CN106445418A - Method and device for self-adaptingread-write services in solid state disk - Google Patents
Method and device for self-adaptingread-write services in solid state disk Download PDFInfo
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- CN106445418A CN106445418A CN201610855049.4A CN201610855049A CN106445418A CN 106445418 A CN106445418 A CN 106445418A CN 201610855049 A CN201610855049 A CN 201610855049A CN 106445418 A CN106445418 A CN 106445418A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
- G06F3/0676—Magnetic disk device
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a method and device for self-adaptingread-write services in a solid state disk. The method comprises the steps that the read service amount and the write service amount of the solid state disk are obtained at a predetermined time interval; the read service amount and the write service amount are compared to obtain a comparison result; according to the comparison result, corresponding priority levels are set for the read and write services; corresponding services are performed according to the set priority levels. By the adoption of the method and device for self-adapting the read-write services in the solid state disk, different priority levels can be set for the read and write services according to the read service amount and the write service amount, so that good services are provided for the solid state disk.
Description
Technical field
The invention belongs to computer system flash memory technology field, in more particularly to a kind of solid state hard disc, read-write service is adaptive
The method and apparatus answered.
Background technology
With the development of the technology such as the Internet, cloud computing, Internet of Things, data to be processed is needed to assume explosive growth, Gu
State hard disk as new generation storage device, can data storage in a large number, therefore, be widely used.
In the work process of solid state hard disc, the read-write intensity under different application scenarios is not consistent, some scene masters
Will be based on reading business, and some scenes to be to write based on business it is therefore desirable to reading business and writing traffic differentiation and treat, but existing
There is the solid state hard disc in technology not have related differentiation and treat mechanism, lead to service quality not good.
Content of the invention
For solving the above problems, the invention provides the method and apparatus reading and writing service adaptation in a kind of solid state hard disc,
The different priority of setting can be serviced for reading service with writing, makes solid-state hard according to reading service and the portfolio size writing service
Disk provides and preferably services.
The method reading and writing service adaptation in a kind of solid state hard disc that the present invention provides, including：
Within a preset time interval, obtain the reading business of solid state hard disc and write the quantity of business；
The quantity of described reading business and the described quantity writing business are compared, obtain comparative result；
According to described comparative result, to described reading business with described write the corresponding priority of business setting；
Described priority with setting is that foundation is serviced accordingly.
Preferably, read and write in the method for service adaptation in above-mentioned solid state hard disc,
The described quantity by described reading business and the described quantity writing business are compared, and obtain comparative result and include：
Using described reading business quantity divided by the described quantity writing business, obtain read-write ratio.
Preferably, read and write in the method for service adaptation in above-mentioned solid state hard disc,
Described according to described comparative result, described reading business and the described corresponding priority of business setting of writing are included：
When described read-write ratio is more than the first threshold value, described reading business setting is become high priority, and writes described
Business setting becomes low priority；
When described read-write ratio is less than the second threshold value, described reading business setting is become low priority, and writes described
Business setting becomes high priority.
Preferably, read and write in the method for service adaptation in above-mentioned solid state hard disc,
The described described priority with setting be according to serviced accordingly including：
The service propelling being arranged to high priority is entered higher priority service queue, the business being arranged to low priority is pushed away
Deliver to low priority service queue.
Preferably, read and write in the method for service adaptation in above-mentioned solid state hard disc,
The scope of described Preset Time is 1 minute to 10 minutes.
The device of service adaptation is read and write in a kind of solid state hard disc that the present invention provides, including：
Obtaining widget, within a preset time interval, the reading business obtaining solid state hard disc and the quantity writing business；
Comparing unit, for being compared the quantity of described reading business and the described quantity writing business, obtains comparing knot
Really；
Priority set parts, for according to described comparative result, to described reading business with described to write business setting corresponding
Priority；
Service Part, for being that foundation is serviced accordingly with the described priority of setting.
Preferably, read and write in the device of service adaptation in above-mentioned solid state hard disc,
Described comparing unit, is read and write divided by the described quantity writing business specifically for the quantity using described reading business
Ratio.
Preferably, read and write in the device of service adaptation in above-mentioned solid state hard disc,
Described priority set parts specifically for when described read-write ratio be more than the first threshold value when, by described reading business
It is arranged to high priority, and write described business setting and become low priority；When described read-write ratio is less than the second threshold value, will
Described reading business setting becomes low priority, and writes described business setting and become high priority.
Preferably, read and write in the device of service adaptation in above-mentioned solid state hard disc,
Described Service Part, specifically for the service propelling being arranged to high priority is entered higher priority service queue, will set
The service propelling being set to low priority is to low priority service queue.
Preferably, read and write in the device of service adaptation in above-mentioned solid state hard disc,
Described obtaining widget is specifically for, in the time interval of 1 minute to 10 minutes, obtaining the reading business of solid state hard disc
Quantity with business of writing.
Method and the dress of service adaptation are provided in the above-mentioned solid state hard disc providing by foregoing description, the present invention
Put, because the method includes：Within a preset time interval, obtain the reading business of solid state hard disc and write the quantity of business；Will be described
The quantity of reading business and the described quantity writing business are compared, and obtain comparative result；According to described comparative result, to described reading
Business and described write the corresponding priority of business setting；Described priority with setting is that foundation is serviced, therefore accordingly
The different priority of setting can be serviced for reading service with writing, makes solid-state hard according to reading service and the portfolio size writing service
Disk provides and preferably services.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
The schematic diagram of the method for service adaptation is read and write for the embodiment of the present application in the first solid state hard disc that Fig. 1 provides；
The schematic diagram of the device of service adaptation is read and write for the embodiment of the present application in the first solid state hard disc that Fig. 2 provides.
Specific embodiment
The core concept of the present invention is to provide the method and apparatus reading and writing service adaptation in a kind of solid state hard disc, can
According to reading service and the portfolio size writing service, for reading to service the priority different with writing service setting, solid state hard disc is made to carry
Service for more preferable.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The method of service adaptation is read and write as shown in figure 1, Fig. 1 is in the first solid state hard disc that the embodiment of the present application provides
The schematic diagram of the method for service adaptation is read and write, the method includes as follows in the first solid state hard disc that the embodiment of the present application provides
Step：
S1：Within a preset time interval, obtain the reading business of solid state hard disc and write the quantity of business；
It should be noted that solid state hard disc typically all can not only carry out read operation but also carry out write operation within the same time, profit
Use this step, obtain the quantity of the two it becomes possible to the foundation that judges as subsequent step simultaneously, and every at regular intervals between
Every all obtaining the quantity of the two in real time it is possible to carry out the modification of priority according to real-time condition.
S2：The quantity of described reading business and the described quantity writing business are compared, obtain comparative result；
Specifically, difference therebetween can be calculated, or calculate ratio therebetween, in a word, as long as obtaining two
Person specific more than one with few relation, specific manner of comparison is not limited.
S3：According to described comparative result, to described reading business with described write the corresponding priority of business setting；
Using described comparative result it becomes possible to learn reading business with which is write in business is more, which lacks, and that is just
Can be high priority to some more business setting carrying out, and the more less business setting carrying out is low preferential
Level.
S4：Described priority with setting is that foundation is serviced accordingly.
In this step, just can be serviced accordingly using different priority, when current reading business is excessive,
Then preferentially carry out read operation, and when current write business excessive when, then preferentially carry out write operation, it is possible to increase work efficiency kimonos
Business quality.
The method that service adaptation is provided in the above-mentioned solid state hard disc providing by foregoing description, the embodiment of the present application
Including：Within a preset time interval, obtain the reading business of solid state hard disc and write the quantity of business；By the quantity of described reading business and
The described quantity writing business is compared, and obtains comparative result；According to described comparative result, to described reading business with described write industry
Business arranges corresponding priority；Described priority with setting is according to being serviced accordingly, therefore, it is possible to according to reading service
With the portfolio size of service of writing, for reading service, different priority are set with the service write, so that solid state hard disc is provided and preferably take
Business.
The method reading and writing service adaptation in the second solid state hard disc that the embodiment of the present application provides, the first is solid above-mentioned
On the basis of reading and writing the method for service adaptation in state hard disk, also include following technical characteristic：
The described quantity by described reading business and the described quantity writing business are compared, and obtain comparative result and include：
Using described reading business quantity divided by the described quantity writing business, obtain read-write ratio.
Using read-write ratio it becomes possible to more intuitively showing current reading business and writing relation between business, if
This read-write ratio is more than 1, then show that reading business is more than and write business, if this read-write ratio is less than 1, shows that reading business is less than and writes
Business.
The method reading and writing service adaptation in the third solid state hard disc that the embodiment of the present application provides, solid in above-mentioned second
On the basis of reading and writing the method for service adaptation in state hard disk, also include following technical characteristic：
Described according to described comparative result, described reading business and the described corresponding priority of business setting of writing are included：
When described read-write ratio is more than the first threshold value, described reading business setting is become high priority, and writes described
Business setting becomes low priority；
When described read-write ratio is less than the second threshold value, described reading business setting is become low priority, and writes described
Business setting becomes high priority.
It should be noted that this first threshold value and the second threshold value can be set according to specific circumstances, one
Specific scheme is that this first threshold value is set greater than 2 arbitrary value, and this second threshold value is arranged to appointing between 1 to 1.5
Meaning value.Further, by the first threshold value be 3 and second threshold value be 1.5 as a example this step is described as follows：When described
When read-write ratio is more than 3, described reading business setting is become high priority, and writes described business setting and become low priority；Work as institute
When stating read-write ratio and being less than 1.5, described reading business setting is become low priority, and writes described business setting and become high priority.
If additionally needed it is emphasized that when current reading business is high priority, with read-write ratio less and less to during less than 3, according to
So keep the state that reading business is high priority, until continuing to reduce when read-write ratio, little to priority shape just can be changed when 1.5
State, becomes low priority by reading business setting, vice versa, and here is omitted that is to say, that in the first threshold value and second
There is between limit value a relief area, directly can't change priority state after reaching this relief area, but form one
Fixed buffering, prevents frequent operation from causing the wasting of resources.
The method reading and writing service adaptation in the 4th kind of solid state hard disc that the embodiment of the present application provides, consolidates in above-mentioned the third
On the basis of reading and writing the method for service adaptation in state hard disk, also include following technical characteristic：
The described described priority with setting be according to serviced accordingly including：
The service propelling being arranged to high priority is entered higher priority service queue, the business being arranged to low priority is pushed away
Deliver to low priority service queue.
In this case it becomes possible to priority treatment is carried out to the business in higher priority service queue, and will be low preferential
Business in level service queue delays process, thus improving service level.
The embodiment of the present application provide the 5th kind of solid state hard disc in read and write service adaptation method, above-mentioned the first extremely
Read and write in 4th kind of solid state hard disc in the method for service adaptation on the basis of any one, also include following technical characteristic：
The scope of described Preset Time is 1 minute to 10 minutes.
In sum, said method can be as the algorithm of flash memory conversion coating (FTL), using the side of prediction type of service
Formula, by using different service priority queues, improving the service quality in solid state hard disc.
The device of service adaptation is read and write as shown in Fig. 2 Fig. 2 is in the first solid state hard disc that the embodiment of the present application provides
The schematic diagram of the device of service adaptation is read and write in the first solid state hard disc that the embodiment of the present application provides.This device includes：
Obtaining widget 201, within a preset time interval, the reading business obtaining solid state hard disc and the quantity writing business,
Solid state hard disc typically all can not only carry out read operation but also carry out write operation within the same time, using this part, obtain the two simultaneously
Quantity it becomes possible to the foundation that judges as subsequent step, and all obtain the number of the two in real time every certain time interval
Amount it is possible to carry out the modification of priority according to real-time condition；
Comparing unit 202, for being compared the quantity of described reading business and the described quantity writing business, is compared
As a result, it is possible to calculate difference therebetween, or calculate ratio therebetween, in a word, as long as obtain the two specific one
Individual many and few relations, do not limit to specific manner of comparison；
Priority set parts 203, for according to described comparative result, to described reading business with described write business setting phase
The priority answered, specifically, using described comparative result it becomes possible to learn reading business with which is write in business is more, which
Few, that can be just high priority to some more business setting carrying out, and by the more less business carrying out
It is set to low priority；
Service Part 204, for being that foundation is serviced accordingly with the described priority of setting.
The dress of service adaptation is provided in the above-mentioned solid state hard disc providing by foregoing description, the embodiment of the present application
Put, the different priority of setting can be serviced for reading service with writing, make solid-state according to reading service and the portfolio size writing service
Hard disk provides and preferably services, and just can be serviced accordingly using different priority, when current reading business is excessive,
Then preferentially carry out read operation, and when current write business excessive when, then preferentially carry out write operation.
The embodiment of the present application provide second solid state hard disc in read and write service adaptation device, be above-mentioned the first
On the basis of reading and writing the device of service adaptation in solid state hard disc, also include following technical characteristic：
Described comparing unit, is read and write divided by the described quantity writing business specifically for the quantity using described reading business
Ratio.
Using read-write ratio it becomes possible to more intuitively showing current reading business and writing relation between business, if
This read-write ratio is more than 1, then show that reading business is more than and write business, if this read-write ratio is less than 1, shows that reading business is less than and writes
Business.
Read and write the device of service adaptation in the third solid state hard disc that the embodiment of the present application provides, be in above-mentioned second
On the basis of reading and writing the device of service adaptation in solid state hard disc, also include following technical characteristic：
Described priority set parts specifically for when described read-write ratio be more than the first threshold value when, by described reading business
It is arranged to high priority, and write described business setting and become low priority；When described read-write ratio is less than the second threshold value, will
Described reading business setting becomes low priority, and writes described business setting and become high priority.
It should be noted that this first threshold value and the second threshold value can be set according to specific circumstances, one
Specific scheme is that this first threshold value is set greater than 2 arbitrary value, and this second threshold value is arranged to appointing between 1 to 1.5
Meaning value.Further, by the first threshold value be 3 and second threshold value be 1.5 as a example this step is described as follows：When described
When read-write ratio is more than 3, described reading business setting is become high priority, and writes described business setting and become low priority；Work as institute
When stating read-write ratio and being less than 1.5, described reading business setting is become low priority, and writes described business setting and become high priority.
If additionally needed it is emphasized that when current reading business is high priority, with read-write ratio less and less to during less than 3, according to
So keep the state that reading business is high priority, until continuing to reduce when read-write ratio, little to priority shape just can be changed when 1.5
State, becomes low priority by reading business setting, vice versa, and here is omitted that is to say, that in the first threshold value and second
There is between limit value a relief area, directly can't change priority state after reaching this relief area, but form one
Fixed buffering, prevents frequent operation from causing the wasting of resources.
The embodiment of the present application provide the 4th kind of solid state hard disc in read and write service adaptation device, be above-mentioned the third
On the basis of reading and writing the device of service adaptation in solid state hard disc, also include following technical characteristic：
Described Service Part, specifically for the service propelling being arranged to high priority is entered higher priority service queue, will set
The service propelling being set to low priority is to low priority service queue.
In this case it becomes possible to priority treatment is carried out to the business in higher priority service queue, and will be low preferential
Business in level service queue delays process, thus improving service level.
The embodiment of the present application provide the 5th kind of solid state hard disc in read and write service adaptation device, be above-mentioned the first
Read and write to the 4th kind of solid state hard disc in the device of service adaptation on the basis of any one, also include following technical characteristic：
Described obtaining widget is specifically for, in the time interval of 1 minute to 10 minutes, obtaining the reading business of solid state hard disc
Quantity with business of writing.
In sum, said apparatus pass through using different service priority queues, it is possible to increase the clothes in solid state hard disc
Business quality.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. read and write the method for service adaptation in a kind of solid state hard disc it is characterised in that including：
Within a preset time interval, obtain the reading business of solid state hard disc and write the quantity of business；
The quantity of described reading business and the described quantity writing business are compared, obtain comparative result；
According to described comparative result, to described reading business with described write the corresponding priority of business setting；
Described priority with setting is that foundation is serviced accordingly.
2. in solid state hard disc according to claim 1 read and write service adaptation method it is characterised in that
The described quantity by described reading business and the described quantity writing business are compared, and obtain comparative result and include：
Using described reading business quantity divided by the described quantity writing business, obtain read-write ratio.
3. in solid state hard disc according to claim 2 read and write service adaptation method it is characterised in that
Described according to described comparative result, described reading business and the described corresponding priority of business setting of writing are included：
When described read-write ratio is more than the first threshold value, described reading business setting is become high priority, and writes business by described
It is arranged to low priority；
When described read-write ratio is less than the second threshold value, described reading business setting is become low priority, and writes business by described
It is arranged to high priority.
4. in solid state hard disc according to claim 3 read and write service adaptation method it is characterised in that
The described described priority with setting be according to serviced accordingly including：
The service propelling being arranged to high priority is entered higher priority service queue, by the service propelling being arranged to low priority extremely
Low priority service queue.
5. in the solid state hard disc according to any one of claim 1-4 read and write service adaptation method it is characterised in that
The scope of described Preset Time is 1 minute to 10 minutes.
6. read and write the device of service adaptation in a kind of solid state hard disc it is characterised in that including：
Obtaining widget, within a preset time interval, the reading business obtaining solid state hard disc and the quantity writing business；
Comparing unit, for being compared the quantity of described reading business and the described quantity writing business, obtains comparative result；
Priority set parts, for according to described comparative result, to described reading business with described to write business setting excellent accordingly
First level；
Service Part, for being that foundation is serviced accordingly with the described priority of setting.
7. in solid state hard disc according to claim 6 read and write service adaptation device it is characterised in that
Described comparing unit obtains read-write ratio specifically for the quantity using described reading business divided by the described quantity writing business
Example.
8. in solid state hard disc according to claim 7 read and write service adaptation device it is characterised in that
Described priority set parts specifically for when described read-write ratio be more than the first threshold value when, by described reading business setting
Become high priority, and write described business setting and become low priority；When described read-write ratio is less than the second threshold value, will be described
Read business setting and become low priority, and write described business setting and become high priority.
9. in solid state hard disc according to claim 8 read and write service adaptation device it is characterised in that
Described Service Part, specifically for the service propelling being arranged to high priority is entered higher priority service queue, will be arranged to
The service propelling of low priority is to low priority service queue.
10. in the solid state hard disc according to any one of claim 6-9 read and write service adaptation device it is characterised in that
Described obtaining widget is specifically for, in the time interval of 1 minute to 10 minutes, obtaining the reading business of solid state hard disc and writing business
Quantity.
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| CN201610855049.4A CN106445418A (en) | 2016-09-27 | 2016-09-27 | Method and device for self-adaptingread-write services in solid state disk |
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| CN201610855049.4A CN106445418A (en) | 2016-09-27 | 2016-09-27 | Method and device for self-adaptingread-write services in solid state disk |
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| WO2022155970A1 (en) * | 2021-01-25 | 2022-07-28 | 华为技术有限公司 | Memory control method and memory control apparatus |
| WO2022223047A1 (en) * | 2021-04-23 | 2022-10-27 | 华为技术有限公司 | Data read/write method, data read/write controller, and storage medium |
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