CN106027651A - Data continuous transmission method and device - Google Patents
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- CN106027651A CN106027651A CN201610342281.8A CN201610342281A CN106027651A CN 106027651 A CN106027651 A CN 106027651A CN 201610342281 A CN201610342281 A CN 201610342281A CN 106027651 A CN106027651 A CN 106027651A
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Information Transfer Between Computers (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
This invention discloses a data continuous transmission method. The method comprises the following steps: receiving a file query request sent by a user through a storage cluster and executing a query operation; detecting a queried file which needs to be uploaded; judging whether the file satisfies a preset requirement or not; if so, uploading the file and calculating the uploading bandwidth; if not, sending the block sizes of the file which needs to be continuously transmitted to the user; and executing the continuous transmission operation. The data continuous transmission method is adaptive to the network situation of the user, and avoids the user to repeatedly transmit the transmitted part so as to save the data flow of the user. This invention further discloses a data continuous transmission device.
Description
Technical field
It relates to Computer Applied Technology field, particularly relate to continuous transmission method and the device of a kind of data.
Background technology
At present, object is stored in the spring tide of the Internet and receives extensive concern, and has obtained rapid development.Object storage is different from file storage, and object 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 unique mark within the storage system, and user accesses container or object by this mark.Flat data organizational structure is used to abandon the file of nesting, it is to avoid to safeguard huge directory tree.Big data and Internet era, file/the object of storage exceedes up to a million, and access times and concurrent visit capacity in the unit interval have also reached unprecedented magnitude, in this case, directory tree brings the biggest expense and problems can to storage system, becomes the bottleneck of system.The factor that another one allows object storage shine vitality is, object storage does not reoffer interface compatible for POSIX (such as open, close, read, write etc.), but can be interacted by HTTP Restful api interface and object easily: carry out uploading download by PUT and GET, deleted by DELETE.
Object storage is widely used in storage video, picture and the most various types of file of daily record, but the network environment that user uploads is had nothing in common with each other: 1. the internal applications directly uploaded onto the server by LAN；2. applying across IDC by backbone network or special line；3. applied by the public network of partial wideband；4. by the application of mobile internet access.
But, the bug that four kinds of environment network bandwidth mentioned above are very different and every kind of environment is all likely to occur network jitter or application itself causes files passe to problem failed in object storage cluster.At this point it is necessary to process the breakpoint transmission request of user, i.e. for being saved in the data in storage server, notify user to need not again and upload, but perform to resume from end.
In object stores, traditional breakpoint transmission scheme is all to allow user upload by one fixing piecemeal size of regulation, this traditional scheme does not adapt to network environment the most complicated and changeable, in the case of user network is poor, this fixing partition strategy can cause user constantly to retry the part passed, so can cause the significant wastage to flow, and serious threat Consumer's Experience.
Summary of the invention
Based on this, it is necessary to provide one to save flow, it is to avoid the continuous transmission method of the data of re-transmission and device.
A kind of continuous transmission method of data, the method includes:
Storage cluster receives the file query requests that user sends, and performs inquiry operation；
The described file uploading the needs inquired detects, it may be judged whether meet preset requirement；
If desired the described file uploaded meets described preset requirement, then perform upload and calculate uploading bandwidth；
If desired the described file uploaded does not meets described preset requirement, then the piecemeal size of the described file resumed by needs sends to user, performs to resume operation.
Wherein in an embodiment, wherein, described storage cluster receives the file query requests that user sends, and performs inquiry operation and includes:
If inquiring the numbering of uploading of described file, the list of each piecemeal that described file has been uploaded by described storage cluster sends to user；
Upload numbering described in described file if not inquiring, described storage cluster by have mark unique described in upload numbering and send to user, and the list arranging each piecemeal that described file has been uploaded is sky.
Wherein in an embodiment, wherein, the described file that the described needs to inquiring are uploaded detects, it may be judged whether meets preset requirement and includes:
If the described file uploaded meets described preset requirement, record and the associated plurality of information of described file, wherein, the plurality of information includes: upload request time of the described file that user sends, be written to the size of the described file of disk, described file is written to the end time of described disk；
If the described file uploaded does not meets described preset requirement, then the piecemeal size of the described file uploaded by needs sends to user.
Wherein in an embodiment, wherein, the described described file if desired uploaded meets described preset requirement, then perform to upload and calculate uploading bandwidth and include；
Upload request time of the described file sent according to user, it is written to the size of the described file of disk, described file is written to end time of described disk calculates user and upload the bandwidth of described file；
Judge that whether user uploads the described bandwidth of described file less than pre-set bandwidths；
When user uploads the described bandwidth of described file less than described pre-set bandwidths, it is determined that for slow network, when user uploads the described bandwidth of described file more than or equal to described pre-set bandwidths, it is determined that for express network.
Wherein in an embodiment, wherein, the described described file if desired uploaded does not meets described preset requirement, then the piecemeal size of the described file resumed by needs sends to user, performs to resume operation and includes:
When the described bandwidth that user uploads described file is judged to slow network, the piecemeal size needing the described file resumed is preset value；
When the described bandwidth that user uploads described file is judged to express network, the piecemeal size of the described file that needs resume is set, and configuration information is sent to user；
Wherein, user accepts described configuration information, then the piecemeal size of the described file resumed according to the needs arranged performs to resume operation；
When user does not accepts described configuration information, then the piecemeal size of the described file resumed required for default is sent to described storage cluster.
A kind of data resume device, including:
Enquiry module, receives, for storage cluster, the file query requests that user sends, and performs inquiry operation；
Detection module, detects for the described file uploading the needs inquired, it may be judged whether meet preset requirement；
Uploading computing module, the described file for if desired uploading meets described preset requirement, then perform upload and calculate uploading bandwidth；
Resume module, do not meet described preset requirement for the described file if desired uploaded, then the piecemeal size of the described file resumed by needs sends to user, performs to resume operation.
Wherein in an embodiment, wherein, described enquiry module includes:
List sending module, if for the numbering of uploading inquiring described file, the list of each piecemeal that described file has been uploaded by described storage cluster sends to user；
List arranges module, if uploading numbering described in described file for not inquiring, described storage cluster by have mark unique described in upload numbering and send to user, and the list arranging each piecemeal that described file has been uploaded is sky.
Wherein in an embodiment, wherein, described detection module includes:
Logging modle, if the described file for uploading meets described preset requirement, record and the associated plurality of information of described file, wherein, the plurality of information includes: upload request time of the described file that user sends, be written to the size of the described file of disk, described file is written to the end time of described disk；
Piecemeal sending module, if the described file for uploading does not meets described preset requirement, then the piecemeal size of the described file uploaded by needs sends to user.
Wherein in an embodiment, wherein, upload computing module described in include；
Computing module, upload request time of the described file for sending according to user, is written to the size of the described file of disk, described file is written to end time of described disk calculates user and upload the bandwidth of described file；
Judge module, for judging that whether user uploads the described bandwidth of described file less than pre-set bandwidths；
Determination module, for when user uploads the described bandwidth of described file less than described pre-set bandwidths, it is determined that for slow network, when user uploads the described bandwidth of described file more than or equal to described pre-set bandwidths, it is determined that for express network.
Wherein in an embodiment, wherein, resume module described in include:
First resumes module, and for when the described bandwidth that user uploads described file is judged to slow network, the piecemeal size needing the described file resumed is preset value；
Piecemeal arranges module, for when the described bandwidth that user uploads described file is judged to express network, arranges the piecemeal size of the described file that needs resume, and sends configuration information to user；
Wherein, user accepts described configuration information, then the piecemeal size of the described file resumed according to the needs arranged performs to resume operation；
When user does not accepts described configuration information, then the piecemeal size of the described file resumed required for default is sent to described storage cluster.
The continuous transmission method of above-mentioned data and device, receive, by storage cluster, the file query requests that user sends, and performs inquiry operation；The file uploading the needs inquired detects, it may be judged whether meet preset requirement；If desired the file uploaded meets preset requirement, then perform upload and calculate uploading bandwidth；If desired the file uploaded does not meets preset requirement, then the piecemeal size of the file resumed by needs sends to user, performs to resume operation.The continuous transmission method of above-mentioned data can the network condition of adaptive user, it is to avoid user retransmits the part passed repeatedly, saves customer flow.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the continuous transmission method of data in an embodiment；
Fig. 2 is the structural representation resuming device of data in an embodiment；And
Fig. 3 is the structural representation resuming device of data in another embodiment.
Detailed description of the invention
For making the purpose of the disclosure, technical scheme and advantage of greater clarity, below in conjunction with detailed description of the invention and referring to the drawings, the disclosure is further described.It should be understood that these describe the most exemplary, and it is not intended to limit the scope of the present disclosure.Additionally, in the following description, eliminate the description to known features and technology, to avoid unnecessarily obscuring the concept of the disclosure.
Seeing Fig. 1, in an embodiment, it is provided that the continuous transmission method of a kind of data, the method comprises the following steps:
Step 102, storage cluster receives the file query requests that user sends, and performs inquiry operation.
In the present embodiment, if inquiring the numbering of uploading of file, the list of each piecemeal that file has been uploaded by storage cluster sends to user；If not inquiring the numbering of uploading of file, the numbering of uniquely uploading with mark is sent to user by storage cluster, and the list arranging each piecemeal that file has been uploaded is sky.
It should be noted that, user is with the entitled parameter of file, request is initiated to storage cluster, whether inquiry has is uploaded numbering and (uploads that to number be the symbol once uploaded of unique mark, it is same that upload that numbering represents is with once uploading, such as, five piecemeals of the forward pass of certain file, this numbering can be recorded in storage cluster and have been carried out uploading of five piecemeals, user becomes and can continue to pass the 6th piecemeal), storage cluster receives request, inquires about data base, can have two kinds of situations: upload numbering；Do not upload numbering.When uploading numbering, storage cluster returns to the list of each piecemeal that user's this document has been uploaded；When not uploading numbering, storage cluster returns to user one and uniquely uploads numbering, and arranges the list uploaded for empty.
Step 104, the file uploading the needs inquired detects, it may be judged whether meet preset requirement.
In the present embodiment, if the file uploaded meets preset requirement, recording multiple information associated with the file, wherein, multiple information include: upload request time of the file that user sends, be written to the size of the file of disk, file is written to the end time of disk；If the file uploaded does not meets preset requirement, then the piecemeal size of the file uploaded by needs sends to user.
It should be noted that after storage cluster receives the piecemeal that user uploads, it is necessary first to check whether user's piecemeal size that this time user uploads meets the requirements.If do not met, then return the piecemeal size that user should upload, and return to user, it is desirable to user retransmits；Meeting the requirements if user uploads, record user initiates the time of request, and writes data among the disk of rear end, records the time after writing, and thus algorithm can calculate the uploading bandwidth of user.Now it is divided into two kinds of situations: user uses the slow network that bandwidth is less than pre-set bandwidths；User uses bandwidth to be higher than the higher speed network of pre-set bandwidths.Wherein, pre-set bandwidths is 1MB/s.
Step 106, the described file if desired uploaded meets described preset requirement, then perform upload and calculate uploading bandwidth.
In the present embodiment, upload request time of the file sent according to user, it is written to the size of the file of disk, file is written to end time of disk calculates the bandwidth of the upper transmitting file of user；Judge that whether the bandwidth of the upper transmitting file of user is less than pre-set bandwidths；When the bandwidth of the upper transmitting file of user is less than pre-set bandwidths, it is determined that for slow network, when the bandwidth of the upper transmitting file of user is more than or equal to pre-set bandwidths, it is determined that for express network.Wherein, pre-set bandwidths is 1MB/s.
Step 108, the described file if desired uploaded does not meets described preset requirement, then the piecemeal size of the described file resumed by needs sends to user, performs to resume operation.
In the present embodiment, when the bandwidth of the upper transmitting file of user is judged to slow network, the piecemeal size needing the file resumed is preset value, and such as, preset value is 1MB；When the bandwidth of the upper transmitting file of user is judged to express network, the piecemeal size of the file that needs resume is set, and configuration information is sent to user；Wherein, user accepts configuration information, then the piecemeal size of the file resumed according to the needs arranged performs to resume operation；When user does not accepts configuration information, then the piecemeal size of the file resumed required for default is sent to storage cluster.
It should be noted that, owing to the network condition of user is the best, returning its piecemeal size uploaded to user is preset value, such as, preset value is 1MB, if user network situation does not take a turn for the better, then it is continuing with this piecemeal size to upload, and measure according to the Bandwidth Measurement Method mentioned in above-described embodiment, improve piecemeal size, until file is all uploaded successfully；User network is all right, then according to the bandwidth situation of user, one bigger piecemeal size is set, and recorded in the data base of oneself, and ask the user whether to agree to this piecemeal size, after user receives request, can selecting to accept or do not accept the proposal of storage cluster according to this piecemeal size, if accepted, then directly uploading piecemeal according to this piecemeal size, otherwise, the data of the piecemeal size that a user considers appropriate will be sent.
Further, storage cluster receives data, check whether it is with its piecemeal arranged in the above-described embodiments is in the same size, if it is consistent, follow-up uploading all performs according to this piecemeal size, otherwise, update the data base of storage cluster, and perform follow-up uploading according to new piecemeal size, and follow-up be required to detection and upload whether piecemeal size closes rule, when the follow-up network speed of user deteriorates, once find that the network speed of user is less than pre-set bandwidths, then mention such as above-described embodiment, unconditionally arranging piecemeal size is preset value, such as, preset value is 1MB, and require that user performs.Wherein, pre-set bandwidths is 1MB/s.
The continuous transmission method of above-mentioned data, receives, by storage cluster, the file query requests that user sends, and performs inquiry operation；The file uploading the needs inquired detects, it may be judged whether meet preset requirement；If desired the file uploaded meets preset requirement, then perform upload and calculate uploading bandwidth；If desired the file uploaded does not meets preset requirement, then the piecemeal size of the file resumed by needs sends to user, performs to resume operation.The continuous transmission method of above-mentioned data can the network condition of adaptive user, it is to avoid user retransmits the part passed repeatedly, saves customer flow.
Based on same inventive concept, in one embodiment, it is also proposed that a kind of data resume device.Such as Fig. 2, the device 10 that resumes of these data includes enquiry module 200, detection module 400, uploads computing module 600 and resume module 800.
Wherein, enquiry module 200 receives, for storage cluster, the file query requests that user sends, and performs inquiry operation；Detection module 400 detects for the file uploading the needs inquired, it may be judged whether meet preset requirement；Upload computing module 600 and meet preset requirement for the file if desired uploaded, then perform upload and calculate uploading bandwidth；Resume module 800 and do not meet preset requirement for the file if desired uploaded, then the piecemeal size of the file resumed by needs sends to user, performs to resume operation.
Additionally, such as Fig. 3, in one embodiment, enquiry module 200 includes: list sending module 210 and list arrange module 220.Wherein, if list sending module 210 is for inquiring the numbering of uploading of file, the list of each piecemeal that file has been uploaded by storage cluster sends to user；If list arranges module 220 for not inquiring the numbering of uploading of file, the numbering of uniquely uploading with mark is sent to user by storage cluster, and the list arranging each piecemeal that file has been uploaded is sky.
Such as Fig. 3, in one embodiment, detection module 400 includes: logging modle 410 and piecemeal sending module 420.Wherein, if logging modle 410 meets preset requirement for the file uploaded, recording multiple information associated with the file, wherein, multiple information include: upload request time of the file that user sends, be written to the size of the file of disk, file is written to the end time of disk；If piecemeal sending module 420 does not meets preset requirement for the file uploaded, then the piecemeal size of the file uploaded by needs sends to user.
Further, such as Fig. 3, in one embodiment, upload computing module 600 and include；Computing module 610, judge module 620 and determination module 630.Wherein, computing module 610 file for sending according to user the upload request time, be written to the size of the file of disk, file is written to end time of disk calculates the bandwidth of the upper transmitting file of user；Judge module 620 is for judging that whether the bandwidth of the upper transmitting file of user is less than pre-set bandwidths；Determination module 630 is for when the bandwidth of the upper transmitting file of user is less than pre-set bandwidths, it is determined that for slow network, when the bandwidth of the upper transmitting file of user is more than or equal to pre-set bandwidths, it is determined that for express network.Wherein, pre-set bandwidths is 1MB/s.
Further, such as Fig. 3, in one embodiment, resume module 800 and include: first resumes module 810 and piecemeal arranges module 820.Wherein, first resumes module 810 for when the bandwidth of the upper transmitting file of user is judged to slow network, and the piecemeal size needing the file resumed is preset value, and such as, preset value is 1MB；Piecemeal arranges module 820 for when the bandwidth of the upper transmitting file of user is judged to express network, arranging the piecemeal size of the file that needs resume, and send configuration information to user；Wherein, user accepts configuration information, then the piecemeal size of the file resumed according to the needs arranged performs to resume operation；When user does not accepts configuration information, then the piecemeal size of the file resumed required for default is sent to storage cluster.
Above-mentioned data resume device, by enquiry module 200 storage cluster receive user send file query requests, perform inquiry operation；The file uploaded, by detection module 400, the needs inquired again is detected, it may be judged whether meet preset requirement；Upload the file that computing module 600 if desired uploads and meet preset requirement, then perform upload and calculate uploading bandwidth；Resume the file that module 800 if desired uploads and do not meet preset requirement, then the piecemeal size of the file resumed by needs sends to user, performs to resume operation.The device that resumes of above-mentioned data can the network condition of adaptive user, it is to avoid user retransmits the part passed repeatedly, saves customer flow.
It should be appreciated that the above-mentioned detailed description of the invention of the disclosure is used only for exemplary illustration or explains the principle of the disclosure, and do not constitute restriction of this disclosure.Therefore, any modification, equivalent substitution and improvement etc. done in the case of without departing from the spirit and scope of the disclosure, within should be included in the protection domain of the disclosure.Additionally, disclosure claims be intended to fall in the equivalents on scope and border or this scope and border whole change and modifications example.
Claims (10)
1. a continuous transmission method for data, the method includes:
Storage cluster receives the file query requests that user sends, and performs inquiry operation；
The described file uploading the needs inquired detects, it may be judged whether meet preset requirement；
If desired the described file uploaded meets described preset requirement, then perform to upload and calculate to upload band
Wide；
If desired the described file uploaded does not meets described preset requirement, the then described literary composition resumed by needs
The piecemeal size of part sends to user, performs to resume operation.
Method the most according to claim 1, wherein, described storage cluster receives user and sends
File query requests, perform inquiry operation include:
If inquiring the numbering of uploading of described file, it is each that described file has been uploaded by described storage cluster
The list of individual piecemeal sends to user；
Uploading numbering described in described file if not inquiring, described storage cluster will have mark
Upload numbering described in Wei Yi to send to user, and the row of each piecemeal that described file has been uploaded are set
Table is empty.
Method the most according to claim 1, wherein, the described needs to inquiring are uploaded
Described file detects, it may be judged whether meets preset requirement and includes:
If the described file uploaded meets described preset requirement, record associated plurality of with described file
Information, wherein, the plurality of information includes: user send described file the upload request time,
It is written to the size of the described file of disk, described file is written to the end time of described disk；
If the described file uploaded does not meets described preset requirement, then the described file uploaded by needs
Piecemeal size sends to user.
Method the most according to claim 1, wherein, the described described file if desired uploaded
Meet described preset requirement, then perform to upload and calculate uploading bandwidth and include；
Upload request time of the described file sent according to user, it is written to the described file of disk
Size, described file is written to end time of described disk calculates user and upload the band of described file
Wide；
Judge that whether user uploads the described bandwidth of described file less than pre-set bandwidths；
When user uploads the described bandwidth of described file less than described pre-set bandwidths, it is determined that for low speed net
Network, when user uploads the described bandwidth of described file more than or equal to described pre-set bandwidths, it is determined that for height
Speed network.
5. according to the method described in claim 1 or 4, wherein, described if desired upload described
File does not meets described preset requirement, then the piecemeal size of the described file resumed by needs sends to using
Family, performs to resume operation and includes:
When the described bandwidth that user uploads described file is judged to slow network, it is described that needs resume
The piecemeal size of file is preset value；
When the described bandwidth that user uploads described file is judged to express network, arrange what needs resumed
The piecemeal size of described file, and configuration information is sent to user；
Wherein, user accepts described configuration information, then the described file resumed according to the needs arranged
Piecemeal size performs to resume operation；
When user does not accepts described configuration information, then by the described file that resumes required for default point
Block size sends to described storage cluster.
6. a breakpoint transmission device for data, including:
Enquiry module, receives, for storage cluster, the file query requests that user sends, and performs inquiry behaviour
Make；
Detection module, detects for the described file uploading the needs inquired, it may be judged whether
Meet preset requirement；
Upload computing module, meet described preset requirement for the described file if desired uploaded, then hold
Row is uploaded and calculates uploading bandwidth；
Resume module, do not meet described preset requirement for the described file if desired uploaded, then need to
The piecemeal size of described file to be resumed sends to user, performs to resume operation.
Device the most according to claim 6, wherein, described enquiry module includes:
List sending module, if for the numbering of uploading inquiring described file, described storage cluster will
The list of each piecemeal that described file has been uploaded sends to user；
List arranges module, if uploading numbering described in described file for not inquiring, described in deposit
Accumulation by have mark unique described in upload numbering and send to user, and described file is set
The list of each piecemeal uploaded is sky.
Device the most according to claim 6, wherein, described detection module includes:
Logging modle, if the described file for uploading meets described preset requirement, record and described literary composition
The associated plurality of information of part, wherein, the plurality of information includes: the described file that user sends
The upload request time, it is written to the size of the described file of disk, described file is written to described magnetic
The end time of dish；
Piecemeal sending module, if the described file for uploading does not meets described preset requirement, then need to
The piecemeal size of described file to be uploaded sends to user.
Device the most according to claim 6, wherein, described in upload computing module and include；
Computing module, is used for the upload request time of the described file according to user's transmission, is written to magnetic
The size of the described file of dish, the end time that described file is written to described disk calculate on user
Pass the bandwidth of described file；
Judge module, for judging that whether user uploads the described bandwidth of described file less than presetting band
Wide；
Determination module, for uploading the described bandwidth of described file less than described pre-set bandwidths as user
Time, it is determined that for slow network, preset more than or equal to described when user uploads the described bandwidth of described file
During bandwidth, it is determined that for express network.
10. resume module described according to the device described in claim 6 or 9, wherein, to include:
First resumes module, is judged to slow network for uploading the described bandwidth of described file as user
Time, the piecemeal size needing the described file resumed is preset value；
Piecemeal arranges module, is judged to express network for uploading the described bandwidth of described file as user
Time, the piecemeal size of the described file that needs resume is set, and configuration information is sent to user；
Wherein, user accepts described configuration information, then the described file resumed according to the needs arranged
Piecemeal size performs to resume operation；
When user does not accepts described configuration information, then by the described file that resumes required for default point
Block size sends to described storage cluster.
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| CN105025106A (en) * | 2015-07-28 | 2015-11-04 | 焦点科技股份有限公司 | Breakpoint resuming method based on segmentation and meta-information |
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| CN101765071A (en) * | 2008-12-24 | 2010-06-30 | 卓望数码技术（深圳）有限公司 | Method and device for pushing adaptive data to wireless data communication terminal |
| CN103457973A (en) * | 2012-06-01 | 2013-12-18 | 深圳市腾讯计算机系统有限公司 | Image uploading method and system, image uploading client terminal and network server |
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