CN108509568A - A kind of data storage and management method and device - Google Patents
A kind of data storage and management method and device Download PDFInfo
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- CN108509568A CN108509568A CN201810252871.0A CN201810252871A CN108509568A CN 108509568 A CN108509568 A CN 108509568A CN 201810252871 A CN201810252871 A CN 201810252871A CN 108509568 A CN108509568 A CN 108509568A
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Abstract
The embodiment of the invention discloses a kind of data storage and management method and devices, it is intended to save the space of storage device and not lose the efficiency of total system.Present invention method includes:Create compressed and decompressed module and data processing module;Compression opportunity and the mode of data to be compressed are determined according to the data processing module, or determine decompression opportunity and the mode of data to be decompressed;Based on the compression opportunity and mode, the data to be compressed are compressed by the compressed and decompressed module, or are based on the decompression opportunity and mode, the data to be decompressed are compressed by the compressed and decompressed module.
Description
Technical field
The present invention relates to data processing field more particularly to a kind of data storage and management methods and device.
Background technology
Storage device be for storing up stored equipment, typically by after information digitalization again with using electricity, magnetically or optically
Etc. the media of modes stored.Storage device can store uncompressed data, can also store the data through overcompression.
When storage device storage be the data through overcompression when, if system need read storage device data, system need
Reading order is assigned by CPU, then the data of storage device, which are done decompression, to allow system to use.In addition, system must also incite somebody to action
It can be stored in storage device after data compression, it is also necessary to go to assign compressed data order by CPU and again write compressed data
Enter in storage device.Although the memory space in storage device can be saved, what is brought is to spend more times CPU's
Decompression, thus CPU must more busy (also to be done other than general system requirement to be done additional data decompression action),
Therefore more power-consuming.
Invention content
An embodiment of the present invention provides a kind of data storage and management method and device, it is intended to save the space of storage device
The efficiency of total system is not lost again.
The first aspect of the embodiment of the present invention provides a kind of data storage and management method, including:
Create compressed and decompressed module and data processing module;
Compression opportunity and the mode of data to be compressed are determined according to the data processing module, or determine number to be decompressed
According to decompression opportunity and mode;
Based on the compression opportunity and mode, the data to be compressed are pressed by the compressed and decompressed module
Contracting, or it is based on the decompression opportunity and mode, the data to be decompressed are decompressed by the compressed and decompressed module.
Optionally, the data to be compressed are the archives in storage device, described true according to the data processing module
The compression opportunity of fixed data to be compressed and mode include:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is more than
The operation period, it is determined that the archives will be compressed and restore compressed archives.
Optionally, the data to be decompressed are the archives in storage device, described true according to the data processing module
Surely the decompression opportunity of data to be decompressed and mode include:
When the archives in the storage device are read out, the updated system read-write time is determined;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
Optionally, the determination, which will decompress the archives and be sent to host, further includes later:
Archives after decompression are restored.
Optionally, the data to be decompressed are the archives in storage device, described true according to the data processing module
Surely the decompression opportunity of data to be decompressed and mode include:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than
The operation period, and the archives in the storage device have compressed, it is determined that the storage will be decompressed in the system free time to be set
Archives in standby are simultaneously restored.
Second aspect of the embodiment of the present invention provides a kind of data storage management device, including:
Creating unit, for creating compressed and decompressed module and data processing module;
Determination unit, the compression opportunity for determining data to be compressed according to the data processing module and mode, or
Determine decompression opportunity and the mode of data to be decompressed;
Processing unit waits pressing by the compressed and decompressed module for being based on the compression opportunity and mode to described
The data of contracting are compressed, or are based on the decompression opportunity and mode, wait decompressing to described by the compressed and decompressed module
Data decompressed.
Optionally, the data to be compressed are the archives in storage device, and the determination unit is specifically used for setting institute
State data processing module operation period;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is more than
The operation period, it is determined that the archives will be compressed and restore compressed archives.
Optionally, the data to be decompressed are the archives in storage device, and the determination unit is specifically used for when described
Archives in storage device are read out, and determine the updated system read-write time;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
Optionally, further include:
Unit is restored, for restoring the archives after decompression.
Optionally, the data to be decompressed are the archives in storage device, and the determination unit is specifically used for setting institute
State data processing module operation period;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than
The operation period, and the archives in the storage device have compressed, it is determined that the storage will be decompressed in the system free time to be set
Archives in standby are simultaneously restored.
The third aspect of the embodiment of the present invention provides a kind of electronic equipment, including at least one processor;
And the memory being connect at least one processor communication;
Wherein, the memory is stored with the instruction repertorie that can be executed by least one processor, described instruction journey
Sequence is executed by least one processor, so that at least one processor is able to carry out method as described above.
Fourth aspect of the embodiment of the present invention provides a kind of computer program production used in data storage management device
Product, the computer program product include any functional unit as above.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:Create compressed and decompressed module with
And data processing module;Determine that compression opportunity and the mode of data to be compressed, or determination are waited for according to the data processing module
The decompression opportunity of the data of decompression and mode;Based on the compression opportunity and mode, by the compressed and decompressed module to institute
It states data to be compressed to be compressed, or is based on the decompression opportunity and mode, by the compressed and decompressed module to described
Data to be decompressed are decompressed.The efficiency of total system is not lost again in space so as to save storage device.
Description of the drawings
Fig. 1-1 is a kind of existing compression processing Organization Chart to data;
Fig. 1-2 is a kind of existing decompression Organization Chart to data;
Fig. 2-1 is a kind of compression processing Organization Chart to data provided in an embodiment of the present invention;
Fig. 2-2 is a kind of decompression Organization Chart to data provided in an embodiment of the present invention;
Fig. 3 is data storage and management method one embodiment schematic diagram in the embodiment of the present invention;
Fig. 4 is data storage management device one embodiment schematic diagram in the embodiment of the present invention;
Fig. 5 is electronic equipment one embodiment schematic diagram in the embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of data storage and management method and devices.The space of storage device can be saved again
The efficiency of total system is not lost.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Term " first " in description and claims of this specification and above-mentioned attached drawing, " second " are for distinguishing class
As object, without being used to describe specific sequence or precedence.It should be appreciated that the data used in this way are in appropriate situation
Under can be interchanged, so that the embodiments described herein can be real with the sequence other than the content for illustrating or describing herein
It applies.In addition, term " comprising " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, packet
Contained series of steps or unit process, method, system, product or equipment those of be not necessarily limited to clearly to list step or
Unit, but may include not listing clearly or for the intrinsic other steps of these processes, method, product or equipment or
Unit.
Fig. 1-1 show the existing compression processing Organization Chart to data.Side in compressing data generally use Fig. 1-1
Uncompressed data are passed to equipment (device) and are pressed via the CPU or DSP of device by formula 1 and mode 2, i.e. host (host)
Contracting, then will be compressed after data write-in memory (storage), or will be compressed after data write-in
Memory (memory) in device, then storage is written by storage control.Either (Fig. 1-1 does not show) via
Directly storage is written by storage control in data after host cpu compression processings.Similarly, Fig. 1-2 show existing
The decompression Organization Chart to data, to the mode 3 and mode 4 in data decompression generally use Fig. 1-2, i.e.,
Compressed data in storage is decompressed by the CPU or DSP of device, then will be decompressed after data be sent to host,
The memory in data write-in device after either will be compressed, then by the CPU or DSP decompressions in device, then will solution
Data after pressing through are sent to host.Either the compressed data of storage is directly sent to host by (Fig. 1-2 does not show), then by
The CPU processing decompressions of host.
The existing compression & decompression processing framework to data relies on CPU and handles data, can expend a large amount of CPU moneys
Source.This programme introduces the mode of specific responsibility arithmetic hardware core to handle compression & decompression, with offloading the CPU as a result,.This
Scheme introduces two specific responsibility arithmetic hardware cores, for ease of description, being respectively designated as compressed and decompressed module and data processing
Module, wherein compressed and decompressed module is used for compression and decompression, and data processing module is for determining compression and decompression opportunity
And mode.Shown in Fig. 1-1 and Fig. 1-2 on the basis of Organization Chart, this programme introduces at compressed and decompressed module and data
Module is managed, the decompression to data shown in the compression processing Organization Chart and Fig. 2-2 shown in Fig. 2-1 to data is obtained
Organization Chart.In Fig. 2-1, mode 1 and mode 2 are hardware-compressed data modes, and mode 1 is uncompressed in reading storage device
Data are temporarily stored into DDR, then are compressed by compressed and decompressed module.Mode 2 is then not via the temporary of DDR and directly by pressing
Contracting decompression module is compressed.In Fig. 2-2, mode 3 is the restoring that hardware restores data after data mode either decompresses,
Data compression or decompression are namely restored to the mode to storage device later.Mode 4 is then not via the temporary of DDR
And directly restore storage device.
The data storage and management method of the present invention is illustrated below by specific embodiment:
With reference to Fig. 3, proposes one embodiment of data storage and management method of the present invention, the described method comprises the following steps:
S11, compressed and decompressed module and data processing module are created;
S12, the compression opportunity that data to be compressed are determined according to the data processing module and mode, or determination wait decompressing
Data decompression opportunity and mode;
S13, be based on the compression opportunity and mode, by the compressed and decompressed module to the data to be compressed into
Row compression, or it is based on the decompression opportunity and mode, the data to be decompressed are carried out by the compressed and decompressed module
Decompression.
In step S11, on the basis of Organization Chart shown in Fig. 1, this programme introduces compressed and decompressed module and data
Processing module obtains the compression & decompression processing framework figure shown in Fig. 2 to data.Wherein, compressed and decompressed module is used for
Compression and decompression, data processing module is for determining compression and decompression opportunity and mode.
In some possible embodiments, the data to be compressed are the archives in storage device, described in the basis
Data processing module determines that the compression opportunity of data to be compressed and mode include:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is more than
The operation period, it is determined that the archives will be compressed and restore compressed archives.
Specifically, user can set a time (assuming that setting time is one week), i.e., above-mentioned data processing module
Operation period be one week, device can utilize system time or built in timer be monitored, work as system time
Or timer has arrived the week age of user's setting, data processing module will be operated using system idle time.From
File index is read in storage device, and the last system read-write time recorded in file index is compared with current time
Compared with if the time of system record is more than one week (user's setting), that indicates the archives to be of little use, then the archives will be by
Compression is then restored to save the space of storage device.If the time of system record is less than one week, return continues waiting for
The step of file index is read from storage device.
In some possible embodiments, the data to be decompressed are the archives in storage device, described in the basis
Data processing module determines that the decompression opportunity of data to be decompressed and mode include:
When the archives in the storage device are read out, the updated system read-write time is determined;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
Further, the determination, which will decompress the archives and be sent to host, further includes later:
Archives after decompression are restored.
In some possible embodiments, the data to be decompressed are the archives in storage device, described in the basis
Data processing module determines that the decompression opportunity of data to be decompressed and mode include:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than
The operation period, and the archives in the storage device have compressed, it is determined that the storage will be decompressed in the system free time to be set
Archives in standby are simultaneously restored.
Specifically, present solution provides two ways is decompressed and is restored to the archives in storage device, mode 1,
When host is in the archives in reading storage device, system can the last access time of more new system, while device also can root
According to judging whether the archives have been compressed in the record sheet of device, if it is compressed data, then the archives will be sent to compression
Decompression module carries out decompression and is then delivered to the ends host while the data of decompression are also carried out restoring and replace, with it is sharp next time be
System uses.
Mode 2, mode 2 is with mode 1 the difference is that reading compressed archives returning without decompression in host
It deposits, can thus save while time for restoring is with the quick reading data of sharp host, and the opportunity restored can pass through
As under type determines:User can set the time (assuming that setting time is one week), i.e., above-mentioned data processing module
Operation period is one week, device can utilize system time or built in timer be monitored, when system time or
Timer has arrived the week age of user's setting, and data processing module will be operated using system idle time.From depositing
File index is read in storage equipment, the last system read-write time recorded in file index is compared with current time
Compared with if the time of system record is less than one week (user's setting), that indicates that the archives are to be read recently, it is possible to
Host can read the shelves again, so if this document is that compressed data, device will have been solved in system idle
Then pressure restores substitution with the reading of sharp host next times.
In the present embodiment, compressed and decompressed module and data processing module are created;It is true according to the data processing module
The compression opportunity of fixed data to be compressed and mode, or determine decompression opportunity and the mode of data to be decompressed;Based on the pressure
Contracting opportunity and mode compress the data to be compressed by the compressed and decompressed module, or are based on the decompression
Opportunity and mode decompress the data to be decompressed by the compressed and decompressed module.So as to save storage
The efficiency of total system is not lost again in the space of device.
The embodiment of the present invention additionally provides a kind of data storage management device, as shown in figure 4, the data storage management device
Including:
Creating unit 10, for creating compressed and decompressed module and data processing module;
Determination unit 20, the compression opportunity for determining data to be compressed according to the data processing module and mode,
Or determine decompression opportunity and the mode of data to be decompressed;
Processing unit 30 is waited for by the compressed and decompressed module described for being based on the compression opportunity and mode
The data of compression are compressed, or are based on the decompression opportunity and mode, wait solving to described by the compressed and decompressed module
The data of pressure are decompressed.
Further, the data to be compressed are the archives in storage device, and the determination unit 20 is specifically used for setting
Set the data processing module operation period;When the data processing module operates, archives are read from the storage device
Index;If the absolute difference of the last system read-write time and current time recorded in the file index is more than described
Operation period, it is determined that the archives will be compressed and restore compressed archives.
Further, the data to be decompressed are the archives in storage device, and the determination unit 20 is specifically used for working as
Archives in the storage device are read out, and determine the updated system read-write time;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
Further, further include:
Unit is restored, for restoring the archives after decompression.
Further, the data to be decompressed are the archives in storage device, and the determination unit 20 is specifically used for setting
Set the data processing module operation period;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than
The operation period, and the archives in the storage device have compressed, it is determined that the storage will be decompressed in the system free time to be set
Archives in standby are simultaneously restored.
In the present embodiment, user can set a time (assuming that setting time is one week), i.e., above-mentioned data processing
The operation period of module is one week, and device can be monitored using the either built-in timer of system time, work as system
Time or timer have arrived the week age of user's setting, and data processing module will be transported using system idle time
Make.File index is read from storage device, by recorded in file index the last system read-write time and current time
It is compared, if the time of system record is more than one week (user's setting), that indicates that the archives are to be of little use, then the archives
It will be compressed and then be restored to save the space of storage device.If system record time be less than one week, return after
It is continuous to wait for the step of file index is read from storage device.
Present solution provides two ways to be decompressed and be restored to the archives in storage device, mode 1, when host exists
When reading the archives in storage device, system can the last access time of more new system, while device also can be according to device
Record sheet in judge whether the archives are compressed, if it is compressed data, then the archives will be sent to compressed and decompressed mould
Block carries out decompressing to be then delivered to the ends host while the data of decompression are also carried out restoring replacing, and is used with the system of profit next time.
Mode 2, mode 2 is with mode 1 the difference is that reading compressed archives returning without decompression in host
It deposits, can thus save while time for restoring is with the quick reading data of sharp host, and the opportunity restored can pass through
As under type determines:User can set the time (assuming that setting time is one week), i.e., above-mentioned data processing module
Operation period is one week, device can utilize system time or built in timer be monitored, when system time or
Timer has arrived the week age of user's setting, and data processing module will be operated using system idle time.From depositing
File index is read in storage equipment, the last system read-write time recorded in file index is compared with current time
Compared with if the time of system record is less than one week (user's setting), that indicates that the archives are to be read recently, it is possible to
Host can read the shelves again, so if this document is that compressed data, device will have been solved in system idle
Then pressure restores substitution with the reading of sharp host next times.
In the present embodiment, creating unit 10 creates compressed and decompressed module and data processing module;Determination unit 20
Compression opportunity and the mode of data to be compressed are determined according to the data processing module, or are determined when the decompression of the data decompressed
Machine and mode;Processing unit 30 is based on the compression opportunity and mode, by the compressed and decompressed module to described to be compressed
Data compressed, or be based on the decompression opportunity and mode, by the compressed and decompressed module to described to be decompressed
Data are decompressed.The efficiency of total system is not lost again in space so as to save storage device.
Fig. 5 is the hardware architecture diagram of electronic equipment provided by the embodiments of the present application, which includes:It is one or more
Processor 301 and memory 302.In Fig. 5 for one.Wherein, processor 301 and memory 302 can be by total
Line or other modes connect, in Fig. 5 for being connected by bus.
Memory 302 is used as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Sequence, non-volatile computer executable program and module, such as the corresponding journey of data storage management device in the embodiment of the present invention
Sequence instruction/module.Processor 301 is by running non-volatile software program, instruction and the mould of storage in the memory 302
Block, the various function application to execute server and data processing, that is, realize data storage tube in above method embodiment
Manage device.
Memory 302 may include storing program area and storage data field, wherein storing program area can store operation system
System, the required application program of at least one function;Storage data field can be stored uses institute according to data storage management device
The data etc. of establishment.In addition, memory 302 may include high-speed random access memory, can also include non-volatile memories
Device, for example, at least a disk memory, flush memory device or other non-volatile solid state memory parts.In some embodiments
In, it includes the memory remotely located relative to processor 301 that memory 302 is optional, these remote memories can pass through net
Network is connected to data storage management device.The example of above-mentioned network include but not limited to internet, intranet, LAN,
Mobile radio communication and combinations thereof.
Above-mentioned electronic equipment can perform the device or method that the embodiment of the present application is provided, and has and executes the device or method
Corresponding function module and advantageous effect.The not technical detail of detailed description in the present embodiment, reference can be made to the embodiment of the present application
The device or method provided.
Also, system embodiment described above is only schematical, illustrates as separating component wherein described
Unit may or may not be physically separated, and the component shown as unit may or may not be object
Manage unit, you can be located at a place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of module therein is selected to achieve the purpose of the solution of this embodiment.
Through the above description of the embodiments, those of ordinary skill in the art can be understood that each embodiment
The mode of general hardware platform can be added to realize by software, naturally it is also possible to pass through hardware.Based on this understanding, of the invention
Technical solution substantially all or part of the part that contributes to existing technology or the technical solution can be in other words
It is expressed in the form of software products, which is stored in a storage medium, including some instructions are used
So that a computer equipment (can be personal computer, server or the network equipment etc.) executes each reality of the present invention
Apply all or part of step of the method.And storage medium above-mentioned includes:USB flash disk, mobile hard disk, read-only memory
(Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD
Etc. the various media that can store program code.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that:It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features;And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of data storage and management method, which is characterized in that including:
Create compressed and decompressed module and data processing module;
Compression opportunity and the mode of data to be compressed are determined according to the data processing module, or determine data to be decompressed
Decompression opportunity and mode;
Based on the compression opportunity and mode, the data to be compressed are compressed by the compressed and decompressed module,
Or it is based on the decompression opportunity and mode, the data to be decompressed are decompressed by the compressed and decompressed module.
2. the method as described in claim 1, which is characterized in that the data to be compressed are the archives in storage device, institute
It states and determines that the compression opportunity of data to be compressed and mode include according to the data processing module:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is more than described
Operation period, it is determined that the archives will be compressed and restore compressed archives.
3. the method as described in claim 1, which is characterized in that the data to be decompressed are the archives in storage device, institute
It states and determines that the decompression opportunity of data to be decompressed and mode include according to the data processing module:
When the archives in the storage device are read out, the updated system read-write time is determined;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
4. method as claimed in claim 3, which is characterized in that the determination will decompress the archives and be sent to after host
Further include:
Archives after decompression are restored.
5. the method as described in claim 1, which is characterized in that the data to be decompressed are the archives in storage device, institute
It states and determines that the decompression opportunity of data to be decompressed and mode include according to the data processing module:
The data processing module operation period is set;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than described
Operation period, and the archives in the storage device have compressed, it is determined that it will be decompressed in the system free time in the storage device
Archives and restored.
6. a kind of data storage management device, which is characterized in that including:
Creating unit, for creating compressed and decompressed module and data processing module;
Determination unit, the compression opportunity for determining data to be compressed according to the data processing module and mode, or determine
The decompression opportunity of data to be decompressed and mode;
Processing unit, for being based on the compression opportunity and mode, by the compressed and decompressed module to described to be compressed
Data are compressed, or are based on the decompression opportunity and mode, by the compressed and decompressed module to the number to be decompressed
According to being decompressed.
7. device as claimed in claim 6, which is characterized in that the data to be compressed are the archives in storage device, institute
Determination unit is stated to be specifically used for that the data processing module operation period is arranged;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is more than described
Operation period, it is determined that the archives will be compressed and restore compressed archives.
8. device as claimed in claim 6, which is characterized in that the data to be decompressed are the archives in storage device, institute
It states determination unit to be specifically used for being read out when the archives in the storage device, determines the updated system read-write time;
If the archives in the storage device have compressed, it is determined that the archives will be decompressed and be sent to host.
9. device as claimed in claim 8, which is characterized in that further include:
Unit is restored, for restoring the archives after decompression.
10. device as claimed in claim 6, which is characterized in that the data to be decompressed are the archives in storage device, institute
Determination unit is stated to be specifically used for that the data processing module operation period is arranged;
When the data processing module operates, file index is read from the storage device;
If the absolute difference of the last system read-write time and current time recorded in the file index is less than described
Operation period, and the archives in the storage device have compressed, it is determined that it will be decompressed in the system free time in the storage device
Archives and restored.
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CN111523282A (en) * | 2020-05-07 | 2020-08-11 | 深圳探科技术有限公司 | Method, module, storage medium and system for data processing in integrated circuit simulation |
CN114461589A (en) * | 2021-08-24 | 2022-05-10 | 荣耀终端有限公司 | Method for reading compressed file, file system and electronic equipment |
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