CN103645991B - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
- Publication number
- CN103645991B CN103645991B CN201310598402.1A CN201310598402A CN103645991B CN 103645991 B CN103645991 B CN 103645991B CN 201310598402 A CN201310598402 A CN 201310598402A CN 103645991 B CN103645991 B CN 103645991B
- Authority
- CN
- China
- Prior art keywords
- address
- data
- write
- page unit
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Landscapes
- Memory System (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a data processing method and device. The data processing method comprises obtaining a first write instruction which is sent through an operating system; then confirming a first hot value of a first memory address according to the first write instruction; finally writing data into a second memory address according to the first hot value. According to the data processing method, the data with approximate hot values are stored in the same physical block, effective data move is reduced, system performance is improved, system extra loss is reduced, and the service life of the system is improved.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a data processing method and apparatus.
Background
Through statistics of the access amount of the network service data and the personal computer data, 80% of the access amount is concentrated in 20% of the space.
In the prior art, the reading and writing of the storage medium NAND FLASH are performed in units of pages, the erasing is performed in units of blocks, after the data is accessed once, the old data at the original physical address is marked as invalid, the system finds a blank page which is not written in again to store the updated data, and then points the logical address to the new page, thereby completing the updating process of the data. As data is continually updated, the system may initiate a garbage collection mechanism (GC) to consolidate the valid data that is not updated on each block, write the data block in the page to another new blank block, and then erase the data block to a new blank block for the next write.
However, in the process that the storage system can start a garbage collection mechanism (GC) to integrate valid data that is not updated in each block, the data block has both invalid data and valid data, and when the garbage collection mechanism is started, the valid data needs to be moved to other blank blocks, thereby causing additional read-write operations in the system and further causing loss of the storage system.
Disclosure of Invention
The embodiment of the invention provides a data processing method and device, which are used for reducing the loss of a storage system.
In a first aspect, an embodiment of the present invention provides a data processing method, including:
acquiring a first write-in instruction sent by an operating system, wherein the first write-in instruction is an instruction for preparing to write data into a storage medium, and the first write-in instruction carries the data;
determining a first heat value of a first storage address according to the first write instruction, wherein the first storage address is an address of the first write instruction for preparing to write the data into the storage medium, and the first heat value is used for identifying the frequency of operating the first storage address;
and writing the data into a second storage address of the storage medium according to the first heat value, wherein the first heat value is in a range of the second heat value corresponding to the second storage address.
In a first possible implementation manner, the determining, according to the first write instruction, a first thermal value of a storage address includes:
determining the first storage address according to the first write instruction;
and determining a first heat value of the first storage address according to the first storage address.
With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner, the first write instruction includes a start address of the data to be written and a length of the data;
the determining a first thermal value of a first memory address according to the first write instruction includes:
determining a page unit address for preparing to write the data into a logical page unit in the storage medium according to the initial address of the data and the length of the read-write data;
determining a first thermal value of the logical page unit according to the page unit address.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner, the determining a first hot value of the logical page unit according to the page unit address includes:
adding the page unit address to the position of a chain head in a heat weight value linked list, wherein the heat weight value linked list comprises a plurality of subsections, each subsection corresponds to a heat weight value, each subsection comprises information of a logic page unit operated by each operation instruction, and the heat weight value linked list comprises the chain head and the chain tail;
and summing the heat weight values corresponding to each page unit address in the heat weight value linked list to obtain the first heat value.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the adding the page address information of the logical page unit before the chain head position in the hot weight linked list further includes:
deleting the page unit address stored in the chain tail in the hot weight value linked list;
and moving the page unit address which is not deleted in the hot weight linked list to the position of the chain tail by a node.
With reference to the first aspect to any one of the fourth possible implementation manners of the first aspect, in a fifth possible implementation manner, after writing the data into the second storage address according to the first heat value, the method further includes:
and sending the information of the second storage address to the operating system.
In a second aspect, an embodiment of the present invention provides a data processing apparatus, including:
the device comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring a first write-in instruction sent by an operating system, the first write-in instruction is an instruction for preparing to write data into a storage medium, and the first write-in instruction carries the data;
the processing module is used for determining a first heat value of a first storage address according to the first write instruction, wherein the first storage address is an address for preparing to write the data into the storage medium by the first write instruction, and the first heat value is used for identifying the frequency of operating the first storage address;
and the writing module is used for writing the data into a second storage address of the storage medium according to the first heat value, wherein the first heat value is in a range of the second heat value corresponding to the second storage address.
In a first possible implementation manner, the processing module is specifically configured to determine the first storage address according to the first write instruction; and determining a first heat value of the first storage address according to the first storage address.
With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner, the first write instruction includes a start address of the data to be written and a length of the data;
the processing module is specifically configured to determine, according to the start address of the data and the length of the read-write data, a page unit address of a logical page unit in the storage medium to be written with the data; determining a first thermal value of the logical page unit according to the page unit address.
With reference to the second possible implementation manner of the second aspect, in a third possible implementation manner, the processing module is further configured to add the page unit address to a position of a head of a chain in a hot weight linked list, where the hot weight linked list includes a plurality of subsections, each subsection corresponds to a hot weight, and each subsection includes information of a logical page unit operated by each operation instruction, where the hot weight linked list includes the head of the chain and a tail of the chain; and summing the heat weight values corresponding to each page unit address in the heat weight value linked list to obtain the first heat value.
With reference to the third possible implementation manner of the second aspect, in a fourth possible implementation manner, the processing module is further configured to delete a page unit address stored in the chain tail in the hot weight linked list; and moving the page unit address which is not deleted in the hot weight linked list to the position of the chain tail by a node.
With reference to the second aspect to any one of the fourth possible implementation manners of the second aspect, in a fifth possible implementation manner, the method further includes: a sending module;
and the sending module is used for sending the information of the second storage address to the operating system.
According to the data processing method and device provided by the embodiment of the invention, the first write-in instruction sent by the operating system is obtained, then the first heat value of the first storage address is determined according to the first write-in instruction, and then the data is written into the second storage address according to the first heat value, so that the data with close heat values are stored in the same physical block, the garbage recovery efficiency of the system is improved, the use reliability of each physical block is improved, and the loss of the storage system is reduced.
Drawings
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, and 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 these drawings without creative efforts.
Fig. 1 is a flowchart of a data processing method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another data processing method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a heat weight linked list according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another data processing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The data processing method provided by the embodiment of the present invention may be applied to a process of storing write data in a storage system, where the data processing method provided by the embodiment may be specifically executed by a data processing apparatus, and the data processing apparatus may be implemented in a software and/or hardware manner. The data processing method and apparatus provided in the present embodiment are explained in detail below.
Fig. 1 is a flowchart of a data processing method according to an embodiment of the present invention. As shown in fig. 1, the data processing method provided in this embodiment includes:
s101, acquiring a first writing instruction sent by an operating system.
In this embodiment, when the operating system sends the first write command, the data processing apparatus may obtain, at a Flash Translation Layer (FTL), the first write command sent by the operating system. The first write command is a command to prepare to write data to the storage medium, and the first write command includes the data, that is, the data to be written to the storage medium.
S102, determining a first heat value of the first storage address according to the first write-in command.
In this embodiment, the data processing apparatus may determine, according to the first write instruction, a first thermal value of the first storage address, where the first storage address is an address for the first write instruction to prepare to write data to the storage medium, and the first thermal value is an address identifying how frequently the first storage address is operated. That is, within a preset time period or a preset number of operations on the storage medium, the data processing apparatus may determine a first thermal value of the operation on the first storage address, that is, how frequently the operation system operates the first storage address, which may be understood as reading the data stored in the first storage address.
The first storage address in this embodiment may be at least one address in the storage medium, and the address may be a physical address or a logical address. It should be noted that the logical address is visible to the user, and the physical address corresponding to the logical address is obtained by editing the mapping table between the logical address and the physical address, where the physical address is the actual address of the storage medium.
And S103, writing the data into a second storage address of the storage medium according to the first heat value.
The first heat value of the present embodiment is within a range of the second heat value corresponding to the second memory address.
Specifically, the data processing apparatus may determine how frequently the operating system sends the command to the first address, that is, a first thermal value, according to a predetermined time or a predetermined number of times, and then write the data to be written by the first write command into a second address corresponding to the first thermal value. Further, a hot value of the write data corresponding to the first address may be determined according to the lifetime of the memory block where the second address is located, for example, if the first hot value is higher, the write data may be written into an address with a shorter lifetime. The data with close heat values are stored in the same physical block, so that the system does not need to move partial data when erasing the same physical block, and the erasing service life of the same physical block is close.
According to the data processing method provided by the embodiment, the first write-in instruction sent by the operating system is obtained, then the first heat value of the first storage address is determined according to the first write-in instruction, and then the data is written into the second storage address according to the first heat value, so that the data with the heat value close to the heat value is stored in the same physical block, the moving of effective data is reduced, the performance of the system is improved, the extra loss of the system is reduced, and the service life of the system is prolonged.
On the basis of the above embodiment, after S103, the method may further include:
and sending the information of the second storage address to an operating system.
In this embodiment, the second storage address where the data is actually written may be the same as or different from the first storage address where the first write instruction is ready to be written, and therefore, after the data processing apparatus writes the data into the second storage address, information of the second storage address needs to be sent to the operating system, so as to determine the address where the data is actually stored when the data is read in the future.
Further, on the basis of the foregoing embodiment, S102 may specifically include:
according to the first write instruction, a first memory address is determined.
A first thermal value of the first memory address is determined based on the first memory address.
For example, the first write command may include a first address and a length of the data, where the first address is a logical address, and if the data needs to be written into multiple logical addresses of the storage medium, the logical address where the data is ready to be written into the storage medium, that is, the first storage address, may be determined according to the first address and the length of the data, and then the data processing apparatus may determine the first heat value of the first storage address according to the first storage address.
Fig. 2 is a flowchart of another data processing method according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of a heat weight linked list according to an embodiment of the present invention. As shown in fig. 2, the data processing method provided in this embodiment may specifically include:
s201, acquiring a first writing instruction sent by an operating system.
In this embodiment, the first write command is a command to prepare to write data to the storage medium, and the first write command includes the data, i.e., the data to be written to the storage medium.
S202, determining the page unit address of the logical page unit to be written into the storage medium according to the initial address of the data and the length of the data.
In this embodiment, the first write command may include a first address to be used for writing data into the storage medium and a length of the data, where the first address is a logical address, and if the data needs to be written into multiple logical addresses of the storage medium, the logical address to be used for writing the data into the storage medium, that is, a page unit address of a logical page unit, may be determined according to the first address and the length of the data.
It should be noted that the storage medium in this embodiment includes at least one data block for storing data, the data block may be used for storing data with a fixed size, each data block includes at least one page (page), each page includes multiple logical page units, and each logical page unit is represented by one logical address, i.e., a page unit address, for example, each page in NAND FLASH includes 16 page units, each page is 8K, each page unit (sector) is 512B, and the addresses of the 16 page units are represented by 16 consecutive logical LBA addresses.
And S203, adding the page unit address to the position of the chain head in the heat weight value chain table.
In this embodiment, as shown in fig. 3, the heat weight linked list includes a plurality of subsections, each subsection may correspond to one heat weight, and each subsection includes a page unit address where each operation instruction operates, where the heat weight linked list includes a chain head and a chain tail.
For example, if the number of the page unit addresses is plural, the plural addresses included in the page unit address are added to the subsections of the chain head. As shown in fig. 3, page unit addresses 70, 71, 72 are added in the subsections of the chain head.
S204, adding and summing the heat weight values corresponding to the page unit addresses in the heat weight value linked list to obtain a first heat value.
In this embodiment, the page unit address is an address at which the first write command prepares to write data to the storage medium.
For example, the thermal weights corresponding to the page unit address 70 are 4, 6, and 7, respectively, so that the thermal weight of the page unit address 70 is 4+6+7, that is, the thermal weight is 17; and by analogy, calculating the heat weight value of the page unit address.
It should be noted that, each heat weight in the heat weight linked list of this embodiment may be set according to a distance from a chain head or a chain tail, or may be set according to an arithmetic series or an geometric series, and a manner that may be thought of by those skilled in the art, and the setting of the heat weight is not limited herein.
And S205, writing the data into a second storage address of the storage medium according to the first heat value.
The first heat value of the present embodiment is within a range of the second heat value corresponding to the second memory address.
In this embodiment, the first heat value of the first storage address is determined according to the first write instruction, and the data is written into the second storage address of the storage medium according to the first heat value, so that the data with close heat values are stored in the same physical block, the efficiency of garbage collection of the system is improved, the service life of each physical block is prolonged, and the loss of the storage system is reduced.
On the basis of the foregoing embodiment, before S203, the method may further include:
deleting the page unit address stored in the chain tail in the hot weight value linked list;
and moving the page unit address which is not deleted in the hot weight value linked list to the position of the tail of the link by one node.
Further, on the basis of the above embodiment, after S205, the method may further include
And sending the information of the second storage address to an operating system.
Specifically, after the data is written into the second storage address according to the first heat value, the data processing apparatus needs to notify the operating system of the second storage address where the data is actually stored, so that the operating system determines the address where the data is actually written by the first write instruction.
Fig. 4 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present invention. As shown in fig. 4, the data processing apparatus includes: an acquisition module 41, a processing module 42 and a writing module 43. Wherein,
the obtaining module 41 is configured to obtain a first write instruction sent by an operating system, where the first write instruction is an instruction to prepare to write data in a storage medium, and the first write instruction carries data;
the processing module 42 is configured to determine, according to the first write instruction, a first thermal value of the first storage address, where the first storage address is an address where the first write instruction is to prepare to write data to the storage medium, and the first thermal value is an address that identifies how frequently the first storage address is operated;
and a writing module 43, configured to write the data into a second storage address of the storage medium according to the first heat value, where the first heat value is within a range of a second heat value corresponding to the second storage address.
According to the data processing method provided by the embodiment, the first write-in instruction sent by the operating system is obtained, then the first heat value of the first storage address is determined according to the first write-in instruction, and then the data is written into the second storage address according to the first heat value, so that the data with the heat values close to each other are stored in the same physical block, the moving of effective data is reduced, the performance of the system is improved, the extra loss of the system is reduced, and the service life of the system is prolonged.
On the basis of the foregoing embodiment, the processing module 42 is specifically configured to determine a first storage address according to the first write instruction; a first thermal value of the first memory address is determined based on the first memory address.
Further, on the basis of the above embodiment, the first write command includes a start address of data to be written and a length of the data;
a processing module 42, configured to determine, according to the start address of the data and the length of the read/write data, a page unit address of a logical page unit in the storage medium to be written with the data; determining a first thermal value of the logical page unit according to the page unit address.
On the basis of the foregoing embodiment, the processing module 42 is further configured to add the page unit address to a position of a head of a chain in a hot weight value linked list, where the hot weight value linked list includes a plurality of subsections, each subsection corresponds to a hot weight value, and each subsection includes information of a logical page unit operated by each operation instruction, where the hot weight value linked list includes a head of the chain and a tail of the chain; and adding and summing the heat weight values corresponding to each page unit address in the heat weight value linked list to obtain a first heat value.
Further, on the basis of the foregoing embodiment, the processing module 42 is further configured to delete the page unit address stored in the chain tail of the hot weight linked list; and moving the page unit address which is not deleted in the hot weight value linked list to the position of the tail of the link by one node.
Fig. 5 is a schematic structural diagram of another data processing apparatus according to an embodiment of the present invention. As shown in fig. 5, the data processing apparatus further includes: a sending module 44; the sending module 44 is configured to send information of the second storage address to the operating system.
Therefore, data with close heat value are stored in the same physical block, the garbage recycling efficiency of the system is improved, the use reliability of each physical block is improved, and the loss of the storage system is reduced.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus embodiment, since it is substantially similar to the method embodiment, it is relatively simple to describe, and reference may be made to some descriptions of the method embodiment for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The units of the above embodiments may be combined into one unit, or may be further split into a plurality of sub-modules. The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present invention or parts thereof that substantially contribute to the prior art may be embodied in the form of a software product stored on a storage medium and including instructions for causing a computer device
(which may be a personal computer, a server, or a network appliance, etc.) performs all or a portion of the steps of the methods described in the various embodiments of the invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A data processing method, comprising:
acquiring a first write-in instruction sent by an operating system, wherein the first write-in instruction is an instruction for preparing to write data into a storage medium, and the first write-in instruction carries the data;
determining a first heat value of a first storage address according to the first write instruction, wherein the first storage address is an address of the first write instruction for preparing to write the data into the storage medium, and the first heat value is used for identifying the frequency of operating the first storage address;
writing the data into a second storage address of the storage medium according to the first heat value, wherein the first heat value is in a range of a second heat value corresponding to the second storage address;
the first writing instruction comprises a starting address of the data to be written and the length of the data; the determining a first thermal value of a first memory address according to the first write instruction includes:
determining a page unit address for preparing to write the data into a logical page unit in the storage medium according to the starting address of the data and the length of the data;
determining a first thermal value of the logical page unit according to the page unit address;
wherein said determining a first thermal value of the logical page unit according to the page unit address comprises:
adding the page unit address to the position of a chain head in a heat weight value linked list, wherein the heat weight value linked list comprises a plurality of subsections, each subsection corresponds to a heat weight value, each subsection comprises information of a logic page unit operated by each operation instruction, and the heat weight value linked list comprises the chain head and the chain tail;
and summing the heat weight values corresponding to each page unit address in the heat weight value linked list to obtain the first heat value.
2. The method of claim 1, wherein determining a first thermal value for a memory address according to the first write instruction comprises:
determining the first storage address according to the first write instruction;
and determining a first heat value of the first storage address according to the first storage address.
3. The method according to claim 1 or 2, wherein the adding the page unit address before the position of the head of the chain in the hot weight linked list further comprises:
deleting the page unit address stored in the chain tail in the hot weight value linked list;
and moving the page unit address which is not deleted in the hot weight linked list to the position of the chain tail by a node.
4. The method of claim 2, wherein after writing the data to a second memory address according to the first heating value, further comprising:
and sending the information of the second storage address to the operating system.
5. The method of claim 3, wherein after writing the data to the second memory address according to the first heating value, further comprising:
and sending the information of the second storage address to the operating system.
6. A data processing apparatus, comprising:
the device comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring a first write-in instruction sent by an operating system, the first write-in instruction is an instruction for preparing to write data into a storage medium, and the first write-in instruction carries the data;
the processing module is used for determining a first heat value of a first storage address according to the first write instruction, wherein the first storage address is an address for preparing to write the data into the storage medium by the first write instruction, and the first heat value is used for identifying the frequency of operating the first storage address;
a writing module, configured to write the data into a second storage address of the storage medium according to the first heat value, where the first heat value is within a range of a second heat value corresponding to the second storage address;
the first writing instruction comprises a starting address of the data to be written and the length of the data; the processing module is specifically configured to determine, according to the start address of the data and the length of the data, a page unit address of a logical page unit in the storage medium to be ready to write the data; determining a first thermal value of the logical page unit according to the page unit address;
the processing module is further configured to add the page unit address to a position of a head of a chain in a heat weight linked list, where the heat weight linked list includes a plurality of subsections, each subsection corresponds to a heat weight, and each subsection includes information of a logical page unit operated by each operation instruction, where the heat weight linked list includes the head of the chain and a tail of the chain; and summing the heat weight values corresponding to each page unit address in the heat weight value linked list to obtain the first heat value.
7. The apparatus according to claim 6, wherein the processing module is specifically configured to determine the first storage address according to the first write command; and determining a first heat value of the first storage address according to the first storage address.
8. The apparatus according to claim 6 or 7, wherein the processing module is further configured to delete the page unit address stored in the tail of the chain stored in the hot weight linked list; and moving the page unit address which is not deleted in the hot weight linked list to the position of the chain tail by a node.
9. The apparatus of claim 6 or 7, further comprising: a sending module;
and the sending module is used for sending the information of the second storage address to the operating system.
10. The apparatus of claim 8, further comprising: a sending module;
and the sending module is used for sending the information of the second storage address to the operating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598402.1A CN103645991B (en) | 2013-11-22 | 2013-11-22 | Data processing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598402.1A CN103645991B (en) | 2013-11-22 | 2013-11-22 | Data processing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103645991A CN103645991A (en) | 2014-03-19 |
| CN103645991B true CN103645991B (en) | 2017-02-15 |
Family
ID=50251212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310598402.1A Active CN103645991B (en) | 2013-11-22 | 2013-11-22 | Data processing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103645991B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067800A (en) * | 2007-07-05 | 2007-11-07 | 炬力集成电路设计有限公司 | Memory deterioration balance method based on local sampling |
| CN101398749A (en) * | 2008-11-13 | 2009-04-01 | 成都市华为赛门铁克科技有限公司 | Static state attrition balancing method, device and system |
| TW200943059A (en) * | 2008-04-09 | 2009-10-16 | Skymedi Corp | Method of wear leveling for non-volatile memory |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120023144A1 (en) * | 2010-07-21 | 2012-01-26 | Seagate Technology Llc | Managing Wear in Flash Memory |
-
2013
- 2013-11-22 CN CN201310598402.1A patent/CN103645991B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067800A (en) * | 2007-07-05 | 2007-11-07 | 炬力集成电路设计有限公司 | Memory deterioration balance method based on local sampling |
| TW200943059A (en) * | 2008-04-09 | 2009-10-16 | Skymedi Corp | Method of wear leveling for non-volatile memory |
| CN101398749A (en) * | 2008-11-13 | 2009-04-01 | 成都市华为赛门铁克科技有限公司 | Static state attrition balancing method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103645991A (en) | 2014-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107481762B (en) | Trim processing method and device of solid state disk | |
| CN109376123B (en) | Method for managing files, distributed storage system and management node | |
| KR102060736B1 (en) | Method for storing data by storage device and storage device | |
| TWI603194B (en) | Data storage device and data accessing method | |
| US20200183831A1 (en) | Storage system and system garbage collection method | |
| EP2665065A2 (en) | Electronic device employing flash memory | |
| CN104636266B (en) | Cover tile magnetic recording hard disk, cover tile magnetic recording hard disk write method and the device of data | |
| TW201539187A (en) | Flash memory compression | |
| CN113296696A (en) | Data access method, computing device and storage medium | |
| EP3196767A1 (en) | Method for writing data into flash memory device, flash memory device and storage system | |
| CN103984641A (en) | Storage space recycling method and storage space recycling device based on thin provisioning technology | |
| CN106873908A (en) | Date storage method and device | |
| US20240143219A1 (en) | Software-hardware combination method for internal mapping address query of zoned namespace | |
| JP2017501489A (en) | Controller, flash memory device, method for identifying data block stability, and method for storing data in flash memory device | |
| CN107135662A (en) | A kind of variance data backup method, storage system and variance data back-up device | |
| CN107273306B (en) | Data reading and writing method for solid state disk and solid state disk | |
| CN104572492A (en) | Method and apparatus of burning data to FAT (File Allocation Table)32 partition | |
| US9524236B1 (en) | Systems and methods for performing memory management based on data access properties | |
| CN103645991B (en) | Data processing method and device | |
| EP2381354A2 (en) | Data recording device | |
| CN110990301A (en) | Sequential reading method of multi-plane storage medium and related device | |
| CN115994101A (en) | Flash memory device and data management method thereof | |
| CN103354926B (en) | Memory controller | |
| US20210271389A1 (en) | Method and apparatus for deleting index in internal memory | |
| CN114185849A (en) | File operation method, file operation system, electronic device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |