CN114374652A - Data transmission speed limiting method and device between thermomagnetic storage and blue light storage - Google Patents
Data transmission speed limiting method and device between thermomagnetic storage and blue light storage Download PDFInfo
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Abstract
The invention relates to a data transmission speed limiting method and a device between thermomagnetic storage and blue-ray storage, wherein the method comprises the steps of determining the task level of a tenant, and setting a speed limiting configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed; when data transmission is needed, obtaining tokens from a token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; when enough tokens are acquired, data transmission begins. The invention aims to solve the speed limit of a tenant level and a task level, when a user transmits an object, the object is transmitted according to a speed limit speed value obtained by the tenant, the transmission speed does not exceed the speed limit speed value, the tenant can configure the weight of a filing task when creating a filing task, three weight options of high, medium and low are provided for the user at present, the task with high weight is faster in transmission speed.
Description
Technical Field
The invention belongs to the technical field of data communication, and particularly relates to a data transmission speed limiting method and device between thermomagnetic storage and blue light storage.
Background
S3 is theoretically a global Storage Area Network (SAN) that appears as an oversized hard disk in which digital assets can be stored and retrieved. The assets stored and retrieved by S3 are referred to as objects. Objects are stored in memory segments (buckets), which can be analogized with hard disks: an object is like a file and a memory segment is like a folder (or directory). Like hard disks, objects and memory segments can also be looked up by Uniform Resource Identifiers (URIs).
Blue or blue-ray discs read and write data using a blue laser with a shorter wavelength, and are therefore known. Blue light greatly increases the storage capacity of optical discs and provides a jump in the development opportunities for optical storage products.
In the actual use process, in order to limit the speed of a tenant and reduce the burst traffic on the network, the traffic is generally controlled through a token bucket, the principle of the token bucket is that a system puts tokens into the bucket at a constant speed, if a request needs to be processed, a token needs to be obtained from the bucket first, and when no token is available in the bucket, the service is rejected. In the related technology, the token bucket algorithm is utilized through the redis database and the lua script code, so that the problem of speed limitation on tenants in the concurrency process can be well solved, but the requirement of people on task level speed limitation cannot be met.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for limiting speed of data transmission between thermomagnetic storage and blu-ray storage, so as to solve the problem that the use of token bucket algorithm in the prior art cannot meet the requirement of people on task level speed limit.
In order to achieve the purpose, the invention adopts the following technical scheme: a data transmission speed limiting method between thermomagnetic storage and blue light storage comprises the following steps:
determining the task level of a tenant, and setting a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed;
when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
when enough tokens are acquired, data transmission begins.
Further, the obtaining tokens from the token bucket according to the rate limit configuration item includes:
determining task levels, the task levels including a high level, a medium level and a low level;
taking tokens from the token bucket according to the high-level sequence, the middle-level sequence and the low-level sequence, waiting for corresponding waiting time set by corresponding task levels after taking the tokens each time, and taking the tokens from the token bucket again; where the number of tokens taken at a time is 1% of the bandwidth rate.
Further, when the token bucket is full and the tokens can not be continuously put, the addition of new tokens is stopped;
when the token bucket is empty and tokens cannot be taken, service is denied.
Further, the waiting time corresponding to the task level includes:
the waiting time corresponding to the high level is less than the waiting time corresponding to the medium level, and the waiting time corresponding to the medium level is less than the waiting time corresponding to the low level.
Further, the waiting time for the high stage is 0.01 second, the waiting time for the middle stage is 0.05 second, and the waiting time for the low stage is 0.1 second.
Further, the token bucket is used for placing the number of tokens corresponding to the bandwidth speed in preset time.
Further, the bandwidth of the speed limit configuration item is greater than or equal to 50M.
The embodiment of the application provides a data transmission speed limiting device between thermomagnetic storage and blue light storage, includes:
the determining module is used for determining the tenant level and the task level and setting a speed limit configuration item according to the tenant level and the task level; the speed limit configuration item is used for limiting the bandwidth speed;
the acquisition module is used for acquiring tokens from the token bucket according to the speed limit configuration item when data transmission is required; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
and the transmission module is used for starting data transmission when enough tokens are acquired.
An embodiment of the present application provides a computer device, including: a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the method for limiting the data transmission speed between the thermomagnetic storage and the blue light storage provided by any one of the above embodiments
The embodiment of the application provides a computer storage medium, which stores a computer program, and when the computer program is executed by a processor, the processor is enabled to execute the data transmission speed limiting method between the thermomagnetic storage and the blu-ray storage provided by any embodiment.
By adopting the technical scheme, the invention can achieve the following beneficial effects:
the invention provides a method and a device for limiting the speed of data transmission between thermomagnetic storage and blue-ray storage, wherein the speed of the data transmission between the thermomagnetic storage and the blue-ray storage is limited according to the task level of a tenant by arranging a token bucket on a data transmission route, when a user transmits an object, the transmission is carried out according to a speed limit value obtained by the tenant, the transmission speed does not exceed the speed limit value, the tenant can configure the level of a filing task when creating the filing task, three level options of high, medium and low are provided for the user at present, the task with high level is faster in transmission speed.
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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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating the steps of a method for limiting data transmission speed between thermomagnetic storage and blue light storage according to the present invention;
FIG. 2 is a schematic diagram of the token bucket algorithm of the present invention;
FIG. 3 is a flow chart illustrating a method for limiting data transmission speed between thermomagnetic storage and blue light storage according to the present invention;
FIG. 4 is a schematic diagram of a data transmission speed limiting device between thermomagnetic storage and blue light storage according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
A specific method and apparatus for limiting data transmission speed between thermomagnetic storage and blu-ray storage provided in the embodiments of the present application are described below with reference to the accompanying drawings.
As shown in fig. 1, a method for limiting data transmission speed between thermal magnetic storage and blu-ray storage provided in an embodiment of the present application includes:
s101, determining a task level of a tenant, and setting a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed;
firstly, level limitation is carried out on data transmission tasks of tenants, then speed limit configuration items are set according to task levels, wherein the speed limit configuration items comprise maximum speed bandwidth, namely the data transmission speed cannot exceed the maximum speed bandwidth, the maximum speed bandwidth is set to be 50M in the application, and if the tasks do not set the speed limit level or are set to be higher than 50M, the tasks are transmitted according to 50M and cannot be higher than the maximum speed bandwidth, namely cannot be higher than 50M.
S102, when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
specifically, in the present application, speed limitation of a token bucket is realized by utilizing redis + Lua (database + script file), as shown in fig. 2, a water drop in the graph represents a request token, which is generated at a fixed speed, and each transmission request needs to take one token from the token bucket; the token bucket algorithm is well understood, and as time goes by, the system will add tokens (if a water tap is adding water continuously) to the bucket at a constant 1/QPS interval (default interval is 2s), and not add if the bucket is full. When a new request comes in, a token is taken away each and if no token is available, the service is blocked or denied.
Another benefit of token buckets is the ease with which the speed of change can be achieved. Once the rate needs to be increased, the rate of tokens put into the bucket is increased as needed. A certain number of tokens are added to the bucket at regular intervals (e.g., 100 ms), and some variations calculate the number of tokens to be added in real time.
And S103, starting data transmission when enough tokens are acquired.
When enough tokens are acquired, namely the number of bytes of data transmission is met, data transmission is started at the moment, so that the problem that each task can contend for transmission to cause transmission blockage is limited.
The working principle of the data transmission speed limiting method between the thermomagnetic storage and the blue light storage is as follows: firstly, determining the task level of a tenant, and setting a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed; when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; when enough tokens are acquired, that is, the rate-limited object needs to rob enough tokens to start data transmission.
In some embodiments, said obtaining tokens from said token bucket according to said rate limit configuration item comprises:
determining task levels, the task levels including a high level, a medium level and a low level;
taking tokens from the token bucket according to the high-level sequence, the middle-level sequence and the low-level sequence, waiting for corresponding waiting time set by corresponding task levels after taking the tokens each time, and taking the tokens from the token bucket again; where the number of tokens taken at a time is 1% of the bandwidth rate.
Preferably, the waiting time corresponding to the task level includes:
the waiting time corresponding to the high level is less than the waiting time corresponding to the medium level, and the waiting time corresponding to the medium level is less than the waiting time corresponding to the low level.
It can be understood that the task level is divided into a high level, a middle level and a low level, and the setting of the task level can be set according to the actual situation, which is not limited herein; when the token is taken once, the token can be taken from the token bucket again after waiting for the waiting time corresponding to the level, and the speed limit is carried out again in the mode.
Preferably, the latency for the high level is 0.01 seconds, the latency for the medium level is 0.05 seconds, and the latency for the low level is 0.1 seconds. It is to be understood that the time corresponding to each task level in the present application may also be set to other times, and the present application is not limited herein.
Specifically, as shown in fig. 3, in the present application, the speed limit is performed on data transmission between the thermomagnetic storage and the blu-ray storage, the speed limit is performed through the token bucket, and the delay setting is performed for the task level and the corresponding waiting time, so that the speed limit on the tenant task level is realized.
In some embodiments, when the token bucket is full and tokens cannot be continuously played, new tokens are stopped from being added;
when the token bucket is empty and tokens cannot be taken, service is denied.
In particular, if the token bucket is full and not re-used, each will take a token on demand, and block or deny service if no tokens have been taken in the token bucket.
Preferably, the token bucket puts the number of tokens corresponding to the bandwidth speed for a preset time.
Specifically, a certain number of tokens are added to the bucket at regular time (for example, 100 milliseconds), and the number of tokens to be added can be calculated in real time.
As a specific implementation manner, the technical solution provided by the present application has a maximum bandwidth speed limit configuration item for the speed limit, the speed limit configuration item cannot be lower than 50M, and if the project speed limit is lower than 50M or is not configured, the speed limit is limited according to the maximum bandwidth configuration item. The method comprises the steps that the speed limit of a token bucket is realized by utilizing redis + Lua (a database + a script file), each token represents data which is allowed to transmit 1Kb, a speed-limited object needs to acquire enough tokens to be uploaded, the number of tokens with corresponding bandwidth speed is put into the token bucket every second, all concurrent tasks acquire the tokens in the bucket, the priority of the task speed limit is high, the task speed limit is medium and low, and the time which needs to be waited after each token is taken from the bucket is 0.01s, 0.05s and 0.1s in sequence. The transmission process is blocked according to the task level except for a token bucket blocking program to realize speed limitation, tokens in the bucket per second are divided into 100 parts, the tokens are taken from the bucket at most 100 times per second, the frequent modification of a database is avoided, the number of the tokens taken each time is 1% of the bandwidth speed, and the speed limitation is started until enough tokens are taken to finish the speed limitation.
The application uses redis to limit the current, and can solve the concurrency problem caused by multiple instances in a distributed environment. Because the timer and the counter set by using the redis are globally unique, and the same timer and counter are used by the timer and the counter no matter how many nodes are, very accurate flow control can be realized.
As shown in fig. 3, the present application provides a data transfer rate limiting device between thermal magnetic storage and blue light storage, comprising:
the determining module 401 is configured to determine a tenant level and a task level, and set a speed limit configuration item according to the tenant level and the task level; the speed limit configuration item is used for limiting the bandwidth speed;
an obtaining module 402, configured to obtain a token from the token bucket according to the speed limit configuration item when data transmission is required; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
a transmission module 403, configured to start data transmission when enough tokens are acquired.
The working principle of the data transmission speed limiting device between the thermomagnetic storage and the blue-ray storage is that a determining module 401 determines a tenant level and a task level, and sets a speed limiting configuration item according to the tenant level and the task level; the speed limit configuration item is used for limiting the bandwidth speed; the obtaining module 402 obtains tokens from the token bucket according to the speed limit configuration item when data transmission is required; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; the transmission module 403 starts data transmission when enough tokens are acquired.
In some embodiments, the obtaining module includes:
a determining unit for determining task levels, the task levels including a high level, a middle level and a low level;
the taking unit is used for taking tokens from the token bucket according to the high-level sequence, the middle-level sequence and the low-level sequence, waiting for corresponding waiting time set by the corresponding task level after taking the tokens each time, and taking the tokens from the token bucket again; where the number of tokens taken at a time is 1% of the bandwidth rate.
In some embodiments, the latency corresponding to the high level is less than the latency corresponding to the medium level, which is less than the latency corresponding to the low level.
The embodiment of the application provides a computer device, a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the processor executes a task level for determining a tenant, and sets a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed; when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; when enough tokens are acquired, data transmission begins.
The embodiment of the application provides a computer storage medium, which stores a computer program, wherein when the computer program is executed by a processor, the processor executes a task level of a tenant, and sets a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed; when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; when enough tokens are acquired, data transmission begins.
In summary, the present invention provides a method and an apparatus for limiting data transmission speed between thermomagnetic storage and blu-ray storage, where the method includes determining a task level of a tenant, and setting a speed-limiting configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed; when data transmission is needed, obtaining tokens from a token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes; when enough tokens are acquired, data transmission begins. The invention aims to solve the speed limit of a tenant level and a task level, when a user transmits an object, the object is transmitted according to a speed limit speed value obtained by the tenant, the transmission speed does not exceed the speed limit speed value, the tenant can configure the weight of a filing task when creating a filing task, three weight options of high, medium and low are provided for the user at present, the task with high weight is faster in transmission speed.
It is to be understood that the embodiments of the method provided above correspond to the embodiments of the apparatus described above, and the corresponding specific contents may be referred to each other, which is not described herein again.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A method for limiting data transmission speed between thermomagnetic storage and blue light storage is characterized by comprising the following steps:
determining the task level of a tenant, and setting a speed limit configuration item according to the task level; the speed limit configuration item is used for limiting the bandwidth speed;
when data transmission is needed, obtaining tokens from the token bucket according to the speed limit configuration item; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
when enough tokens are acquired, data transmission begins.
2. The method of claim 1, wherein obtaining tokens from the token bucket according to the rate limit configuration item comprises:
determining task levels, the task levels including a high level, a medium level and a low level;
taking tokens from the token bucket according to the high-level sequence, the middle-level sequence and the low-level sequence, waiting for corresponding waiting time set by corresponding task levels after taking the tokens each time, and taking the tokens from the token bucket again; where the number of tokens taken at a time is 1% of the bandwidth rate.
3. The method according to claim 1 or 2,
when the token bucket is full and the tokens can not be continuously played, stopping adding new tokens;
when the token bucket is empty and tokens cannot be taken, service is denied.
4. The method of claim 2, wherein for a latency corresponding to a task level, comprising:
the waiting time corresponding to the high level is less than the waiting time corresponding to the medium level, and the waiting time corresponding to the medium level is less than the waiting time corresponding to the low level.
5. The method of claim 4,
the latency for the high level is 0.01 seconds, the latency for the medium level is 0.05 seconds, and the latency for the low level is 0.1 seconds.
6. The method of claim 1,
the token bucket puts the number of tokens corresponding to the bandwidth speed in a preset time.
7. The method of claim 1,
the bandwidth of the speed limit configuration item is greater than or equal to 50M.
8. A data transfer rate limiting device between thermomagnetic storage and blu-ray storage, comprising:
the determining module is used for determining the tenant level and the task level and setting a speed limit configuration item according to the tenant level and the task level; the speed limit configuration item is used for limiting the bandwidth speed;
the acquisition module is used for acquiring tokens from the token bucket according to the speed limit configuration item when data transmission is required; the token bucket fills a preset number of tokens at a preset time interval, and each token represents data allowing to transmit a preset number of bytes;
and the transmission module is used for starting data transmission when enough tokens are acquired.
9. A computer device, comprising: a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the method of limiting data transfer speed between thermomagnetic storage and blu-ray storage according to any of claims 1 to 7.
10. A computer storage medium, characterized in that a computer program is stored which, when being executed by a processor, causes the processor to carry out a method of limiting data transfer between a thermomagnetic storage and a blu-ray storage according to any one of claims 1 to 7.
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