CN107645547A - Data temperature based on storage device determines method, equipment and system - Google Patents
Data temperature based on storage device determines method, equipment and system Download PDFInfo
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Abstract
The invention discloses a kind of data temperature based on storage device to determine method, after the request of data of user's transmission is received, first determine whether local cache whether there is the corresponding data of request of data, when local cache is without the corresponding data, or request of data is when being write data requests, client sends request of data to memory node OST, so as to the data temperature information of memory node OST renewal corresponding datas, obtains data temperature.Data temperature provided by the invention determines method, it is determined that during data temperature, have ignored the data of local cache, for the data on server, data temperature is counted, reduce the operational ton for determining data temperature, obtained data temperature is more targeted.Present invention also offers a kind of data temperature based on storage device to determine equipment, system and computer-readable recording medium, and its effect is corresponding with the above method.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of data temperature based on storage device determine method, equipment,
System and a kind of computer-readable recording medium.
Background technology
With the arrival of information age, data type is more and more diversified, and data volume is also in explosive growth.Due to each
The accessed frequency of data is typically different, according to the accessed frequency of data height, can split data into dsc data and cold number
According to.For example, hot broadcast TV play is compared with the Spring Festival Gala of nineteen eighty-three video recording, the accessed frequency of hot broadcast TV play is higher than the spring of nineteen eighty-three
Evening video recording, then hot broadcast TV play belongs to dsc data, and accordingly, nineteen eighty-three Spring Festival Gala video recording belongs to cold data.
In order to preferably store mass data, prior art is accessed frequency according to data, counts the interviewed of mass data
Frequency is asked, splits data into cold and hot data accordingly, then cold and hot data are divided and ruled, so that storage efficiency reaches maximum
Change.It is, by cold and hot data storage on a different storage medium, to realize with relatively low cost storage larger data amount
The purpose of data.
However, for a certain specific storage device, we concern what the data in storage device were accessed
Frequency, and and not all data access frequency.And in the prior art, data hot statistics method statistic is all accessed
Data, without specific aim, statistical operation amount is with regard to larger.
The content of the invention
It is an object of the invention to provide a kind of data temperature based on storage device to determine method, equipment, system and one
Kind computer-readable recording medium, does not have specific aim to solve statistics temperature, determines that the operational ton of data temperature is larger
The problem of.
In order to solve the above technical problems, the present invention, which provides a kind of data temperature based on storage device, determines method, including：
The request of data that user sends is received, the request of data includes read data request, and/or write data requests；
Judge local cache whether there is the corresponding data of the request of data；
Judge whether the request of data is write data request；
If the local cache is write data request without the corresponding data, or the request of data, then to depositing
Store up node OST and send the request of data, so that the memory node OST updates the data temperature information of the corresponding data,
Obtain data temperature.
Wherein, if the local cache please for write data without the corresponding data, or the request of data
Ask, then sending the request of data to memory node OST includes：
If the local cache is asked without the corresponding data, or the request of data for write data, then to member
Data server sends the request of data；
Receive the index information that the meta data server is sent；
The memory node OST according to corresponding to being found the index information, and to described in memory node OST transmissions
Request of data.
Wherein, obtain also including after data temperature described：
Each memory node OST sends the positional information of the data temperature to object storage server OSS；
The object storage server OSS sends fever thermometer according to the positional information to each memory node OST
Calculate request；
Each memory node OST calculates data temperature according to the temperature computation requests, obtains the calculating of data temperature
As a result；
The data temperature result of calculation is sent to the object storage server OSS by each memory node OST.
Wherein, the object storage server OSS sends fever thermometer according to the positional information to the memory node OST
Calculating request includes：
Reach preset time, the object storage server OSS is according to the positional information to each memory node
OST sends temperature computation requests.
Present invention also offers a kind of data temperature based on storage device to determine system, including：
Client, for receiving the request of data of user's transmission, the request of data includes read data request, and/or writes
Request of data；Judge local cache whether there is the corresponding data of the request of data；Judge whether the request of data is described write
Request of data；If the local cache is write data request without the corresponding data, or the request of data, then to depositing
Store up node OST and send the request of data, so that the memory node OST updates the data temperature information of the corresponding data,
Obtain data temperature；
Memory node OST, the request of data sent for receiving the client；Update the data heat of the corresponding data
Information is spent, obtains data temperature.
Wherein, the client can be also used for, if the local cache please without the corresponding data, or the data
Ask and asked for write data, then send the request of data to meta data server；The meta data server is received to send
Index information；The memory node OST according to corresponding to being found the index information, and sent to the memory node OST
The request of data.
Wherein, the system also includes：
Object storage server OSS, the position of the data temperature sent for receiving each memory node OST
Information；Temperature computation requests are sent to each memory node OST according to the positional information；Receive each storage section
The data temperature result of calculation that point OST is sent, the data temperature result of calculation is according to institute by each memory node OST
State what temperature computation requests were calculated.
Wherein, the object storage server OSS can be also used for, and reach preset time, according to the positional information to
Each memory node OST sends temperature computation requests.
In addition, present invention also offers a kind of data temperature based on storage device to determine equipment, including：
Memory：For store instruction, wherein, the instruction includes：
The instruction for the request of data that user sends is received, the request of data includes read data request, and/or writes data and ask
Ask；
Judge local cache whether there is the instruction of the corresponding data of the request of data；
Judge the request of data whether be write data request instruction；
If the local cache is write data request without the corresponding data, or the request of data, then to depositing
Store up node OST and send the request of data, so that the memory node OST updates the data temperature information of the corresponding data,
Obtain the instruction of data temperature；
Processor：For performing the instruction in the memory.
Present invention also offers a kind of computer-readable recording medium, meter is stored with the computer-readable recording medium
Calculation machine program, realize that the data temperature based on storage device determines method when the computer program is executed by processor
Step.
Data temperature provided by the present invention based on storage device determines method, please in the data for receiving user's transmission
After asking, first determine whether local cache whether there is the corresponding data of the request of data, when the local cache is without the corresponding data,
Or the request of data, when being that write data are asked, client sends the request of data to memory node OST, with toilet
The data temperature information that memory node OST updates the corresponding data is stated, obtains data temperature.
It can be seen that the data temperature provided by the invention based on storage device determines method, it is determined that during data temperature, ignore
The data of local cache, for the data on server, are counted to data temperature, reduce the behaviour for determining data temperature
Measure.On the other hand, the data temperature finally given is for the data temperature on server, therefore, obtained data temperature
With specific aim.
Present invention also offers a kind of data temperature based on storage device to determine that equipment, system and a kind of computer can
Storage medium is read, its effect is corresponding with the above method, repeats no more here.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram that the data temperature provided by the invention based on storage device determines embodiment of the method one；
Fig. 2 is the method flow for the embodiment two that the data temperature provided by the invention based on storage device determines method
Figure；
Fig. 3 is the structured flowchart that the data temperature provided by the invention set based on storage determines system；
Fig. 4 is the structured flowchart that the data temperature provided by the invention based on storage device determines method equipment.
Embodiment
The core of the present invention is to provide a kind of data temperature based on storage device and determines method, equipment and system, has
Effect reduces the operational ton for determining data temperature, and obtained data temperature has specific aim.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The embodiment one that the data temperature provided by the invention based on storage device determines method is described below, referring to Fig. 1,
Embodiment one includes：
Step S11：The request of data that user sends is received, the request of data includes read data request, and/or writes data
Request.
The request of data that user sends is received, specifically, can be that client receives the request of data that user sends, here
Request of data refer mainly to read data request and write data requests.The present invention determines data by the read-write number of statistics
Temperature, that is to say, that when to data call read () or write () operations, change data temperature.
Step S12：Judge local cache whether there is the corresponding data of the request of data.
In the present embodiment, local cache refers to during data are accessed, and often some are temporary locally generated
Data, these data can access for user.Corresponding data refers to that user asks the data accessed.
Step S13：Judge whether the request of data is write data request.
If the local cache has the corresponding data, and the request of data is asked for write data, in order to avoid
Corresponding data on the corresponding data and server of local cache is inconsistent, can delete the corresponding number of the local cache
According to.
It should be noted that the present embodiment does not limit step S12 and step S13 sequencing.
Step S14：If the local cache please for write data without the corresponding data, or the request of data
Ask, then send the request of data to memory node OST, so that the memory node OST updates the data of the corresponding data
Temperature information, obtain data temperature.
Data temperature information can be preserved in the present embodiment, on memory node OST, specifically, can be data Thermometer.
Data Thermometer can include data unique mark symbol inode and data hot value value, can be come using K-V databases
Data Thermometer is preserved, it is convenient that quickly lookup and more new demand servicing are provided.
Specifically, after memory node OST receives request of data, if the request of data is the read data request,
The corresponding data can be sent to client；If the request of data is asked for write data, number can will be write
According to the memory node OST is sent to, so that the memory node OST refreshes the corresponding data.
When data are deleted, accordingly, being deleted the data temperature information of data can also be deleted.When data are migrated
During to another address, accordingly, another described address can be also migrated to correspondingly by being migrated the data temperature information of data
Memory node OST on.
The data temperature based on storage device that the present embodiment is provided determines method, is receiving the data of user's transmission
After request, first determine whether local cache whether there is the corresponding data of the request of data, when the local cache is without the corresponding number
According to, or when the request of data is that write data are asked, client sends the request of data to memory node OST, with
Toilet states the data temperature information that memory node OST updates the corresponding data, obtains data temperature.
It can be seen that the present embodiment, which provides data temperature, determines method, it is determined that during data temperature, the number of local cache have ignored
According to, for the data on server, data temperature is counted, reduce determine data temperature operational ton.On the other hand,
Obtained data temperature is also that therefore, data temperature has specific aim for the data temperature on server.
The data temperature based on storage device that embodiment one is provided determines method, is only that memory node is determined
Data temperature on OST, want to determine the data temperature in whole storage device, it is also necessary to on each memory node OST
Data temperature is counted, and accordingly, the invention provides embodiment two.
Embodiment two provided by the invention is described below, referring to Fig. 2, Fig. 2 is the method for embodiment two provided by the invention
Flow chart, embodiment two specifically include：
Step S21：Client receives the request of data that user sends, and the request of data includes write data requests and reading
According to request.
Step S22：Judge local cache whether there is the corresponding data of the request of data, if local cache is without the corresponding number
According into step S24.
Step S23：Judge whether the request of data is write data request, if the request of data please to write data
Ask, into step S24.
Step S24：Client sends the request of data to meta data server.
The meta data server is in storage device, for realizing the service being managed to NameSpace and data
Device.
Step S25：The meta data server sends index information to the client.
The client that the index information is used to help finds the memory node OST that the corresponding data is located at.
Step S26：The client according to the index information, find corresponding to memory node OST, and to the storage
Node OST sends the request of data.
The present embodiment is authorized equivalent to meta data server by index information to client in this step, it is allowed to
Client accesses the memory node OST where corresponding data.
Step S27：The memory node OST updates the data temperature information of the corresponding data, obtains data temperature.
Step S28：Each memory node OST sends the position of the data temperature to object storage server OSS
Information.
Specifically, the name of data, that is, the unique identifier of data can also be sent to object storage server
OSS。
Step S29：Reach preset time, the object storage server OSS sends heat to each memory node OST
Spend computation requests.
Preset time T si can be set in advance in the memory node OST, record is to storage device within the Tsi times
The read-write number of upper data, preset time is reached, just send temperature computation requests to each memory node OST.
Step S210：Each memory node OST calculates respective data temperature respectively, obtains data temperature and calculates knot
Fruit.
Step S211：Each memory node OST sends the data fever thermometer to the object storage server OSS
Calculate result.
The data temperature based on storage device that the present embodiment provides determines method, it is determined that during data temperature, not only subtracts
The small operational ton for determining data temperature, obtained data temperature have specific aim.Moreover, the method that the present embodiment provides is also right
Data temperature on each memory node OST is calculated, and the data temperature finally given in whole storage device calculates knot
Fruit, and the data temperature has been sent to object storage server OSS, object storage server OSS receives data temperature
Afterwards, data temperature can be stored in the data storage end using K-V databases, interface is provided for temperature analysis, it is convenient follow-up
Extension.For example, data temperature result of calculation can be utilized, the data in storage device are reasonably managed, so as to reduce
The pressure of server when server is accessed, reduces network overhead.
System, which is introduced, to be determined to the data temperature provided in an embodiment of the present invention set based on storage below, referring to figure
3, Fig. 3 determine the structured flowchart of system for the data temperature provided in an embodiment of the present invention set based on storage, and the system includes：
Client 31, for receiving the request of data of user's transmission, the request of data includes read data request, and/or
Write data requests；Judge local cache whether there is the corresponding data of the request of data；Judge whether the request of data is described
Write data requests；If the local cache without the corresponding data, or the request of data be write data request, then to
Memory node OST sends the request of data, so that the memory node OST updates the data temperature letter of the corresponding data
Breath, obtains data temperature；
Memory node OST32, the request of data sent for receiving the client；Update the data of the corresponding data
Temperature information, obtain data temperature.
Wherein, the client can be also used for, if the local cache please without the corresponding data, or the data
Ask and asked for write data, then send the request of data to meta data server；The meta data server is received to send
Index information；The memory node OST according to corresponding to being found the index information, and sent to the memory node OST
The request of data.
The system also includes：
Object storage server OSS33, the position of the data temperature sent for receiving each memory node OST
Confidence ceases；Temperature computation requests are sent to each memory node OST according to the positional information；Receive each storage
Node OST send data temperature result of calculation, the data temperature result of calculation be by each memory node OST according to
What the temperature computation requests were calculated.
Wherein, the object storage server OSS can be also used for, and reach preset time, according to the positional information to
Each memory node OST sends temperature computation requests.
It is foregoing based on storage device that the data temperature based on storage device of the present embodiment determines that system is used to realizing
Data temperature determines method, therefore the visible data temperature based on storage device hereinbefore of embodiment of the present embodiment
The embodiment part of method is determined, herein not reinflated introduction.In addition, the effect of the present embodiment is set with foregoing based on storage
Data temperature determines that the effect of method is corresponding, will not be repeated here.
Present invention also offers a kind of data temperature based on storage device to determine equipment, and referring to Fig. 4, the equipment includes：
Memory 41：For store instruction, wherein, the instruction includes：
The instruction for the request of data that user sends is received, the request of data includes read data request, and/or writes data and ask
Ask；
Judge local cache whether there is the instruction of the corresponding data of the request of data；
Judge the request of data whether be write data request instruction；
If the local cache is write data request without the corresponding data, or the request of data, then to depositing
Store up node OST and send the request of data, so that the memory node OST updates the data temperature information of the corresponding data,
Obtain the instruction of data temperature.
Processor 42：For performing the instruction in the memory.
In addition, present invention also offers a kind of computer-readable recording medium, deposited on the computer-readable recording medium
Computer program is contained, the computer program realizes the data based on storage device in above-described embodiment when being executed by processor
Temperature determines the step of method.
Data temperature provided by the invention based on storage device determines equipment and computer-readable recording medium, is used for
Realize that the data temperature set in previous embodiment based on storage determines method, its effect is relative with the effect of previous embodiment
Should, it will not be repeated here.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Method, equipment and system, which are carried out, to be determined to the data temperature provided by the present invention set based on storage above
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of data temperature based on storage device determines method, it is characterised in that including：
The request of data that user sends is received, the request of data includes read data request, and/or write data requests；
Judge local cache whether there is the corresponding data of the request of data；
Judge whether the request of data is write data requests；
If the local cache is without the corresponding data, or the request of data is write data requests, then to memory node OST
The request of data is sent, so that the memory node OST updates the data temperature information of the corresponding data, obtains data heat
Degree.
2. the method as described in claim 1, it is characterised in that if the local cache without the corresponding data, or
The request of data is write data requests, then sending the request of data to memory node OST includes：
If the local cache is without the corresponding data, or the request of data is write data requests, then to Metadata Service
Device sends the request of data；
Receive the index information that the meta data server is sent；
The memory node OST according to corresponding to being found the index information, and send the data to the memory node OST
Request.
3. the method as described in claim 1, it is characterised in that obtain also including after data temperature described：
Each memory node OST sends the positional information of the data temperature to object storage server OSS；
The object storage server OSS sends temperature calculating according to the positional information to each memory node OST please
Ask；
Each memory node OST calculates data temperature according to the temperature computation requests, obtains data temperature result of calculation；
The data temperature result of calculation is sent to the object storage server OSS by each memory node OST.
4. method as claimed in claim 3, it is characterised in that the object storage server OSS is according to the positional information
Temperature calculating request bag is sent to each memory node OST to include：
Reach preset time, the object storage server OSS is sent out according to the positional information to each memory node OST
Send temperature computation requests.
5. a kind of data temperature based on storage device determines system, it is characterised in that including：
Client, for receiving the request of data of user's transmission, the request of data includes read data request, and/or writes data
Request；Judge local cache whether there is the corresponding data of the request of data；Judge whether the request of data is write data requests；
If the local cache is asked without the corresponding data, or the request of data for write data, then to memory node OST
The request of data is sent, so that the memory node OST updates the data temperature information of the corresponding data, obtains data heat
Degree；
Memory node OST, the request of data sent for receiving the client；Update the data temperature letter of the corresponding data
Breath, obtains data temperature.
6. system as claimed in claim 5, it is characterised in that the client is additionally operable to, if the local cache is without described
Corresponding data, or the request of data are asked for write data, then send the request of data to meta data server；Connect
Receive the index information that the meta data server is sent；The memory node OST according to corresponding to being found the index information, and
The request of data is sent to the memory node OST.
7. system as claimed in claim 5, it is characterised in that the system also includes：
Object storage server OSS, the position letter of the data temperature sent for receiving each memory node OST
Breath；Temperature computation requests are sent to each memory node OST according to the positional information；Receive each memory node
OST send data temperature result of calculation, the data temperature result of calculation be as each memory node OST according to
Temperature computation requests are calculated.
8. system as claimed in claim 7, it is characterised in that the object storage server OSS is additionally operable to, when reaching default
Between, temperature computation requests are sent to each memory node OST according to the positional information.
9. a kind of data temperature based on storage device determines equipment, it is characterised in that including：
Memory：For store instruction, wherein, the instruction includes：Receive the instruction for the request of data that user sends, the number
Include read data request, and/or write data requests according to request；Judge local cache whether there is the corresponding data of the request of data
Instruction；Judge the request of data whether be write data request instruction；If the local cache without the corresponding data,
Or the request of data is asked for write data, then the request of data is sent to memory node OST, so as to the storage
Node OST updates the data temperature information of the corresponding data, obtains the instruction of data temperature；
Processor：For performing the instruction in the memory.
10. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium
Program, the number based on storage device as described in any one of Claims 1-4 is realized when the computer program is executed by processor
The step of method being determined according to temperature.
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| CN109656939A (en) * | 2018-12-24 | 2019-04-19 | 广州虎牙信息科技有限公司 | A kind of buffering updating method, device, equipment and storage medium |
| CN109960946A (en) * | 2019-03-29 | 2019-07-02 | 百度在线网络技术（北京）有限公司 | Method, apparatus, equipment and medium are determined based on the data temperature of block chain |
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| CN112346658A (en) * | 2019-08-07 | 2021-02-09 | 国际商业机器公司 | Increasing data heat trace resolution in storage devices with cache architectures |
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