CN106254544A - Data access method and device - Google Patents
Data access method and device Download PDFInfo
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- CN106254544A CN106254544A CN201610862401.7A CN201610862401A CN106254544A CN 106254544 A CN106254544 A CN 106254544A CN 201610862401 A CN201610862401 A CN 201610862401A CN 106254544 A CN106254544 A CN 106254544A
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- storage
- target data
- network interface
- interface card
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The embodiment of the present invention provides a kind of data access method and device, and wherein, described method includes that storing server receives, by service network card, the solicited message for accessing target data that user terminal sends, and described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage mark of described target data, and described service network interface card is specific to described storage server；Described storage server determines the storage position of described target data according to described storage mark, and according to target data described in described storage position acquisition, so that described target data is sent to described user terminal by described service network interface card.The embodiment of the present invention receives, by service network card, the solicited message for accessing target data that user terminal sends, described solicited message is based on Hyper text transfer http protocol, and the storage position of described target data is determined according to described storage mark, and according to target data described in described storage position acquisition, the cost of storage system can be greatly saved, and the efficiency of data access can be improved, meet the demand of user.
Description
Technical field
The present embodiments relate to field of cloud computer technology, particularly relate to a kind of data access method and device.
Background technology
Along with the development of cloud computing technology, data access has been increasingly subject to extensive concern in the spring tide of the Internet, and obtains
Arrive rapid development.Data access is different from file storage, and data access is not organized with the structure of directory hierarchy, each
Object is all located at being referred to as the same level in the flat space of storage pool, and each element of every one-level has within the storage system
Having unique mark, user passes through this identification access container or object.The flat data organizational structure of this employing abandons
Nested file, can avoid safeguarding huge directory tree.Big data and Internet era, the file/object of storage surpass
Crossing up to a million, access times and concurrent visit capacity in the unit interval have also reached unprecedented magnitude, in this situation
Under, directory tree brings the biggest expense and problems can to storage system, becomes the bottleneck of system.Another one allows data visit
Asking that the factor shining vitality is, data access does not reoffer interface compatible for POSIX (such as open, close, read, write
Deng), but can be interacted by HTTP Restful api interface and object easily, i.e. entered by PUT and GET
Row uploads download, and is deleted by DELETE.
Data access can provide the user the storage of the bigger file such as video, music, it is also possible to provides the service of daily record.
It addition, determining that storage service can obtain the principal element of great development is to obtain the favor of mobile Internet.In mobile terminal
In APP, the simple HTTP interface of data access simplifies the development process of developer, and also can provide the user magnanimity
Memory space.Data access is similar with file storage, and the bucket of a data access is equivalent to the root in a file storage,
And the object in a data access is equivalent to the file in a file storage, because data access uses flat mesh
Directory structures, if therefore with file storage contrast, it appears that be exactly that whole files is all under same catalogue.
Existing data access manufacturer stores the most in a distributed manner and stores system as bottom, externally provides cloud storage clothes
Business, formation is the structure of two-layer, and ground floor is the data access service of standard, and the second layer is then the distributed storage of bottom.
Typically, ground floor comprises tens of station server, every station server is all disposed the HTTP service of data access, Yong Hujie
Asked by user, after user right certification success, forwarded the request to the distributed storage layer of the second layer again.Ground floor
The business run on server is the most simply to service, and the maximum feature of this service is that the bandwidth come in and gone out can be very big, but
It is less to take CPU and internal memory.The interface as docking user with roomy reason, all of upload, downloading flow all
Need through these servers；Being not take up CPU and internal memory is then because the transfer person that these requests are flow, itself is not required to
Carry out the operation of complexity.
But, during realizing the embodiment of the present invention, inventor finds, the ground floor knot in existing storage architecture
Server in structure can cause the waste of resource, and it, as the service of a kind of purely consumption network IO, but takies 10,000,000,000 nets
The server of card causes the highest cost.
Summary of the invention
The embodiment of the present invention provides a kind of data access method and device, in order to solve first in existing storage architecture
Server in Rotating fields can cause the defect of the waste of resource.
The embodiment of the present invention provides a kind of data access method, including:
Storage server receives the solicited message for accessing target data that user terminal sends, institute by service network card
State solicited message based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage mark of described target data,
Described service network interface card is specific to described storage server；
Described storage server determines the storage position of described target data according to described storage mark, and deposits according to described
Target data described in storage position acquisition, to be sent to described user terminal by described target data by described service network interface card.
Alternatively, described storage server is provided with virtual machine；
Correspondingly, described storage server by service network card receive that user terminal sends for accessing target data
Solicited message, described solicited message based on Hyper text transfer http protocol, including:
Solicited message based on described http protocol is resolved by described storage server by described virtual machine；Its
In, described service network interface card associates with described virtual machine.
Alternatively, described storage server determines the storage position of described target data according to described storage mark, including:
By storage network interface card, described storage server determines that described target data is in described storage server or other storages
Storage position in server；
Wherein, described storage network interface card is specific to described storage server；Described storage server and other storage clothes described
Business device belongs to same distributed memory system.
Alternatively, described service network interface card is 10,000,000,000 optical fiber network interface cards.
Alternatively, described method also includes:
By the flowing of access that Linux virtual server LVS is multiple stage storage server-assignment user terminal.
The embodiment of the present invention provide data access method, by service network card receive user terminal send be used for access
The solicited message of target data, described solicited message is based on Hyper text transfer http protocol, and determines according to described storage mark
The storage position of described target data, and according to target data described in described storage position acquisition, so that described target data is led to
Cross described service network interface card be sent to described user terminal can be greatly saved storage system cost, it is possible to improve data visit
The efficiency asked, meets the demand of user.
Second aspect, the embodiment of the present invention also provides for a kind of DAA, including:
Agreement receives unit, for receiving, by service network card, the request for accessing target data that user terminal sends
Information, described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises depositing of described target data
Storage mark, described service network interface card is specific to store server；
Position determination unit, for determining the storage position of described target data, and according to institute according to described storage mark
State target data described in storage position acquisition, so that described target data is sent to described user eventually by described service network interface card
End.
Alternatively, described storage server is provided with virtual machine；
Correspondingly, described agreement reception unit is further used for:
By described virtual machine, solicited message based on described http protocol is resolved；Wherein, described service network interface card
Associate with described virtual machine.
Alternatively, described position determination unit is further used for:
The storage in described storage server or other storage servers of the described target data is determined by storage network interface card
Position；
Wherein, described storage network interface card is specific to described storage server；Described storage server and other storage clothes described
Business device belongs to same distributed memory system.
Alternatively, described service network interface card is 10,000,000,000 optical fiber network interface cards.
Alternatively, described device also includes:
Assignment of traffic unit, being used for by Linux virtual server LVS is that multiple stage stores server-assignment user terminal
Flowing of access.The embodiment of the present invention provide DAA, by service network card receive user terminal send be used for visit
Asking the solicited message of target data, described solicited message is based on Hyper text transfer http protocol and true according to described storage mark
The storage position of fixed described target data, and according to target data described in described storage position acquisition, with by described target data
It is sent to described user terminal by described service network interface card and can be greatly saved the cost of storage system, it is possible to improve data
The efficiency accessed, meets the demand of user.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is data access method one embodiment flow chart of the present invention；
Fig. 2 is another embodiment flow chart of data access method of the present invention；
Fig. 3 is DAA one example structure schematic diagram of the present invention；
Fig. 4 is another example structure schematic diagram of DAA of the present invention；
Fig. 5 is that the present invention stores server example structural representation.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing in the embodiment of the present invention, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that retouched
The embodiment stated is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under not making creative work premise, broadly falls into present invention protection
Scope.
Fig. 1 is data access method one embodiment flow chart of the present invention, as it is shown in figure 1, the data access side of the present embodiment
Method includes:
The request being used for accessing target data that S101: storage server receives user terminal transmission by service network card is believed
Breath, described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage of described target data
Mark, described service network interface card is specific to described storage server；
Specifically, service network card receives the solicited message for accessing described target data that user terminal sends
After, this solicited message is sent to described storage server by described service network interface card；Described storage server is to based on described HTTP
The solicited message of agreement resolves, to get the storage mark of described target data.
It is understood that above-mentioned service network interface card is for be associated with described storage server, and it is specific to described storage clothes
The network interface card of business device, for example, one piece 10,000,000,000 optical fiber network interface card, this service network interface card is independent with storage network interface card, and main being responsible for receives user eventually
The HTTP request of end, and after user right certification success, described HTTP request is sent to described storage server.
S102: described storage server determines the storage position of described target data according to described storage mark, and according to
Target data described in described storage position acquisition, to be sent to described user eventually by described target data by described service network interface card
End.
Specifically, above-mentioned storage server is according to described storage mark (such as target described in distributed memory system
" the bucket name/filename " that data are corresponding) determine the actual storage locations of described target data, and then described target data is passed through
Described service network interface card is sent to described user terminal.
The embodiment of the present invention provide data access method, by service network card receive user terminal send be used for access
The solicited message of target data, described solicited message is based on Hyper text transfer http protocol, and determines according to described storage mark
The storage position of described target data, and according to target data described in described storage position acquisition, so that described target data is led to
Cross described service network interface card be sent to described user terminal can be greatly saved storage system cost, it is possible to improve data visit
The efficiency asked, meets the demand of user.
Fig. 2 is another embodiment flow chart of data access method of the present invention, as in figure 2 it is shown, described method includes:
The request being used for accessing target data that S201: storage server receives user terminal transmission by service network card is believed
Breath, described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage of described target data
Mark, described service network interface card is specific to described storage server；
It should be noted that step S201 of the present embodiment is identical with step S101 shown in earlier figures 1, the most superfluous at this
State.
As in figure 2 it is shown, the data access method of the present embodiment is on the basis of above-described embodiment, described storage server root
The storage position of described target data is determined, it is also possible to including according to described storage mark:
S202: described storage server by storage network interface card determine described target data described storage server or other
Storage position in storage server；Wherein, described storage network interface card is specific to described storage server；Described storage server and
Other storage servers described belong to same distributed memory system.
Specifically, described storage server is by storage network interface card associated with it, according to the storage of described target data
Mark (each storage data in such as distributed memory system are each self-corresponding " bucket name/filename ") determines described number of targets
According to the actual storage locations in this storage server or the actual storage locations in other storage servers；
It is understood that above-mentioned storage server and other storage servers described are for belonging to a distributed storage
The storage server of system.
It should be noted that described storage network interface card is used for carrying the number between each memory node (each stores server)
According to functions such as duplications, its data flow can be considered the flow of a kind of " laterally ", described service network interface card be then for carry from
Family terminal is to the flow of storage cluster (each stores server), thus this data flow can be considered the stream of a kind of " longitudinally "
Amount.
Further, on the basis of each embodiment of the method above-mentioned, described method can also include:
By the flowing of access that Linux virtual server LVS is multiple stage storage server-assignment user terminal.
Specifically, by disposing LVS on multiple stage storage server, load balancing can be realized by unified entrance
Change processes, i.e. multiple stage storage server can share the flowing of access of user with relative equilibrium.
It is understood that above-mentioned LVS can use the existing LVS software realizing load balancing, or by user from
The module with the loading functional realizing equilibrium storage server of row research and development, this is not defined by the embodiment of the present invention.
Further, on the basis of each embodiment of the method above-mentioned, described storage server is also provided with virtual
Machine；
Correspondingly, described storage server by service network card receive that user terminal sends for accessing target data
Solicited message, described solicited message, based on Hyper text transfer http protocol, may include that
Solicited message based on described http protocol is resolved by described storage server by described virtual machine；Its
In, described service network interface card associates with described virtual machine.
Specifically, all there is safety issue in HTTP service, if i.e. HTTP service is hacked and seizes on both sides by the arms, can cause whole
The situation that station server is seized on both sides by the arms.This is breakneck for storage service, and its result being easily caused is exactly whole
Storage cluster is all controlled by hacker, and data are safely by all gone.Therefore, the embodiment of the present invention, will by using virtual machine
HTTP service and storage service are isolated, and i.e. start a virtual machine on storage server, and are deployed in by HTTP service
In this virtual machine, the service network interface card of 10,000,000,000 is distributed to this virtual machine is exclusive to be used simultaneously, can realize HTTP service with
It is completely isolated that storage services, thus ensure that the safety of storage service.
Fig. 3 is DAA one example structure schematic diagram of the present invention, as it is shown on figure 3, this device includes that agreement connects
Receive unit 310 and position determination unit 320, wherein:
Described agreement receives unit 310 and accesses target data for being used for of receiving that user terminal sends by service network card
Solicited message, described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises described number of targets
According to storage mark, described service network interface card be specific to store server；
Described position determination unit 320 determines the storage position of described target data according to described storage for identifying, and
According to target data described in described storage position acquisition, so that described target data is sent to described use by described service network interface card
Family terminal.
Specifically, described agreement receives unit 310 and accesses target by service network card being used for of receiving that user terminal sends
The solicited message of data, described solicited message is based on Hyper text transfer http protocol；Described position determination unit 320 is according to described
Storage mark determines the storage position of described target data, and according to target data described in described storage position acquisition, with by institute
State target data and be sent to described user terminal by described service network interface card.
Specifically, service network card receives the solicited message for accessing described target data that user terminal sends
After, this solicited message is sent to described agreement and receives unit 310 by described service network interface card；Described agreement receives unit 310 to base
Solicited message in described http protocol resolves, to get the storage mark of described target data.
It is understood that above-mentioned service network interface card is for being associated with storage server, and it is specific to described storage server
Network interface card, for example, one piece 10,000,000,000 optical fiber network interface card, this service network interface card is independent with storage network interface card, main is responsible for receiving user terminal
HTTP request, and after user right certification success, described HTTP request is sent to described storage server.
And then, after described data access request is analyzed by above-mentioned agreement reception unit 310, described position determines list
Unit 320 is true according to described storage mark (" bucket name/filename " that such as target data described in distributed memory system is corresponding)
The actual storage locations of fixed described target data, and then described target data is sent to described user by described service network interface card
Terminal.
The embodiment of the present invention provide DAA, by service network card receive user terminal send be used for access
The solicited message of target data, described solicited message is based on Hyper text transfer http protocol, and determines according to described storage mark
The storage position of described target data, and according to target data described in described storage position acquisition, so that described target data is led to
Cross described service network interface card be sent to described user terminal can be greatly saved storage system cost, it is possible to improve data visit
The efficiency asked, meets the demand of user.
Further, preferred as said apparatus embodiment, position determination unit 320 is further used for:
The storage in described storage server or other storage servers of the described target data is determined by storage network interface card
Position；Wherein, described storage network interface card is specific to described storage server；Described storage server and other storage servers described
Belong to same distributed memory system.
Specifically, described position determination unit 320 is by storage network interface card associated with it, according to described target data
Storage mark (each storage data in such as distributed memory system are each self-corresponding " bucket name/filename ") determines described mesh
Mark data actual storage locations in this storage server or the actual storage locations in other storage servers；
It is understood that above-mentioned storage server and other storage servers described are for belonging to a distributed storage
The storage server of system.
It should be noted that described storage network interface card is used for carrying the number between each memory node (each stores server)
According to functions such as duplications, its data flow can be considered the flow of a kind of " laterally ", described service network interface card be then for carry from
Family terminal is to the flow of storage cluster (each stores server), thus this data flow can be considered the stream of a kind of " longitudinally "
Amount.
Fig. 4 is another example structure schematic diagram of DAA of the present invention, and wherein agreement receives unit 410, position
Determine that unit 420 receives unit 310, the function phase of position determination unit 320 with the agreement in the embodiment described in earlier figures 3
With, do not repeat at this, as shown in Figure 4, on the basis of embodiment illustrated in fig. 3, described device can also include:
Assignment of traffic unit 430, being used for by Linux virtual server LVS is that multiple stage storage server-assignment user is whole
The flowing of access of end.
Specifically, by disposing LVS on multiple stage storage server, load balancing can be realized by unified entrance
Change processes, i.e. multiple stage storage server can share the flowing of access of user with relative equilibrium.
It is understood that above-mentioned LVS can use the existing LVS software realizing load balancing, or by user from
The module with the loading functional realizing equilibrium storage server of row research and development, this is not defined by the embodiment of the present invention.
Further, on the basis of each device embodiment above-mentioned, described storage server is provided with virtual machine；
Correspondingly, described agreement reception unit 410 can be further used for:
By described virtual machine, solicited message based on described http protocol is resolved；Wherein, described service network interface card
Associate with described virtual machine.
Specifically, all there is safety issue in HTTP service, if i.e. HTTP service is hacked and seizes on both sides by the arms, can cause whole
The situation that station server is seized on both sides by the arms.This is breakneck for storage service, and its result being easily caused is exactly whole
Storage cluster is all controlled by hacker, and data are safely by all gone.
Therefore, HTTP service and storage service, by using virtual machine, are isolated by the embodiment of the present invention, i.e. in storage
Start a virtual machine on server, and HTTP service is deployed in this virtual machine, the service network interface card of 10,000,000,000 is divided simultaneously
This virtual machine of dispensing is exclusive to be used, and can realize HTTP service completely isolated with what storage serviced, thus ensure that storage clothes
The safety of business.
Fig. 5 is that the present invention stores server example structural representation, as it is shown in figure 5, this terminal may include that processor
(processor) 510, bus 520 and memorizer (memory) 530, wherein, processor 510 and memorizer 530 pass through bus
520 complete mutual communication.Processor 510 can call the logical order in memorizer 530, to perform following method: logical
Crossing service network card and receive the solicited message for accessing target data that user terminal sends, described solicited message is based on hypertext
Transmission http protocol；Wherein, described solicited message comprises the storage mark of described target data, and described service network interface card is specific to deposit
Storage server；The storage position of described target data is determined according to described storage mark, and according to described storage position acquisition institute
State target data, so that described target data is sent to described user terminal by described service network interface card.
Additionally, the logical order in above-mentioned memorizer 530 can be realized and conduct by the form of SFU software functional unit
When independent production marketing or use, can be stored in a computer read/write memory medium.Based on such understanding, this
The part that contributes prior art the most in other words of technical scheme of invention or the part of this technical scheme can be with
The form of software product embodies, and this computer software product is stored in a storage medium, including some instructions in order to
Each is implemented to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the present invention
All or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various
The medium of program code can be stored.
Device embodiment described above is only schematically, and the wherein said unit illustrated as separating component can
To be or to may not be physically separate, the parts shown as unit can be or may not be physics list
Unit, i.e. may be located at a place, or can also be distributed on multiple NE.Can be selected it according to the actual needs
In some or all of module realize the purpose of the present embodiment scheme.Those of ordinary skill in the art are not paying creativeness
Work in the case of, be i.e. appreciated that and implement.
Through the above description of the embodiments, those skilled in the art it can be understood that to each embodiment can
The mode adding required general hardware platform by software realizes, naturally it is also possible to pass through hardware.Based on such understanding, on
State the part that prior art contributes by technical scheme the most in other words to embody with the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD etc., including some fingers
Make with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs each and implements
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a data access method, it is characterised in that including:
Storage server by service network card receive that user terminal sends for accessing the solicited message of target data, described please
Ask information based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage mark of described target data, described
Service network interface card is specific to described storage server；
Described storage server determines the storage position of described target data according to described storage mark, and according to described storage position
Put the described target data of acquisition, so that described target data is sent to described user terminal by described service network interface card.
Method the most according to claim 1, it is characterised in that described storage server is provided with virtual machine；
Correspondingly, described storage server receives, by service network card, the request for accessing target data that user terminal sends
Information, described solicited message based on Hyper text transfer http protocol, including:
Solicited message based on described http protocol is resolved by described storage server by described virtual machine；Wherein, institute
State service network interface card to associate with described virtual machine.
Method the most according to claim 1, it is characterised in that described storage server determines institute according to described storage mark
State the storage position of target data, including:
By storage network interface card, described storage server determines that described target data is in described storage server or other storage services
Storage position in device；
Wherein, described storage network interface card is specific to described storage server；Described storage server and other storage servers described
Belong to same distributed memory system.
Method the most according to claim 1, it is characterised in that described service network interface card is 10,000,000,000 optical fiber network interface cards.
Method the most according to claim 1, it is characterised in that described method also includes:
By the flowing of access that Linux virtual server LVS is multiple stage storage server-assignment user terminal.
6. a DAA, it is characterised in that including:
Agreement receives unit, believes for being received the request being used for accessing target data of user terminal transmission by service network card
Breath, described solicited message is based on Hyper text transfer http protocol；Wherein, described solicited message comprises the storage of described target data
Mark, described service network interface card is specific to store server；
Position determination unit, for determining the storage position of described target data according to described storage mark, and deposits according to described
Target data described in storage position acquisition, to be sent to described user terminal by described target data by described service network interface card.
Device the most according to claim 6, it is characterised in that described storage server is provided with virtual machine；
Correspondingly, described agreement reception unit is further used for:
By described virtual machine, solicited message based on described http protocol is resolved；Wherein, described service network interface card and institute
State virtual machine association.
Device the most according to claim 6, it is characterised in that described position determination unit is further used for:
Described target data storage position in described storage server or other storage servers is determined by storage network interface card；
Wherein, described storage network interface card is specific to described storage server；Described storage server and other storage servers described
Belong to same distributed memory system.
Device the most according to claim 6, it is characterised in that described service network interface card is 10,000,000,000 optical fiber network interface cards.
Device the most according to claim 6, it is characterised in that described device also includes:
Assignment of traffic unit, is used for the access by Linux virtual server LVS is multiple stage storage server-assignment user terminal
Flow.
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| CN201610862401.7A CN106254544A (en) | 2016-09-28 | 2016-09-28 | Data access method and device |
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| CN201610862401.7A CN106254544A (en) | 2016-09-28 | 2016-09-28 | Data access method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144979A (en) * | 2018-08-15 | 2019-01-04 | 中国建设银行股份有限公司 | A kind of data processing method and device based on distribution application system |
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