CN109218340A - A kind of online data citation system - Google Patents
A kind of online data citation system Download PDFInfo
- Publication number
- CN109218340A CN109218340A CN201710512937.0A CN201710512937A CN109218340A CN 109218340 A CN109218340 A CN 109218340A CN 201710512937 A CN201710512937 A CN 201710512937A CN 109218340 A CN109218340 A CN 109218340A
- Authority
- CN
- China
- Prior art keywords
- data
- server
- metadata
- node
- total
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention discloses a kind of online datas to be cited system, including a director server and multiple node servers, the director server include total storage device and total monitoring device, and the node server includes node storage device and monitoring nodes device；When total monitoring device receives the synchronization request of node server transmission, the catalogue and metadata of more new data guarantee two places information unification；The directory information that director server saves includes the source of data, version number and description metadata；When total monitoring device receives the inquiry and retrieval request of user, local directory is retrieved, data information is returned into user.The present invention may be implemented the consistency of director server and each node server data metadata and be cited identifier access corresponding data source by data.
Description
Technical field
The present invention relates to a kind of system, specifically a kind of online data is cited system.
Background technique
It is synchronous that metadata can be realized between server by data interaction, and metadata may be implemented in monitoring device
Actively and passively synchronize.
User can be cited identifier by data, access data source on the internet.
Here term " data citation " refers to the data quoted in paper, is cited identifier, Yong Huke by data
Data source to be accessed on the internet.
Here term " server " refers to the data storage cell with metadata for storing data.Institute in this application
The director server and node server stated are exactly the data storage cell for realizing data citation.
The metadata information of other side's data can be obtained by monitoring device interaction between server, realize data more
Place as it can be seen that and metadata it is consistent.
When one server data metadata updates, by monitoring device and the interaction of other servers, other are synchronized
The data metadata information of server.
Server periodically passes through monitoring device, synchronizes the data metadata information of each server.
Summary of the invention
The purpose of the present invention is to provide a kind of online datas to be cited system, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of online data citation system, including a director server and multiple node servers, the director server include total
Storage device and total monitoring device, the node server include node storage device and monitoring nodes device；Total monitoring
When device receives the synchronization request of node server transmission, the catalogue and metadata of more new data guarantee two places metadata letter
Breath is unified；The directory information that director server saves includes the source of data, version number and description metadata；Total monitoring device connects
When receiving the inquiry and retrieval request of user, local directory is retrieved, data information is returned into user；Total monitoring device receives
When the data access request of user, monitoring nodes device where user's request is forwarded to data according to local directory information；Institute
When stating total monitoring device and receiving the request of user, monitoring nodes device issues metadata synchronization request where to data, will save
Total storage device and more new directory is written in the metadata that point server returns；Version updating occurs for the data of the node server
When, Directory Synchronization request is sent to total monitoring device, by catalogue and metadata updates；The monitoring nodes device receives total clothes
When the synchronization request of business device, metadata is returned into director server and more new directory.
As a further solution of the present invention: the director server periodic synchronization data are cited node server metadata.
As a further solution of the present invention: the data metadata that the director server has been cited will not take with node
The deletion for device data of being engaged in and delete, data citation director server, which can save, is currently cited the metadata of versions of data.
As further scheme of the invention: when the director server stops the write-in to total storage device,
The director server stops receiving data from outside.
Compared with prior art, the beneficial effects of the present invention are: director server and each node clothes may be implemented in the present invention
Be engaged in device data metadata consistency and by data be cited identifier access corresponding data source.
Detailed description of the invention
Fig. 1 is that online data is cited system interior joint server to director server update metadata information flow chart.
Fig. 2 is that director server periodically actively updates metadata information flow chart in online data citation system.
Fig. 3 is that data are cited product process figure in online data citation system.
Fig. 4 is that data are cited browsing process figure in online data citation system.
Fig. 5 is the structural schematic diagram that online data is cited system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of online data is cited system, including a director server and more
A node server, the director server include total storage device and total monitoring device, and the node server includes that node is deposited
Storage device and monitoring nodes device；When total monitoring device receives the synchronization request of node server transmission, more new data
Catalogue and metadata, guarantee two places information unification；Director server save directory information include data source, version number and
Description metadata；When total monitoring device receives the inquiry and retrieval request of user, local directory is retrieved, data information is returned
Back to user；When total monitoring device receives the data access request of user, user is requested to forward according to local directory information
Monitoring nodes device where to data；When total monitoring device receives the request of user, monitoring nodes dress where to data
Sending data synchronization request is set, total storage device is written in the metadata that node server is returned；The number of the node server
When according to version updating occurs, Directory Synchronization request is sent to total monitoring device, by catalogue and metadata updates；The monitoring nodes
When device receives the synchronization request of director server, metadata is returned into director server.
The director server periodic synchronization data are cited node server metadata.
The data that the director server has been cited will not be deleted with the deletion of node server data, data citation
Director server can save the metadata for being currently cited versions of data.
When the director server stops the write-in to total storage device, the director server stops receiving from outside
Data.
The process of the execution of master and slave node is described with reference to the accompanying drawing.
1. node server updates metadata information process to director server:
See Fig. 1, which, which is node server, updates metadata information process to director server:
When data citation node server generates update, request is issued to data citation director server, if data citation is total
Server is normal, requests successfully, and the data metadata of update is sent to director server by node server, and director server is by first number
Disk is written according to updating, and more new directory, process terminate；
When data are cited under director server abnormal conditions, then the flag bit that marks the data metadata of new version whether normally to update
Abnormal, then whether the monitoring device of starter node server, periodic test director server restore normal.
In the case where data are cited director server abnormal conditions, if there is data update again, because of labeled exception, number
Whether according to only can be in local update with metadata, and it be normal to continue cyclic check director server.
When periodic test to director server restores normal, by data metadata, normally whether label is set as normal
Afterwards, local data metadata information is updated to director server.
2. data citation director server periodically actively updates metadata information process
See Fig. 2, each node server under normal circumstances, director server periodically to each monitoring nodes device send metadata updates
Data metadata information is returned to director server by request, each node server, and director server updates local metadata and catalogue
Information, and the time for marking abnormal data last time to update.
Under node server abnormal conditions, director server marks abnormal data, and maintaining the latest update time is upper one
It is secondary to update the normal time, until next subnormal update.
Under node server abnormal conditions, director server label is abnormal, and more frequently being periodic test node takes
Whether business device is normal.
3. data are cited product process
See Fig. 3, when user issues data citation request, data citation node server receives request, and takes to total node
Business device sends request, and by data metadata and citation information write-in director server disk, final data is cited director server and generates
Data citation identifier simultaneously returns to user；
4. data are cited browsing process
Fig. 4 is seen, when user, which is cited identifier by data, accesses data, if data are the newest of node server corresponding data
User is navigated to the data source of respective nodes server by version, director server；
When the data updated version of node server, director server is cited the version information in identifier according to data,
User is navigated into the data source version that node server is saved when identifier generates.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of online data is cited system, which is characterized in that described total including a director server and multiple node servers
Server includes total storage device and total monitoring device, and the node server includes node storage device and monitoring nodes dress
It sets；When total monitoring device receives the synchronization request of node server transmission, the catalogue and metadata of more new data guarantee
Two places information unification；The directory information that director server saves includes the source of data, version number and description metadata；Total monitoring
When device receives the inquiry and retrieval request of user, local directory is retrieved, data information is returned into user；Total monitoring device
When receiving the data access request of user, monitoring nodes where user's request is forwarded to data according to local directory information are filled
It sets；When total monitoring device receives the request of user, monitoring nodes device issues data synchronization request where to data, will
Total storage device, and more new directory is written in the metadata that node server returns；Version occurs for the data of the node server
When update, Directory Synchronization request is sent to total monitoring device, by catalogue and metadata updates；The monitoring nodes device receives
When the synchronization request of director server, metadata is returned into director server and more new directory.
2. online data according to claim 1 is cited system, which is characterized in that the director server periodic synchronization data
It is cited node server metadata.
3. online data according to claim 1 is cited system, which is characterized in that the member that the director server has been cited
Data will not be deleted with the deletion of node server metadata, and data citation director server, which can save, is currently cited data
The metadata of version.
4. online data according to claim 1 is cited system, which is characterized in that when the director server stops to described
When the write-in of total storage device, the director server stops receiving data from outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512937.0A CN109218340A (en) | 2017-06-29 | 2017-06-29 | A kind of online data citation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512937.0A CN109218340A (en) | 2017-06-29 | 2017-06-29 | A kind of online data citation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109218340A true CN109218340A (en) | 2019-01-15 |
Family
ID=64960511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512937.0A Pending CN109218340A (en) | 2017-06-29 | 2017-06-29 | A kind of online data citation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109218340A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493831A (en) * | 2008-01-22 | 2009-07-29 | 图尼维齐公司 | System and methods for the remote measurement of a person's biometric data in a controlled state by way of synchronized music, video and lyrics |
| CN102204218A (en) * | 2011-05-31 | 2011-09-28 | 华为技术有限公司 | Data processing method, buffer node, collaboration controller, and system |
| CN102307221A (en) * | 2011-03-25 | 2012-01-04 | 国云科技股份有限公司 | Cloud storage system and implementation method thereof |
| CN103605803A (en) * | 2013-12-09 | 2014-02-26 | 中山爱科数字家庭产业孵化基地有限公司 | Method for acquiring environmental-protection scientific and technological resources |
| US9116819B2 (en) * | 2012-10-17 | 2015-08-25 | Datadirect Networks, Inc. | Reducing metadata in a write-anywhere storage system |
| CN106599308A (en) * | 2016-12-29 | 2017-04-26 | 郭晓凤 | Distributed metadata management method and system |
-
2017
- 2017-06-29 CN CN201710512937.0A patent/CN109218340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493831A (en) * | 2008-01-22 | 2009-07-29 | 图尼维齐公司 | System and methods for the remote measurement of a person's biometric data in a controlled state by way of synchronized music, video and lyrics |
| CN102307221A (en) * | 2011-03-25 | 2012-01-04 | 国云科技股份有限公司 | Cloud storage system and implementation method thereof |
| CN102204218A (en) * | 2011-05-31 | 2011-09-28 | 华为技术有限公司 | Data processing method, buffer node, collaboration controller, and system |
| US9116819B2 (en) * | 2012-10-17 | 2015-08-25 | Datadirect Networks, Inc. | Reducing metadata in a write-anywhere storage system |
| CN103605803A (en) * | 2013-12-09 | 2014-02-26 | 中山爱科数字家庭产业孵化基地有限公司 | Method for acquiring environmental-protection scientific and technological resources |
| CN106599308A (en) * | 2016-12-29 | 2017-04-26 | 郭晓凤 | Distributed metadata management method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104281506A (en) | Data maintenance method and system for file system | |
| US6516327B1 (en) | System and method for synchronizing data in multiple databases | |
| CN103955486B (en) | Distribution service and its data update, the method for data query | |
| US8458181B2 (en) | Distributed free block map for a clustered redirect-on-write file system | |
| EP2596425B1 (en) | Membership tracking and data eviction in mobile middleware scenarios | |
| CN103530362B (en) | A kind of computer data reading/writing method for many copies distributed system | |
| CN103379159B (en) | A kind of method that distributed Web station data synchronizes | |
| CN104156361B (en) | A kind of method and system for realizing data syn-chronization | |
| US10726042B2 (en) | Replication control using eventually consistent meta-data | |
| CN104021200B (en) | The method of data synchronization and device of a kind of database | |
| CN106055698A (en) | Data migration method, agent node and database instance | |
| CN103701913B (en) | Data synchronization method and device | |
| US10235251B2 (en) | Distributed disaster recovery file sync server system | |
| CN109783193A (en) | A kind of mirror image file management method that can be multiplexed in multiple domain cloud platform | |
| CN104104739A (en) | Data synchronization method for metadata service cluster of cloud storage system | |
| CN105959420A (en) | Multi-client metadata synchronous update method and device | |
| CN107302569A (en) | A kind of security monitoring Data acquisition and storage method of facing cloud platform | |
| US8756194B1 (en) | Cloud-based data replication for web applications with replica identifier reassignment feature | |
| US20160275085A1 (en) | Methods for facilitating a nosql database with integrated management and devices thereof | |
| CN109271367A (en) | Distributed file system multinode snapshot rollback method and system | |
| CN108762982A (en) | A kind of database restoring method, apparatus and system | |
| CN107249045B (en) | Portable endoscope multi-modal information synchronous storage method and system | |
| WO2015094195A1 (en) | Transaction query engine | |
| US9870402B2 (en) | Distributed storage device, storage node, data providing method, and medium | |
| CN109218340A (en) | A kind of online data citation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |