CN110209357A - Improve method, apparatus, computer equipment and the storage medium of the big file write performance of SSD - Google Patents
Improve method, apparatus, computer equipment and the storage medium of the big file write performance of SSD Download PDFInfo
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- CN110209357A CN110209357A CN201910481161.XA CN201910481161A CN110209357A CN 110209357 A CN110209357 A CN 110209357A CN 201910481161 A CN201910481161 A CN 201910481161A CN 110209357 A CN110209357 A CN 110209357A
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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
- G06F3/061—Improving I/O performance
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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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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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
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
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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
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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Abstract
The invention discloses a kind of method, apparatus, computer equipment and storage mediums for improving the big file write performance of SSD, and wherein method includes: to set the memory capacity of SLC；Data are written in the need that solid state hard disk receiving host end issues；SLC descriptor is configured, data will need to be written and stored in a manner of SLC；Judge whether the memory capacity of SLC has expired；If so, judging whether that there are also unfinished need write-in data；If so, data, which are written, in unfinished need by SLC is carried to TLC；TLC descriptor is configured, unfinished need write-in data are stored in a manner of TLC.By the way that SLC and TLC writing mode be combined with each other, SLC is preferentially written the present invention, when data are written to SLC setting capacity, are switched to TLC write-in, to substantially increase big file write efficiency, while improving the space utilization rate of SSD, improve the performance of SSD.
Description
Technical field
The present invention relates to solid state hard disk fields, the more specifically method, apparatus of the raising big file write performance of SSD, meter
Calculate machine equipment and storage medium.
Background technique
As shown in Figs. 1-2, the process that the big file of existing SSD (solid state hard disk) is write are as follows: the write-in number that receiving host end issues
According to: prepare corresponding descriptor；Selection is written still in SLC (Single-Level Cell, single-order storage element) mode
Selection TLC (Triple-Level Cell, three rank storage elements) mode is written, if selection SLC mode is written,
SLC descriptor is then issued, is write data into NAND by SLC mode, if selection TLC mode is written, issues TLC
Descriptor is write data into NAND by TLC mode.
For the normal reading and writing data of SLC/TLC, can be completed using the process.But since SLC has writing speed fast,
The high feature of security performance, and TLC has the characteristics that write-in amount of space is big.Therefore, for the write-in of big file, if only used
SLC writes, and there is a problem of that write-in space is inadequate, and if only write with TLC, it is written very slowly, data are unstable.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the method, the dresses that improve the big file write performance of SSD
It sets, computer equipment and storage medium.
To achieve the above object, the invention adopts the following technical scheme: the method for improving the big file write performance of SSD, described
Method includes:
Set the memory capacity of SLC；
Data are written in the need that solid state hard disk receiving host end issues；
SLC descriptor is configured, data will need to be written and stored in a manner of SLC；
Judge whether the memory capacity of SLC has expired；
If so, judging whether that there are also unfinished need write-in data；
If so, data, which are written, in unfinished need by SLC is carried to TLC；
TLC descriptor is configured, unfinished need write-in data are stored in a manner of TLC.
Its further technical solution are as follows: whether the memory capacity for judging SLC further includes following after full step
Step:
If it is not, then returning to the configuration SLC descriptor, the step of data are stored in a manner of SLC will need to be written.
Improve the big file write performance of SSD device, described device include setup unit, receiving unit, the first configuration unit,
First judging unit, second judgment unit, handling unit and the second configuration unit；
The setup unit, for setting the memory capacity of SLC；
Data are written in the receiving unit, the need issued for solid state hard disk receiving host end；
First configuration unit will need to be written data and be stored in a manner of SLC for configuring SLC descriptor；
First judging unit, for judging whether the memory capacity of SLC has expired；
The second judgment unit, for judging whether that there are also unfinished need, and data are written；
The handling unit is carried to TLC for data to be written in unfinished need by SLC；
Second configuration unit, for configuring TLC descriptor, by unfinished need write-in data in a manner of TLC into
Row storage.
A kind of computer equipment, including memory, processor and be stored on the memory and can be in the processing
The computer program run on device, the processor realize such as the above-mentioned big file of raising SSD when executing the computer program
The method and step of write performance.
A kind of storage medium, the storage medium are stored with computer program, and the computer program includes program instruction,
When described program instruction is executed by processor, so that the processor executes the side such as the above-mentioned raising big file write performance of SSD
Method step.
Compared with the prior art, the invention has the advantages that: the side provided by the invention for improving the big file write performance of SSD
Method, by the way that SLC and TLC writing mode be combined with each other, SLC is preferentially written, when data are written to SLC setting capacity, switching
For TLC write-in, to substantially increase big file write efficiency, while the space utilization rate of SSD is improved, improve SSD's
Performance.
The above description is only an overview of the technical scheme of the present invention, can in order to better understand technical measure
It is implemented in accordance with the contents of the specification, and in order to make above and other objects of the present invention, feature and advantage brighter
Show understandable, special below to lift preferred embodiment, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the NAND data frame memory figure of prior art SSD；
Fig. 2 is the written document flow chart of prior art SSD；
Fig. 3 is the NAND data frame memory figure of SSD of the present invention；
Fig. 4 is the flow chart for the method specific embodiment that the present invention improves the big file write performance of SSD；
Fig. 5 is the structure chart for the device specific embodiment that the present invention improves the big file write performance of SSD；
Fig. 6 is a kind of schematic block diagram of computer equipment specific embodiment of the present invention.
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
It should be appreciated that herein, relational terms such as first and second and the like are used merely to an entity/behaviour
Work/object is distinguished with another entity/operation/object, without necessarily requiring or implying these entity/operation/objects
Between there are any actual relationship or orders.
It is also understood that the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or the system that include a series of elements not only include those elements, but also including not having
The other element being expressly recited, or further include for this process, method, article or the intrinsic element of system.Do not having
In the case where having more limitations, the element that is limited by sentence "including a ...", it is not excluded that include the element process,
There is also other identical elements in method, article or system.
As shown in Figure 3,4, the present invention provides a kind of method for improving the big file write performance of SSD, this method includes following
Step:
S10, the memory capacity for setting SLC；
Data are written in the need that S20, solid state hard disk receiving host end issue；
S30, configuration SLC descriptor, will need to be written data and be stored in a manner of SLC；
S40, judge whether the memory capacity of SLC has expired, if so, S50 is entered step, if it is not, then return step S30；
S50, judge whether there are also unfinished need write-in data, if so, S60, then configuring TLC descriptor, will not complete
Need write-in data stored in a manner of TLC, if it is not, then return step S40.
Specifically, TLC is a storage unit storage 3bit data, TLC read-write can be written and read simultaneously every time SLC
The spies such as the data volume of three times, SLC are a storage unit storage 1bit data, and SLC has readwrite performance fast, and readwrite performance is stablized
Point.In conjunction with the advantage of the two respectively, the write-in of big file is preferentially preferentially written in a manner of SLC, when data are written to SLC
It when setting capacity, then is switched to the mode of TLC and is written, to greatly improve big file write efficiency, while promoting the space of SSD
Utilization rate.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
A kind of method of the big file write performance of raising SSD corresponding to above-described embodiment, the present invention also provides one kind to mention
The device of the high big file write performance of SSD.As shown in Fig. 3,5, which includes setup unit 1, the configuration list of receiving unit 2, first
First 3, first judging unit 4, second judgment unit 5, handling unit 6 and the second configuration unit 7；
Setup unit 1, for setting the memory capacity of SLC；
Data are written in receiving unit 2, the need issued for solid state hard disk receiving host end；
First configuration unit 3 will need to be written data and be stored in a manner of SLC for configuring SLC descriptor；
First judging unit 4, for judging whether the memory capacity of SLC has expired；
Second judgment unit 5, for judging whether that there are also unfinished need, and data are written；
Handling unit 6 is carried to TLC for data to be written in unfinished need by SLC；
Second configuration unit 7 is deposited unfinished need write-in data for configuring TLC descriptor in a manner of TLC
Storage.
Specifically, TLC is a storage unit storage 3bit data, TLC read-write can be written and read simultaneously every time SLC
The spies such as the data volume of three times, SLC are a storage unit storage 1bit data, and SLC has readwrite performance fast, and readwrite performance is stablized
Point.In conjunction with the advantage of the two respectively, the write-in of big file is preferentially preferentially written in a manner of SLC, when data are written to SLC
It when setting capacity, then is switched to the mode of TLC and is written, to greatly improve big file write efficiency, while promoting the space of SSD
Utilization rate.
As shown in fig. 6, the present invention also provides a kind of computer equipment, including memory, processor and it is stored in
On reservoir and the computer program that can run on a processor, processor realize such as above-mentioned raising when executing computer program
The method and step of the big file write performance of SSD.
The computer equipment 700 can be terminal or server.The computer equipment 700 includes passing through system bus 710
Processor 720, memory and the network interface 750 of connection, wherein memory may include 730 He of non-volatile memory medium
Built-in storage 740.
The non-volatile memory medium 730 can storage program area 731 and computer program 732.The computer program 732
It is performed, processor 720 may make to execute the method that any one improves the big file write performance of SSD.
The processor 720 supports the operation of entire computer equipment 700 for providing calculating and control ability.
The built-in storage 740 provides environment for the operation of the computer program 732 in non-volatile memory medium 730, should
When computer program 732 is executed by processor 720, processor 720 may make to execute any one and improve the big file write performance of SSD
Method.
The network interface 750 such as sends the task dispatching of distribution for carrying out network communication.Those skilled in the art can manage
Solution, structure shown in Fig. 6, only the block diagram of part-structure relevant to application scheme, is not constituted to the application side
The restriction for the computer equipment 700 that case is applied thereon, specific computer equipment 700 may include more than as shown in the figure
Or less component, perhaps combine certain components or with different component layouts.Wherein, the processor 720 is for transporting
Row program code stored in memory, to perform the steps of
Set the memory capacity of SLC；
Data are written in the need that solid state hard disk receiving host end issues；
SLC descriptor is configured, data will need to be written and stored in a manner of SLC；
Judge whether the memory capacity of SLC has expired；
If so, judging whether that there are also unfinished need write-in data；
If so, data, which are written, in unfinished need by SLC is carried to TLC；
TLC descriptor is configured, unfinished need write-in data are stored in a manner of TLC.
In certain embodiments, judge the memory capacity of SLC whether after full step, further comprising the steps of:
If it is not, then returning to configuration SLC descriptor, the step of data are stored in a manner of SLC will need to be written.
It should be appreciated that in the embodiment of the present application, processor 720 can be central processing unit (Central
Processing Unit, CPU), which can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic
Device, discrete gate or transistor logic, discrete hardware components etc..Wherein, general processor can be microprocessor or
Person's processor is also possible to any conventional processor etc..
It will be understood by those skilled in the art that 700 structure of computer equipment shown in Fig. 6 is not constituted and is set to computer
Standby 700 restriction may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention
Substantially all or part of the part that contributes to existing technology or the technical solution can be with software product in other words
Form embody, which is stored in a storage medium, including some instructions use so that one
Computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute this hair
The all or part of the steps of each embodiment the method in bright.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional units, described above to complete
All or part of function.Each functional unit in embodiment, module can integrate in one processing unit, be also possible to each
A unit physically exists alone, and can also be integrated in one unit with two or more units, and above-mentioned integrated unit was both
It can take the form of hardware realization, can also realize in the form of software functional units.In addition, each functional unit, module
Specific name be also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Unit in above-mentioned apparatus
Specific work process, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module or unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with
In conjunction with or be desirably integrated into another device, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (5)
1. the method for improving the big file write performance of SSD, which is characterized in that the described method includes:
Set the memory capacity of SLC；
Data are written in the need that solid state hard disk receiving host end issues；
SLC descriptor is configured, data will need to be written and stored in a manner of SLC；
Judge whether the memory capacity of SLC has expired；
If so, judging whether that there are also unfinished need write-in data；
If so, data, which are written, in unfinished need by SLC is carried to TLC；
TLC descriptor is configured, unfinished need write-in data are stored in a manner of TLC.
2. the method according to claim 1 for improving the big file write performance of SSD, which is characterized in that the judgement SLC's deposits
Capacity is stored up whether after full step, further comprising the steps of:
If it is not, then returning to the configuration SLC descriptor, the step of data are stored in a manner of SLC will need to be written.
3. improving the device of the big file write performance of SSD, which is characterized in that described device includes setup unit, receiving unit, first
Configuration unit, the first judging unit, second judgment unit, handling unit and the second configuration unit；
The setup unit, for setting the memory capacity of SLC；
Data are written in the receiving unit, the need issued for solid state hard disk receiving host end；
First configuration unit will need to be written data and be stored in a manner of SLC for configuring SLC descriptor；
First judging unit, for judging whether the memory capacity of SLC has expired；
The second judgment unit, for judging whether that there are also unfinished need, and data are written；
The handling unit is carried to TLC for data to be written in unfinished need by SLC；
Second configuration unit is deposited unfinished need write-in data for configuring TLC descriptor in a manner of TLC
Storage.
4. a kind of computer equipment, which is characterized in that including memory, processor and be stored on the memory and can be
The computer program run on the processor, the processor realize such as claim 1~2 when executing the computer program
Any one of described in raising the big file write performance of SSD method and step.
5. a kind of storage medium, which is characterized in that the storage medium is stored with computer program, and the computer program includes
Program instruction, when described program instruction is executed by processor, so that the processor executes such as claim 1~2 any one
The method and step of the raising big file write performance of SSD.
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| CN111913662A (en) * | 2020-07-29 | 2020-11-10 | 深圳忆联信息系统有限公司 | SLC (Single chip computer) writing performance improving method and device, computer equipment and storage medium |
| CN113867624A (en) * | 2021-08-26 | 2021-12-31 | 深圳佰维存储科技股份有限公司 | Data writing method and device, readable storage medium and electronic equipment |
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Application publication date: 20190906 |