CN109067913A - A kind of method and device for maintaining data synchronous - Google Patents
A kind of method and device for maintaining data synchronous Download PDFInfo
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- CN109067913A CN109067913A CN201811095524.8A CN201811095524A CN109067913A CN 109067913 A CN109067913 A CN 109067913A CN 201811095524 A CN201811095524 A CN 201811095524A CN 109067913 A CN109067913 A CN 109067913A
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Classifications
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
-
- 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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of method and devices that maintenance data are synchronous, this method comprises: whether real-time detection cloud client-side and the data of server side storage are identical；When determining the data difference that cloud client-side is stored with server side, the last modification time of the last modification time of data of cloud client-side storage and the data of server side storage is obtained；The side of more new data not in time is determined according to the last modification time of the last modification time of data of cloud client-side storage and the data of server side storage, and data are carried out by side of the pre-established communication transmission passage to not more new data and are synchronized.By the above-mentioned means, user can the data directly to cloud client-side handle, avoid network bandwidth it is insufficient caused by data transmission it is slow, intelligent link agreement is not compatible with virtualization image processor, and data is caused to can not achieve rendering.Or even if server delay machine, processing of the user to data will not be influenced.And then greatly promote user experience.
Description
Technical field
The present invention relates to technical field of image processing, and in particular to a kind of method and device for maintaining data synchronous.
Background technique
With the rise of virtualization technology, virtualization technology is widely used.Such as virtualizing graphics processing.It is empty
Quasi-ization image processor only supports XenServer and VMware.
When carrying out data transmission between virtual server and cloud client, need to carry out figure by virtualizing image processor
As rendering, still, the connection protocol between virtual server and cloud client is not powerful enough and intelligent, leads to the network money of distribution
It is smooth that source is not sufficient to ensure that video etc. plays.Moreover, cloud desktop cannot continue to support work when server delay machine.In addition,
Existing agreement cannot support vGPU, be another reason for causing video that cannot play.For example, by using containment (Secure
Shell, abbreviation SSH) agreement, Remote Desktop Protocol (Remote Desktop Protocol, abbreviation RDP) agreement, virtual network
Console (Virtual Network Console, abbreviation VNC) etc. cannot support the playing function of video, and SPICE is only used for
KVM (virtual management program), but KVM cannot support Vgpu.In this way, network bandwidth deficiency, connection protocol with
GPU, though how to guarantee cloud client network bandwidth deficiency, or virtualization image processor and connection protocol it is incompatible
In the case of or Cloud Server delay machine in the case where, how to guarantee that cloud client remains to then become institute by client's normal use
Technical problems to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of method and devices that maintenance data are synchronous, to solve existing cloud client
Even if network bandwidth is insufficient or virtualization image processor and connection protocol it is incompatible in the case where or cloud service
In the case where device delay machine, the problem of cloud client is remained to by client's normal use.
To achieve the above object, technical solution of the present invention provides a kind of method that maintenance data are synchronous, the maintenance number
Include: according to synchronous method
Whether real-time detection cloud client-side and the data of server side storage are identical；
When determining the data difference that cloud client-side is stored with server side, the data of cloud client-side storage are obtained most
The last modification time of modification time and the data of server side storage afterwards；
When according to the last modification of the last modification time of data of cloud client-side storage and the data of server side storage
Between determine the side of more new data not in time, and counted by side of the pre-established communication transmission passage to not more new data
According to synchronization.
The present invention has the advantage that once detecting the data of the storage of cloud client-side and the data of server side storage
Difference, then just carrying out real-time update to the side data not being updated in two sides.That is, by the data of server-side in visitor
Family end side backups.In this way, user can the data directly to cloud client-side handle, without need
When handling data, when especially handling video data, it is also necessary to be downloaded from server-side, avoid network bandwidth deficiency and lead
The data transmission of cause is slow, and intelligent link agreement is not compatible with virtualization image processor, and data is caused to can not achieve rendering.And or
Person will not influence processing of the user to data even if server delay machine.By the above-mentioned means, user's body can be greatly promoted
It tests.
To achieve the above object, technical solution of the present invention provides a kind of device that maintenance data are synchronous, the maintenance number
Include: according to synchronous device
Communication transmission passage establishes unit, for establishing between cloud client and server according to intelligent link agreement
Communication transmission passage；
Whether detection unit, the data stored for real-time detection cloud client-side and server side are identical；
Processing unit, for obtaining cloud client when determining the data difference that cloud client-side is stored with server side
The last modification time of the data of the last modification time of data and server side storage of side storage；
When according to the last modification of the last modification time of data of cloud client-side storage and the data of server side storage
Between determine the side of more new data not in time, and counted by side of the pre-established communication transmission passage to not more new data
According to synchronization.
The present invention has the advantage that once detecting the data of the storage of cloud client-side and the data of server side storage
Difference, then just carrying out real-time update to the side data not being updated in two sides.That is, by the data of server-side in visitor
Family end side backups.In this way, user can the data directly to cloud client-side handle, without need
When handling data, when especially handling video data, it is also necessary to be downloaded from server-side, avoid network bandwidth deficiency and lead
The data transmission of cause is slow, and intelligent link agreement is not compatible with virtualization image processor, and data is caused to can not achieve rendering.And or
Person will not influence processing of the user to data even if server delay machine.By the above-mentioned means, user's body can be greatly promoted
It tests.
Detailed description of the invention
Fig. 1 is a kind of method flow schematic diagram for maintaining data synchronous provided in an embodiment of the present invention；
Fig. 2 is a kind of apparatus structure schematic diagram for maintaining data synchronous provided in an embodiment of the present invention.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The embodiment of the present invention 1 provides a kind of method flow schematic diagram that maintenance data are synchronous.It specifically as shown in Figure 1, should
Method may include:
Step 110, whether real-time detection cloud client-side and the data of server side storage are identical.
Step 120, when determining the data difference that cloud client-side is stored with server side, the storage of cloud client-side is obtained
The last modification time of data and server side storage data last modification time.
Step 130, most according to the last modification time of data of cloud client-side storage and the data of server side storage
Modification time determines the side of more new data not in time afterwards, and by pre-established communication transmission passage to the one of not more new data
It is synchronous that side carries out data.
Specifically, delay machine, the feelings that data are easily lost or server temporarily deactivates can occur for server side in order to prevent
When condition occurs or user needs to handle data, if first from server downloading, it is likely that there is network bandwidth deficiency,
Data transmission delay；Or it is if virtual in the incompatible client of the connection protocol of server-side and client-side
Change image processor, causes the data of server-side current transmission that can not show etc. in client-side.It then can be with
It realizes all data all synchronized updates of server-side to cloud client-side, i.e., by the data of server-side in client
It backs up end side.Even if any problem occurs for network or server, data will not all be impacted, naturally also will not
Any influence is brought to user.User can directly be handled data in cloud client-side.So, it is taken to realize
The real-time synchronization update for device side and the client-side data of being engaged in, needs real-time detection cloud client-side and server side to deposit naturally
Whether the data of storage are identical.If the data of two sides are different, need to determine respectively two sides finally to the modification time of data, most
That side of modification time later necessarily newest side for modifying data afterwards, then then need by modification time earlier one
Side data is updated.
And realize the mode that data update, exactly the data of the newest side for modifying data are transferred to and are updated not in time
The side of data, and transmission mode is exactly to be transmitted by pre-established communication transmission passage, then update not in time side into
Row data update.
For example, ought be according to the last of the data for the last modification time of data and the server side storage that cloud client-side stores
When modification time determines that the side of more new data not in time is cloud client-side, server-side data is passed through into pre-established communication
Transmission channel is synchronized to cloud client-side；
Alternatively, ought be according to the last of the data for the last modification time of data and the server side storage that cloud client-side stores
When modification time determines that the side of more new data not in time is server side, cloud client-side data is passed through into pre-established communication
Transmission channel is synchronized to server side.
Optionally, prior to step 110, this method can also include step 105: according to intelligent link agreement, establish cloud
Communication transmission passage between client and server.And transmission channel here may include the channel SSH or socket logical
Road.
Optionally, in order to guarantee that data storage security is reliable, evade due to hard disk corruptions and the risk of loss of data occur,
Client process performance will not be caused to decline because mass data stores also for guarantee client-side, data displaying has card
Pause and happen, in cloud visitor end side in the present embodiment, storage mode may include: that distributed storage is mutually tied with FC storage
It closes.
Wherein, FC storage is used as system disk, the associated documents of storage program area.Distributed storage mode is for storing number
According to.
Optionally, in order to promoted cloud client-side virtual machine and Active Directory Deep integrating, can Agent for the first time
After starting, it is automatically added to specified domain control server.To avoid adding domain or renaming after cloud client first powers on for the first time
Repeatedly restart Deng needs when operating, to promote working efficiency.
It should be noted that data mentioned here generally can be video data, image data etc..Certainly, other are counted
According to be also can using aforesaid way realize.Only typically, and video data and image data etc. are compared to lteral data
Occupied byte is some more, and virtualizes image processor and also mainly render to video or picture, so such as
Fruit is directly transmitted by connection protocol, then may be easier to be affected.Therefore, real-time synchronization is to cloud client-side, more
Favorably.Its application scenarios is, for example, corporate training, the training of major universities and colleges or multimedia teaching etc., the limited time the case where
Under, the real-time video for arriving server downloading needs again is not needed to client.Moreover, the video image or picture that are shown
It Deng is rendered and is shown locally, more meet their requirement, especially meet 3D application requirement, promote 3D teaching
Quality.
It, can be in addition, cloud client has all data of backup server side due in the above embodiment of the present invention
Evade in the prior art High Availabitity shutdown in the case where, between cloud client and server can disconnection, caused by client make
With the case where occur.Client directly uses the data of cloud client-side, so even if High Availabitity shut down, will not to
Family causes any impact.
A kind of method for maintaining data synchronous provided in an embodiment of the present invention, once the number of the storage of detection cloud client-side
According to different with the data that server side stores, then just carrying out real-time update to the side data not being updated in two sides.That is,
The data of server-side are backuped in client-side.In this way, user can directly to cloud client-side number
According to being handled, without when needing to handle data, especially processing video data when, it is also necessary under server-side
It carries, avoiding data transmission caused by network bandwidth deficiency, slowly, intelligent link agreement is not compatible with virtualization image processor, leads
Data are caused to can not achieve rendering.Or even if server delay machine, processing of the user to data will not be influenced.By above-mentioned
Mode can greatly promote user experience.
Embodiment 2
It is corresponding with embodiment 1, it is specific as schemed the embodiment of the invention also provides a kind of device that maintenance data are synchronous
Shown in 2, which includes: detection unit 201 and processing unit 202.
Whether detection unit 201, the data stored for real-time detection cloud client-side and server side are identical；
Processing unit 202, for obtaining cloud client when determining the data difference that cloud client-side is stored with server side
The last modification time of the data of the last modification time of data and server side storage of end side storage；
When according to the last modification of the last modification time of data of cloud client-side storage and the data of server side storage
Between determine the side of more new data not in time, and counted by side of the pre-established communication transmission passage to not more new data
According to synchronization.
Optionally, which can also include: that communication transmission passage establishes unit 203, be used for according to intelligent link agreement,
Establish the communication transmission passage between cloud client and server.
Optionally, processing unit 202 is specifically used for, when the last modification time kimonos of the data stored according to cloud client-side
When the last modification time of the data of business device side storage determines that the side of more new data not in time is cloud client-side, by server
Side data is synchronized to cloud client-side by pre-established communication transmission passage；
Alternatively, ought be according to the last of the data for the last modification time of data and the server side storage that cloud client-side stores
When modification time determines that the side of more new data not in time is server side, cloud client-side data is passed through into pre-established communication
Transmission channel is synchronized to server side.
Optionally, cloud client storage mode includes: that distributed storage and FC storage combine.
Function performed by each component is in above-mentioned reality in the device provided in an embodiment of the present invention for maintaining data synchronous
It applies and is had been described in detail in example 1, therefore be not described in detail here.
A kind of device for maintaining data synchronous provided in an embodiment of the present invention, once the number of the storage of detection cloud client-side
According to different with the data that server side stores, then just carrying out real-time update to the side data not being updated in two sides.That is,
The data of server-side are backuped in client-side.In this way, user can directly to cloud client-side number
According to being handled, without when needing to handle data, especially processing video data when, it is also necessary under server-side
It carries, avoiding data transmission caused by network bandwidth deficiency, slowly, intelligent link agreement is not compatible with virtualization image processor, leads
Data are caused to can not achieve rendering.Or even if server delay machine, processing of the user to data will not be influenced.By above-mentioned
Mode can greatly promote user experience.
Embodiment 3
In addition, being stored thereon with computer program the embodiment of the invention also provides a kind of computer readable storage medium
Instruction, the program instruction realize the method and step of above-described embodiment 1 when being executed by processor.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of method for maintaining data synchronous, which is characterized in that the described method includes:
Whether real-time detection cloud client-side and the data of server side storage are identical；
When determining the data difference that cloud client-side is stored with server side, the data of the cloud client-side storage are obtained most
The last modification time of modification time and the data of server side storage afterwards；
It is repaired according to the last modification time of data of cloud client-side storage and the last of the data of server side storage
Change the side that the time determines more new data not in time, and by pre-established communication transmission passage to the side of not more new data into
Row data are synchronous.
2. the method according to claim 1, wherein the real-time detection cloud client-side and server side storage
Data it is whether identical before, the method also includes: according to intelligent link agreement, establish between cloud client and server
Communication transmission passage.
3. method according to claim 1 or 2, which is characterized in that the data stored according to the cloud client-side are last
Modification time and the last modification time of the data of server side storage determine the side of more new data not in time, and pass through
Pre-established communication transmission passage carries out data to the side of not more new data and synchronizes, and specifically includes:
It is last when the data that the last modification time of data stored according to the cloud client-side and the server side store
When modification time determines that the side of more new data not in time is cloud client-side, server-side data is passed through described pre-established
Communication transmission passage is synchronized to the cloud client-side；
Alternatively, ought be according to the data for the last modification time of data and server side storage that the cloud client-side stores
When last modification time determines that the side of more new data not in time is server side, cloud client-side data is passed through into the built in advance
Vertical communication transmission passage is synchronized to the server side.
4. method according to claim 1 or 2, which is characterized in that the cloud client storage mode includes: that distribution is deposited
Storage and FC storage combine.
5. a kind of device for maintaining data synchronous, which is characterized in that described device includes:
Whether detection unit, the data stored for real-time detection cloud client-side and server side are identical；
Processing unit, for obtaining the cloud client when determining the data difference that cloud client-side is stored with server side
The last modification time of the data of the last modification time of data and server side storage of side storage；
It is repaired according to the last modification time of data of cloud client-side storage and the last of the data of server side storage
Change the side that the time determines more new data not in time, and by pre-established communication transmission passage to the side of not more new data into
Row data are synchronous.
6. device according to claim 5, which is characterized in that described device further include:
Communication transmission passage establishes unit, for establishing the communication between cloud client and server according to intelligent link agreement
Transmission channel.
7. device according to claim 5 or 6, which is characterized in that the processing unit is specifically used for, when according to the cloud
Client-side storage the last modification time of data and the server side storage data last modification time determine not and
When more new data side when being cloud client-side, server-side data is passed through into the pre-established communication transmission passage synchronization
To the cloud client-side；
Alternatively, ought be according to the data for the last modification time of data and server side storage that the cloud client-side stores
When last modification time determines that the side of more new data not in time is server side, cloud client-side data is passed through into the built in advance
Vertical communication transmission passage is synchronized to the server side.
8. device according to claim 5 or 6, which is characterized in that the cloud client storage mode includes: that distribution is deposited
Storage and FC storage combine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811095524.8A CN109067913A (en) | 2018-09-19 | 2018-09-19 | A kind of method and device for maintaining data synchronous |
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| CN201811095524.8A CN109067913A (en) | 2018-09-19 | 2018-09-19 | A kind of method and device for maintaining data synchronous |
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