CN111506260A - Data processing method, device, equipment and machine-readable storage medium - Google Patents
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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
- G06F3/0608—Saving storage space on storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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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
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Abstract
The present disclosure provides a data processing method, apparatus, device and machine-readable storage medium, the method comprising: saving the first data: judging whether third data which is the same as the first data exists in the second data stored locally; if yes, fourth data different from the second data in the first data is stored; if not, storing the first data; reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out. Through the technical scheme, differential storage is carried out when data are stored, combined reading is carried out when data are read, the occupied space of the storage medium is effectively saved on the premise that the completeness of the data is guaranteed, and the storage performance of the storage medium is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a data processing method, apparatus, device, and machine-readable storage medium.
Background
BIOS, Basic Input Output System, i.e. Basic Input Output System. It is a set of programs solidified on a ROM chip on the internal mainboard of computer, it stores the most important basic input and output program of computer, self-checking program after starting up and system self-starting program, it can read and write the specific information set by system from CMOS.
Disclosure of Invention
The disclosure provides a data processing method and device, an electronic device and a machine-readable storage medium, so as to solve the problem that data cannot be stored.
The technical scheme of the disclosure is as follows:
the present disclosure provides a data processing method, the method comprising: saving the first data: judging whether third data which is the same as the first data exists in the second data stored locally; if yes, fourth data different from the second data in the first data is stored; if not, storing the first data; reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
In one embodiment, saving the first data includes: and decomposing the first data into third data and fifth data for storage, wherein the third data is attribute data of the first data.
In one embodiment, the data carries a group identifier for identifying the data attribute.
In one embodiment, the determining whether there is third data that is the same as the first data in the locally stored second data includes: judging whether the locally stored group identification has an identification which is the same as the group identification carried in the first data; if so, in the data corresponding to the same identification, saving the data different from the third data in the first data as fourth data; if not, the first data is saved.
The present disclosure also provides a data processing apparatus, the apparatus comprising: the judging module is used for judging whether third data which is the same as the first data exists in the second data stored locally; the storage module is used for storing data according to the judgment result of the judgment module: if the judgment result is yes, fourth data different from the second data in the first data is stored; if the judgment result is not, storing the first data; a reading module for reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
In one embodiment, when saving the first data, the saving module decomposes the first data into third data and fifth data for saving, where the third data is attribute data of the first data.
In one embodiment, the data carries a group identifier for identifying data attributes; the judging module is used for judging whether the locally stored group identifier has an identifier which is the same as the group identifier carried in the first data; the storage module is used for storing data, which is different from the third data, in the first data as fourth data in the data corresponding to the same identifier when the judgment result of the judgment module is yes; and the first data is saved when the judgment result is yes.
The present disclosure also provides an electronic device, including: a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor to perform the method of any one of the above.
The present disclosure also provides a machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement any of the methods described above.
The technical scheme provided by the disclosure at least brings the following beneficial effects:
through the technical scheme, differential storage is carried out when data are stored, combined reading is carried out when data are read, the occupied space of the storage medium is effectively saved on the premise that the completeness of the data is guaranteed, and the storage performance of the storage medium is improved.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present disclosure or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present disclosure, and other drawings can be obtained by those skilled in the art according to the drawings of the embodiments of the present disclosure.
FIG. 1 is a flow diagram of a data processing method in one embodiment of the present disclosure;
FIG. 2 is a block diagram of a data processing device in one embodiment of the present disclosure;
fig. 3 is a hardware configuration diagram of an electronic device according to the present disclosure.
Detailed Description
The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein is meant to encompass any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. Depending on the context, moreover, the word "if" as used may be interpreted as "at … …" or "when … …" or "in response to a determination".
Referring to fig. 1, the present disclosure provides a data processing method, including:
step 101: saving the first data: judging whether third data which is the same as the first data exists in the second data stored locally; if yes, fourth data different from the second data in the first data is stored; if not, storing the first data;
step 102: reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
In one embodiment, the data of the same device may have similarity points, and thus, the same part may be distinguished from different parts. If the device generates a new data, the data is saved as the second data. If the device generates a new data, the new data is stored as the first data; when the first data is saved, the first data may be compared with second data saved locally, if there is the same portion, the same portion is used as third data, and if there is a different portion as fourth data, when the first data is saved, only the fourth data may be saved. And when the first data is read, combining the third data and the fourth data to obtain the first data, and reading out the first data.
In one embodiment, the second data and the fourth data may be combined to obtain the first data, that is, other data different from the fourth data in the second data is combined with the fourth data to obtain the first data, or the fourth data is used to replace corresponding data in the second data to obtain the first data.
In one embodiment, saving the first data includes: and decomposing the first data into third data and fifth data for storage, wherein the third data is attribute data of the first data. The data attributes of the same device are the same.
In one embodiment, the data carries a group identifier for identifying the data attribute. For example, for a CPU, the label is 1, and for a DIMM, the label is 2.
In one embodiment, the determining whether there is third data that is the same as the first data in the locally stored second data includes: judging whether the locally stored group identification has an identification which is the same as the group identification carried in the first data; if so, in the data corresponding to the same identification, saving the data different from the third data in the first data as fourth data; if not, the first data is saved.
And the saved second data comprises group identification, third data corresponding to the data attributes and sixth data reflecting data differentiation. The first data which needs to be stored can be decomposed into group identification, third data corresponding to data attributes and fifth data reflecting data differentiation. In one embodiment, the third data may include a group identification. When the first data is read out, the third data and the fifth data may be combined to obtain the first data read out. The third data and the sixth data may be combined to yield the first data read while the second data is read.
The embodiment of the present disclosure takes data storage of a server or a PC during the BIOS start-up process as an example.
In the BIOS starting process of the server or the PC, the memory is not initialized in the PEI stage in the early stage of starting, so that no memory can be used. At this time, the Cache in the CPU is used As a memory (Cache As Ram, denoted As CAR), and in the PEI phase, the CPU, the DIMM, the IIO, the UPI, and the like are initialized, and a series of data are generated in the process, and need to be stored and used in the later DXE phase.
For each device (CPU, DIMM, IIO, UPI, etc.), a HOB (Hand-Off Block) is established to store initialization data and added to HOB L IST.
The System comprises a first stage of UEFI (UEFI), an Extensible Firmware Interface (EFI), a Unified Extensible Firmware Interface (UEFI), a second stage of UEFI (UEFI), a third stage of UEFI (PreI Initialization, EFI early stage Initialization), an Extensible Firmware Interface (EFI), a Unified extensible Firmware Interface (UNIFIED extensible Firmware Interface) and a fourth stage of UEFI, wherein the UEFI is the extensible Firmware Interface (UEFI), the Unified extensible Firmware Interface comprises SEC (Security Phase, Security verification), PEI, DXE (Driver Execution Environment), BDS (Boot Device Selection), TS L (TransientSystem L oad, operating System early stage loading).
However, the cache size is limited, for example, in the case of purley platform, Intel is about 2M, and AMD is only 128K similar to the platform.
In the PEI phase, a CPU, a DIMM, an IIO, a UPI and the like are initialized, a series of data is generated in the process and needs to be stored and used in a later DXE phase, in the process, HOB L IST is introduced into UEFI specification and serves as a bridge for transferring data, HOB L IST is created, updated and modified in the PEI phase, only a reading can be carried out and the modification cannot be carried out in the DXE phase, in the PEI phase, each CPU, DIMM, IIO and UPI creates a HOB and puts the HOB in a HOB L IST until all devices are initialized, and a series of HOB1, HOB2 and HOB3.
The number of the CPUs of the server is generally large, each CPU can support, for example, a Purley Intel platform, the maximum number of 12 DIMMs, 3 UPIs, and 48 PCIE L anes, the amount of data including the CPUs, DIMMs, IIOs, and UPIs will increase sharply as the number of the CPUs increases, and meanwhile, since the HOB is in the CAR, the HOB size is limited, for example, the Purley platform is 64K, in the actual use process, when the number of the CPUs exceeds 8, the HOB exceeds 64K, some data needs to be clipped, for example, some unnecessary data is discarded, for example, the memory attribute is large, if the CPU does not exist, only data needed by DXE and the following stages are retained, and such a processing mode will cause part of effective information to be discarded.
Because the HOB SIZE is smaller, the data generated by the PEI phase can increase along with the increase of the number of devices, and when the number of CPUs is larger, the HOB cannot store the data generated by the PEI phase.
In the embodiment of the present disclosure, the data corresponding to the CPU, DIMM, IIO and UPI of the device may be identified, for example, a0, a1, a2 and a3 correspond to the data of the CPU, DIMM, IIO and UPI generated in the initialization process, respectively.
Referring to Table 1, the DIMM data of the initialization CPU1 during the PEI phase is stored.
Step 1001, PEI phase initializes CPU1 data for the 1 st normal DIMM1 and stores in HOB 1;
step 1002, the PEI phase initializes the CPU1 data for the 2 nd normal DIMM2 and compares it to the DIMM1 data stored in the HOB1 to derive difference information, which is stored in the HOB 2. In deriving the difference information, the items in the data for DIMM2 are compared to the data corresponding to the corresponding items in the data for DIMM1. As shown in Table 1, DIMM is the device identifier, and the entries in HOB1 are: when storing HOB2, socket, channel, frequccy, voltage, numRanks, memBclk, … compares the item in the data of DIMM2 with the data corresponding to the corresponding item in the data of DIMM1, if the data of the socket in HOB1 is compared with the data of the socket in DIMM2 and the data are consistent, the data of the socket item is not stored in HOB 2; if the data of the frequency item in HOB1 is compared with the data of the frequency item in DIMM2 and an inconsistency is found, then the data of the frequency item of DIMM2 is saved in HOB 2; the comparative saving process of other items is similar and will not be described herein.
In the DEX reading stage, when data of DIMM1 is read, the data in HOB1 may be directly read. When reading data for DIMM2, data for HOB1 is read with data in HOB2 and the two are combined, namely: the data in HOB1 is replaced with the same data as the entry in HOB2 to obtain the data for DIMM 2. As shown in Table 1, the data for DIMM2 is obtained by replacing the data for frequency and numRanks in HOB1 with the data for items frequency and numRanks in HOB 2.
Table 1: the PEI phase initializes HOB tables in the DIMMs of the CPU 1.
In this way, storage is minimized and data is lossless, and when data is read in the PEI/DXE phase, the complete DIMMx full data can be obtained by first reading DIMM1 information and the needed DIMMx information.
L egacy BIOS is different from UEFI BIOS, which was the technology and specification adopted by earlier BIOS, and the current UEFI specification also requires L egacy BIOS to be compatible.
In another embodiment provided by the present disclosure, an SMBIOS table is a set of structured tables generated by collecting device information by BIOS in a server initialization system process, and is stored in a memory and provided for an operating system to use, it can be seen in the specification of SMBIOS that, for a system of L egacy BIOS, SMBIOS TAB L E is stored in 000F0000 h-000 fffffffffh, i.e. a memory location below 1M, and in actual use, once too many CPU/DIMM/PCIE/OEMINFO, for example, many high-end servers are 8 CPU, 96 DIMMs, and tens of PCIE devices, the area below 1M cannot store complete smbos information.
The disclosed embodiments can be applied to the storage space limited scene and the general storage scene, so as to effectively save the use condition of the storage space, and the disclosed embodiments are applicable to the scenes, such as HOB and RAM type volatile storage, and can also be used for F L ASH and ROM type nonvolatile storage.
In addition to the PEI phase, in the UEFI PEI phase and in the L egacy mode SMBIOS Table, the BIOS program runs in the 16-bit real mode, and the maximum addressing range in the real mode is 1M, and the like, when data is stored in these scenes, some common information exists in the data, and then, when data is stored and read, the data processing method of the embodiment of the present disclosure may be used to optimize data storage in the ways of differential storage and combined reading, so that the storage space is effectively utilized.
Referring to fig. 2, the present disclosure also provides a data processing apparatus, including:
the determining module 201 is configured to determine whether there is third data that is the same as the first data in the locally stored second data;
a saving module 202, configured to save data according to the determination result of the determining module: if the judgment result is yes, fourth data different from the second data in the first data is stored; if the judgment result is not, storing the first data;
a reading module 203, configured to read the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
In one embodiment, when saving the first data, the saving module decomposes the first data into third data and fifth data for saving, where the third data is attribute data of the first data.
In one embodiment, the data carries a group identifier for identifying data attributes; the judging module is used for judging whether the locally stored group identifier has an identifier which is the same as the group identifier carried in the first data; the storage module is used for storing data, which is different from the third data, in the first data as fourth data in the data corresponding to the same identifier when the judgment result of the judgment module is yes; and the first data is saved when the judgment result is yes.
In one embodiment, the present disclosure provides an electronic device, including a processor and a machine-readable storage medium, where the machine-readable storage medium stores machine-executable instructions executable by the processor, and the processor executes the machine-executable instructions to implement the foregoing method for obtaining a forwarding path, and from a hardware level, a schematic diagram of a hardware architecture may be as shown in fig. 3.
In one embodiment, the present disclosure provides a machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement the aforementioned method of obtaining a forwarding path.
Here, a machine-readable storage medium may be any electronic, magnetic, optical, or other physical storage device that can contain or store information such as executable instructions, data, and so forth. For example, the machine-readable storage medium may be: a RAM (random access Memory), a volatile Memory, a non-volatile Memory, a flash Memory, a storage drive (e.g., a hard drive), a solid state drive, any type of storage disk (e.g., an optical disk, a dvd, etc.), or similar storage medium, or a combination thereof.
The system, device, module or unit described in the above embodiments may be implemented by an acquisition machine chip or an entity, or implemented by a product with certain functions. A typical implementation device is an acquisition machine, which may be embodied in the form of a personal acquisition machine, a laptop acquisition machine, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email messaging device, a game console, a tablet acquisition machine, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the various elements may be implemented in the same one or more software and/or hardware implementations in practicing the disclosure.
The technical scheme provided by the disclosure at least brings the following beneficial effects:
through the technical scheme, differential storage is carried out when data are stored, combined reading is carried out when data are read, the occupied space of the storage medium is effectively saved on the premise that the completeness of the data is guaranteed, and the storage performance of the storage medium is improved.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These fetcher program instructions may be provided to a processor of a general purpose fetcher, special purpose fetcher, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the fetcher or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Furthermore, these harvester program instructions can also be stored in a harvester-readable memory that can direct a harvester or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the harvester-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These harvester program instructions may also be loaded onto a harvester or other programmable data processing apparatus to cause a series of operational steps to be performed on the harvester or other programmable apparatus to produce a harvester implemented process such that the instructions which execute on the harvester or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or acquisition machine program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of an acquirer program product embodied on one or more acquirer-usable storage media (which may include, but is not limited to, disk storage, CD-ROM, optical storage, etc.) that includes acquirer-usable program code.
The above description is only an embodiment of the present disclosure, and is not intended to limit the present disclosure. Various modifications and variations of this disclosure will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the scope of the claims of the present disclosure.
Claims (9)
1. A method of data processing, the method comprising:
saving the first data: judging whether third data which is the same as the first data exists in the second data stored locally; if yes, fourth data different from the second data in the first data is stored; if not, storing the first data;
reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
2. The method of claim 1,
saving first data, including: and decomposing the first data into third data and fifth data for storage, wherein the third data is attribute data of the first data.
3. The method of claim 2, wherein the data carries a group identifier for identifying the data attribute.
4. The method of claim 3, wherein determining whether there is third data in the second data stored locally that is the same as the first data comprises:
judging whether the locally stored group identification has an identification which is the same as the group identification carried in the first data;
if so, in the data corresponding to the same identification, saving the data different from the third data in the first data as fourth data;
if not, the first data is saved.
5. A data processing apparatus, characterized in that the apparatus comprises:
the judging module is used for judging whether third data which is the same as the first data exists in the second data stored locally;
the storage module is used for storing data according to the judgment result of the judgment module: if the judgment result is yes, fourth data different from the second data in the first data is stored; if the judgment result is not, storing the first data;
a reading module for reading the first data: if the third data and the fourth data exist, the third data and the fourth data are combined, and the first data are read; if there is no third data and no fourth data, the first data is read out.
6. The apparatus of claim 5, wherein: the storage module is used for decomposing the first data into third data and fifth data for storage when the first data is stored, wherein the third data is attribute data of the first data.
7. The apparatus of claim 6, wherein: the data carries a group identifier for identifying data attributes;
the judging module is used for judging whether the locally stored group identifier has an identifier which is the same as the group identifier carried in the first data;
the storage module is used for storing data, which is different from the third data, in the first data as fourth data in the data corresponding to the same identifier when the judgment result of the judgment module is yes; and the first data is saved when the judgment result is yes.
8. An electronic device, comprising: a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor to perform the method of any one of claims 1 to 4.
9. A machine-readable storage medium having stored thereon machine-executable instructions which, when invoked and executed by a processor, cause the processor to implement the method of any of claims 1-4.
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| CN108897863A (en) * | 2018-06-29 | 2018-11-27 | 联想(北京)有限公司 | Method of data synchronization and its system and server cluster |
| CN110727404A (en) * | 2019-09-27 | 2020-01-24 | 苏州浪潮智能科技有限公司 | Data deduplication method and device based on storage end and storage medium |
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