record is determined
The major key of record;Each major key in corresponding all major keys is recorded for the M datas, it is determined that there is N datas record
Major key in the case of the major key, to delete the N-1 datas note in the N datas record from M datas record
Obtained after record;Wherein, per data, record includes the corresponding information of preset field in the M datas record;The N
It is the integer more than or equal to 2 and less than or equal to M.
7. method as claimed in claim 6, it is characterised in that the M datas note that the terminal the reception server sends
Remaining K datas record in record, including:
The terminal receives the serializing that the server sends and the L target stream after being compressed and encrypting
In each target stream;Wherein, the L target stream is that K datas record is changed by L scheduling process
Obtain;At least one data in each K datas record described in scheduling process corresponding conversion in the L scheduling process
Record;Wherein, the L is the integer more than or equal to 1;
In the M datas record that the terminal the reception server sends after remaining K datas record, by the K bars
Data record is sent to before database, is also included:
Described each target stream is decrypted and decompressed by the terminal, and to each after the decryption and decompression
Target stream carries out unserializing, obtains K datas record.
8. method as claimed in claim 7, it is characterised in that the terminal sends to database K datas record,
Including:
The terminal passes through N number of thread by transmitted in parallel in K datas record to the database;
Wherein, each thread correspondence in N number of thread sends at least one data record in the K datas record;
Wherein, the N is the integer more than or equal to 1.
9. a kind of server synchronous for teledata, it is characterised in that including:
Acquiring unit, for obtaining the record of the M datas in journal file;Wherein, remember per data in the M datas record
Record includes the corresponding information of preset field;Wherein, the M is the integer more than or equal to 2;
Processing unit, for the corresponding information of preset field in every data record in M datas record, it is determined that
Go out the major key of the record per data in the M datas record;Record every in corresponding all major keys for the M datas
Individual major key, in the case of it is determined that the major key that there is N datas record is the major key, institute is deleted from M datas record
State the N-1 datas record in N datas record;Wherein, the N is the integer more than or equal to 2 and less than or equal to M;
Transmitting element, remaining K datas record is sent to terminal during for the server, the M datas are recorded;Its
In, the K is the integer more than or equal to 1 and less than or equal to M.
10. server as claimed in claim 9, it is characterised in that the processing unit, is used for:
From M datas record, the N-1 in addition to a nearest data is recorded except the date during the N datas are recorded
Data record deletion.
11. servers as claimed in claim 9, it is characterised in that the acquiring unit, are used for:
The journal file of acquisition event stream format;
The processing unit, is used for:
The journal file of the event stream format is parsed, the institute of the line translation object stream format that the journal file includes is obtained
State M datas record.
12. servers as claimed in claim 10, it is characterised in that the processing unit, are used for:
L target stream is converted into during the K datas are recorded by L scheduling process;Wherein, the L dispatch into
At least one data record in each K datas record described in scheduling process corresponding conversion in journey;Wherein, the L is big
In the integer equal to 1;
Transmitting element, is used for:
The L target stream that will be converted to is sent to the terminal.
13. servers as claimed in claim 12, it is characterised in that the processing unit, are used for:
Each target stream in L target stream obtaining is serialized;It is right to each work after serializing
As stream is compressed and encrypts;
The transmitting element, is used for:
Each target stream after the compression and encryption that will obtain is sent to the terminal.
A kind of 14. terminals synchronous for teledata, it is characterised in that including:
Receiving unit, the K datas record in the M datas record sent for the reception server;Wherein, the K is
Integer more than or equal to 1 and less than or equal to M;The M is the integer more than or equal to 2;
Transmitting element, for K datas record to be sent to database;
Wherein, the K datas record is the M datas record that the server is obtained in journal file;According to the M bars number
According to the corresponding information of preset field in being recorded per data in record, every data note in the M datas record is determined
The major key of record;Each major key in corresponding all major keys is recorded for the M datas, it is determined that there is N datas record
Major key in the case of the major key, to delete the N-1 datas note in the N datas record from M datas record
Obtained after record;Wherein, per data, record includes the corresponding information of preset field in the M datas record;The N
It is the integer more than or equal to 2 and less than or equal to M.
15. terminals as claimed in claim 14, it is characterised in that the receiving unit, are used for:
Receive serializing that the server sends and each in the L target stream after being compressed and encrypting
Target stream;Wherein, the L target stream K datas record is converted to by L scheduling process;
At least one data record in each K datas record described in scheduling process corresponding conversion in the L scheduling process;Its
In, the L is the integer more than or equal to 1;
The terminal also includes processing unit, is used for:
Described each target stream is decrypted and decompressed, and to each target after the decryption and decompression
Stream carries out unserializing, obtains K datas record.
16. terminals as claimed in claim 15, it is characterised in that the terminal sends to data K datas record
Storehouse, including:
The transmitting element, for the K datas to be recorded by N number of thread in transmitted in parallel to the database;
Wherein, each thread correspondence in N number of thread sends at least one data record in the K datas record;
Wherein, the N is the integer more than or equal to 1.
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