CN110740171A - data fragment transmission method and device - Google Patents
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- CN110740171A CN110740171A CN201910919331.8A CN201910919331A CN110740171A CN 110740171 A CN110740171 A CN 110740171A CN 201910919331 A CN201910919331 A CN 201910919331A CN 110740171 A CN110740171 A CN 110740171A
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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
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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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
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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Abstract
The invention discloses data fragment transmission methods and devices, which include reading a preset fragment array, responding to a data transmission request by using each value in the fragment array as a fragment size, and recording single request response time corresponding to the fragment size, responding to a download preview request, determining the used fragment size according to the single request response time, and writing the used fragment size into a client cache, responding to a file upload request, determining the total upload time according to the single request response time, determining the used fragment size according to the total upload time, and writing the used fragment size into the client cache, and executing data fragments to continue responding to the data transmission request based on the used fragment size recorded in the client cache.
Description
Technical Field
The present invention relates to the field of data transmission, and more particularly, to a method and an apparatus for transmitting data fragments.
Background
In a Web system, uploading, downloading and previewing of a large file are executed by using fragment requests at present, namely, the large file is divided into a plurality of content fragments with sizes, only content fragments are requested/uploaded each time, so that the content size of a single request is reduced, the response time of the single request is shortened, functions of breakpoint transmission, stream loading, fragment previewing and the like are realized, and user experience is improved.
Aiming at the problem that the fixed size of the fragmentation request in the prior art does not adapt to the performance of a server and the network environment, no effective solution is available at present.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide data fragment transmission methods and apparatuses, which can adjust the size of a fragment based on server performance and a network environment, increase the response speed of a fragment preview request, and degrade the total upload time of a fragment upload request.
In view of the above, an aspect of the embodiment of the present invention provides a data fragment transmission method, including performing the following steps:
reading a preset fragment array, responding to a data transmission request by taking each value in the fragment array as the fragment size, and recording the single request response time corresponding to the fragment size;
responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache;
responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
data fragmentation is performed to continue responding to data transmission requests based on the used fragment size documented in the client cache.
In , the single request response time is the difference between the end time and the start time of a data transfer request when the data transfer request is responded to using the corresponding slice size.
In , determining the slice size to use based on the single-request response time includes selecting a maximum value of the corresponding slice sizes as the used slice size among all single-request response times smaller than a preset single-request response time threshold.
In , determining the total upload time based on the single request response time includes determining a total size of the file and determining the total upload time based on a product of a ratio of the total size of the file to the tile size and the single request response time.
In , determining the shard size to use based on the total upload time includes selecting the shard size corresponding to the minimum of the total upload time as the shard size to use.
A second aspect of the embodiments of the present invention provides an data slice transmission device, including:
a processor; and
a memory storing program code executable by the processor, the program code when executed performing the steps of:
reading a preset fragment array, responding to a data transmission request by taking each value in the fragment array as the fragment size, and recording the single request response time corresponding to the fragment size;
responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache;
responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
data fragmentation is performed to continue responding to data transmission requests based on the used fragment size documented in the client cache.
In , the single request response time is the difference between the end time and the start time of a data transfer request when the data transfer request is responded to using the corresponding slice size.
In , determining the slice size to use based on the single-request response time includes selecting a maximum value of the corresponding slice sizes as the used slice size among all single-request response times smaller than a preset single-request response time threshold.
In , determining the total upload time based on the single request response time includes determining a total size of the file and determining the total upload time based on a product of a ratio of the total size of the file to the tile size and the single request response time.
In , determining the shard size to use based on the total upload time includes selecting the shard size corresponding to the minimum of the total upload time as the shard size to use.
The invention has the following beneficial technical effects: the data fragment transmission method and the device provided by the embodiment of the invention respond to a data transmission request by reading the preset fragment array and respectively taking each value in the fragment array as the fragment size, and record the single request response time corresponding to the fragment size; responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache; responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache; the technical scheme of executing the data fragment based on the used fragment size recorded in the client cache to continuously respond to the data transmission request can adjust the fragment size based on the server performance and the network environment, improve the response speed of the fragment preview request, and degrade the total uploading time of the fragment uploading request.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a data fragment transmission method provided by the present invention;
fig. 2 is a flowchart of a slave embodiment of a data fragment transmission method provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings.
It should be noted that all expressions using "" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is to be noted that "" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and no is described in the following embodiments.
Based on the above purpose, according to th aspect of the embodiment of the present invention, embodiments of data fragment transmission methods capable of adjusting fragment size based on server performance and network environment are provided, and fig. 1 illustrates a schematic flow chart of the data fragment transmission method provided by the present invention.
The data fragment transmission method, as shown in fig. 1, includes the following steps:
step S101: reading a preset fragment array, responding to a data transmission request by taking each value in the fragment array as the fragment size, and recording the single request response time corresponding to the fragment size;
step S103: responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache;
step S105: responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
step S107: data fragmentation is performed to continue responding to data transmission requests based on the used fragment size documented in the client cache.
The embodiment of the invention mainly aims at two application scenes: under the conditions of low server performance or poor network environment and the like, the single response time of the fragment requests of large file preview and stream loading is long, and the client cannot update the content in time, so that the user experience is influenced; and under the conditions of good server performance, good network environment and the like, large file uploading requests are required, the number of times of requests is large, the total uploading time is long, and the user experience is influenced.
For the two scenarios, the embodiment of the present invention sets the fragment content size array and the single response time threshold, and when a fragment request is executed, the array is cycled, the fragment request is executed according to the size of the fragment in the array, and the fragment size, the single request response time, and the total upload time of each fragment request are recorded. Aiming at the preview request, the maximum value of the size of the fragment in the single response time threshold value can be taken; for a shard upload request, the size of the shard may be taken to be the smallest estimated total upload time. The fragment size is recorded into a client cache, and a subsequent fragment request executes a fragment preview/upload request according to the fragment size, so that the user experience is improved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by instructing relevant hardware through a computer program, which may be stored in a computer readable storage medium, and when executed, may include the processes of the above embodiments of the methods.
In , the single request response time is the difference between the end time and the start time of a data transfer request when the data transfer request is responded to using the corresponding slice size.
In , determining the slice size to use based on the single-request response time includes selecting a maximum value of the corresponding slice sizes as the used slice size among all single-request response times smaller than a preset single-request response time threshold.
In , determining the total upload time based on the single request response time includes determining a total size of the file and determining the total upload time based on a product of a ratio of the total size of the file to the tile size and the single request response time.
In , determining the shard size to use based on the total upload time includes selecting the shard size corresponding to the minimum of the total upload time as the shard size to use.
The method disclosed according to an embodiment of the present invention may also be implemented as a computer program executed by a CPU, which may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method disclosed in the embodiments of the present invention. The above-described method steps and system elements may also be implemented using a controller and a computer-readable storage medium for storing a computer program for causing the controller to implement the functions of the above-described steps or elements.
Embodiments of the present invention are further illustrated at in accordance with the embodiment shown in FIG. 2.
1) Judging whether the client side has cached the fragment size, if so, executing the step 8), otherwise, executing the step 2);
2) setting a fragment array size V1 and a single-time response time threshold V2;
3) the array V1 is cycled to execute the shard request at the shard size in the array V1 and calculate the single request response time (request end time-request start time), the total upload time (for shard upload class requests only: total upload time-file size/fragment size-single request response time);
4) judging whether the circulation is finished or not, if not, executing the step 3), otherwise, executing the step 5);
5) judging whether the slicing request is a slicing preview request or a slicing last time request, if the slicing preview request is the slicing preview request, executing the step 6), and if the slicing preview request is the slicing last time, executing the step 7);
6) when the single response time is less than the threshold value V2, the maximum value in the fragment size array V1 is stored in the client cache as the fragment size;
7) when the total uploading time is minimum, storing the value in the fragment size array V1 as the fragment size into a client cache;
8) and reading the client cache, and executing the rest fragment requests.
In another embodiments, the initial value of the slice size V1 and the range of the single request response time V2 may be set, the correction parameter V3. initially performs the slice request with V1, and then V1 is adjusted by V3, the single request response time and the total upload time of multiple slice requests are compared until the optimal ratio of the slice size to the single request response time/the total upload time is determined, and the optimal ratio is stored in the client cache, and then the slice request is performed with the slice size.
It can be seen from the foregoing embodiments that, in the data fragment transmission method provided in the embodiments of the present invention, by reading the preset fragment array, each value in the fragment array is respectively used as the fragment size to respond to the data transmission request, and the single request response time corresponding to the fragment size is recorded; responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache; responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache; the technical scheme of executing the data fragment based on the used fragment size recorded in the client cache to continuously respond to the data transmission request can adjust the fragment size based on the server performance and the network environment, improve the response speed of the fragment preview request, and degrade the total uploading time of the fragment uploading request.
It should be particularly noted that, the steps in the embodiments of the data fragment transmission method described above may be mutually intersected, replaced, added, or deleted, and therefore, these reasonable permutation and combination transformations shall also belong to the scope of the present invention, and shall not limit the scope of the present invention to the described embodiments.
In view of the above, according to the second aspect of the embodiments of the present invention, data fragment transmission devices capable of adjusting the size of a fragment based on server performance and network environment are provided in embodiments.
The data fragment transmission device comprises:
a processor; and
a memory storing program code executable by the processor, the program code when executed performing the steps of:
reading a preset fragment array, responding to a data transmission request by taking each value in the fragment array as the fragment size, and recording the single request response time corresponding to the fragment size;
responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache;
responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
data fragmentation is performed to continue responding to data transmission requests based on the used fragment size documented in the client cache.
To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described generally in terms of their functionality.
In , the single request response time is the difference between the end time and the start time of a data transfer request when the data transfer request is responded to using the corresponding slice size.
In , determining the slice size to use based on the single-request response time includes selecting a maximum value of the corresponding slice sizes as the used slice size among all single-request response times smaller than a preset single-request response time threshold.
In , determining the total upload time based on the single request response time includes determining a total size of the file and determining the total upload time based on a product of a ratio of the total size of the file to the tile size and the single request response time.
In , determining the shard size to use based on the total upload time includes selecting the shard size corresponding to the minimum of the total upload time as the shard size to use.
It can be seen from the foregoing embodiments that, in the data fragment transmission device provided in the embodiments of the present invention, by reading the preset fragment array, each value in the fragment array is respectively used as the fragment size to respond to the data transmission request, and the single request response time corresponding to the fragment size is recorded; responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into the client cache; responding to the data transmission request as a file uploading request, determining total uploading time according to single request responding time, determining the size of used fragments according to the total uploading time, and writing the size of the used fragments into a client cache; the technical scheme of executing the data fragment based on the used fragment size recorded in the client cache to continuously respond to the data transmission request can adjust the fragment size based on the server performance and the network environment, improve the response speed of the fragment preview request, and degrade the total uploading time of the fragment uploading request.
It should be particularly noted that, the above embodiment of the data fragment transmission apparatus adopts the embodiment of the data fragment transmission method to specifically describe the working process of each module, and those skilled in the art can easily think that these modules are applied to other embodiments of the data fragment transmission method. Of course, since the steps in the data fragment transmission method embodiment may be intersected, replaced, added, or deleted, these reasonable permutation and combination transformations of the data fragment transmission apparatus should also belong to the protection scope of the present invention, and should not limit the protection scope of the present invention on the embodiment.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that as used herein, the singular form of "" is intended to include the plural form as well, unless the context clearly supports the exception it should also be understood that "and/or" as used herein is intended to include any and all possible combinations of or of the more than one item listed in association.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in computer readable storage media, which may be read only memory, magnetic or optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1, kinds of data fragment transmission method, characterized by, including the following steps:
reading a preset fragmentation array, responding to a data transmission request by taking each value in the fragmentation array as a fragmentation size, and recording single request response time corresponding to the fragmentation size;
responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into a client cache;
responding to the data transmission request as a file uploading request, determining total uploading time according to the single request responding time, determining the size of the used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
performing data fragmentation to continue responding to the data transmission request based on the used fragment size recited in the client cache.
2. The method of claim 1, wherein the single request response time is a difference between an end time and a start time of the data transmission request when the data transmission request is responded to using the corresponding slice size.
3. The method of claim 1, wherein determining the used tile size according to the single request response time comprises: and selecting the maximum value of the corresponding fragment size as the used fragment size in all the single request response times smaller than a preset single response time threshold.
4. The method of claim 1, wherein determining the total upload time from the single request response time comprises: determining the total size of the file, and determining the total uploading time according to the product of the ratio of the total size of the file to the size of the fragment and the single request response time.
5. The method of claim 4, wherein determining the used tile size based on the total upload time comprises: selecting the tile size corresponding to the minimum value of the total upload time as the used tile size.
6, kind of data fragment transmission device, characterized by comprising:
a processor; and
a memory storing program code executable by the processor, the program code when executed performing the steps of:
reading a preset fragmentation array, responding to a data transmission request by taking each value in the fragmentation array as a fragmentation size, and recording single request response time corresponding to the fragmentation size;
responding to the data transmission request as a download preview request, determining the size of the used fragment according to the single request response time, and writing the size of the used fragment into a client cache;
responding to the data transmission request as a file uploading request, determining total uploading time according to the single request responding time, determining the size of the used fragments according to the total uploading time, and writing the size of the used fragments into a client cache;
performing data fragmentation to continue responding to the data transmission request based on the used fragment size recited in the client cache.
7. The apparatus of claim 6, wherein the single request response time is a difference between an end time and a start time of the data transmission request when the data transmission request is responded to using the corresponding slice size.
8. The apparatus of claim 6, wherein determining the used tile size according to the single request response time comprises: and selecting the maximum value of the corresponding fragment size as the used fragment size in all the single request response times smaller than a preset single response time threshold.
9. The apparatus of claim 6, wherein determining the total upload time from the single request response time comprises: determining the total size of the file, and determining the total uploading time according to the product of the ratio of the total size of the file to the size of the fragment and the single request response time.
10. The apparatus of claim 9, wherein determining the used tile size based on the total upload time comprises: selecting the tile size corresponding to the minimum value of the total upload time as the used tile size.
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| CN113595685A (en) * | 2021-07-15 | 2021-11-02 | 上海晶赞融宣科技有限公司 | Data transmission method and device, storage medium and terminal |
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