CN114327274A - Mapping table loading checking method and device based on solid state disk and computer equipment - Google Patents
Mapping table loading checking method and device based on solid state disk and computer equipment Download PDFInfo
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Abstract
The application relates to a mapping table loading checking method and device based on a solid state disk, a computer device and a storage medium, wherein the method comprises the following steps: acquiring a mapping table loading inspection request based on a solid state disk; after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism; in the hardware acceleration mechanism, adding all read-write commands to be checked into a queue to be checked; acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue; and after the command is checked, acquiring the next command from the queue to be checked and continuing checking until all the commands are checked. In the process of processing the read-write command by the SSD software, the invention adopts a hardware acceleration mechanism to check whether the mapping table is loaded or not, so that the processing of the read-write command and the checking of the mapping table are processed in parallel, and the read-write performance of the system is effectively improved.
Description
Technical Field
The invention relates to the technical field of storage systems, in particular to a mapping table loading checking method and device based on a solid state disk, computer equipment and a storage medium.
Background
With the development of Solid State Disk technology, SSD (Solid State Disk) has been widely used in various occasions, and has gradually replaced traditional HDD (Hard Disk Drive) in PC market, providing better experience for users from the aspects of reliability and performance.
At present, the consumer-grade SSD field is more and more competitive, the low-cost SSD can be active in the market, and the cost of flash memory and DRAM in one SSD is higher, so in order to reduce the cost, tlc (triple Level cell) flash memory plus DRAM-Level master control is widely adopted. However, because the space available for the cache mapping table is small, the DRAM-less SSD generally needs to check whether the required mapping table entry is loaded in response to the host read/write command, and the process of checking the mapping table affects the response to the host command, thereby affecting the read/write performance of the host.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a mapping table loading checking method and apparatus based on a solid state disk, a computer device, and a storage medium.
A mapping table loading checking method based on a solid state disk comprises the following steps:
acquiring a mapping table loading inspection request based on a solid state disk;
after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism;
in the hardware acceleration mechanism, adding all read-write commands to be checked into a queue to be checked;
acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue;
and after the command is checked, acquiring the next command from the queue to be checked and continuing checking until all the commands are checked.
In one embodiment, the method further comprises:
acquiring a checking result of a command from the result queue while checking whether a mapping table is loaded;
and judging whether a new checking result can be acquired or not.
In one embodiment, after the step of determining whether a new check result can be obtained, the method further includes:
and if the checking result of one command can be acquired, performing corresponding processing on the command.
In one embodiment, after the step of determining whether a new check result can be obtained, the method further includes:
and if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
A mapping table loading checking device based on a solid state disk, the device comprises:
the system comprises an acquisition module, a storage module and a control module, wherein the acquisition module is used for acquiring a mapping table loading check request based on a solid state disk;
the sending module is used for sending all read-write commands to be checked to the hardware acceleration mechanism after receiving the plurality of read-write commands;
the queue adding module adds all read-write commands to be checked into a queue to be checked in the hardware acceleration mechanism;
the checking module is used for acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not and putting a checking result into a result queue;
and the circulating module is used for acquiring the next command from the queue to be checked and continuing checking until all the commands are checked after the commands are checked.
In one embodiment, the apparatus further includes a determining module, configured to:
acquiring a checking result of a command from the result queue while checking whether a mapping table is loaded;
and judging whether a new checking result can be acquired or not.
In one embodiment, the determining module is further configured to:
and if the checking result of one command can be acquired, performing corresponding processing on the command.
In one embodiment, the determining module is further configured to:
and if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the above methods when executing the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of any of the methods described above.
The method, the device, the computer equipment and the storage medium for checking the loading of the mapping table based on the solid state disk acquire a request for checking the loading of the mapping table based on the solid state disk; after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism; in the hardware acceleration mechanism, adding all read-write commands to be checked into a queue to be checked; acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue; and after the command is checked, acquiring the next command from the queue to be checked and continuing checking until all the commands are checked. In the process of processing the read-write command by the SSD software, the invention adopts a hardware acceleration mechanism to check whether the mapping table is loaded or not, so that the processing of the read-write command and the checking of the mapping table are processed in parallel, and the read-write performance of the system is effectively improved.
Drawings
FIG. 1 is a flowchart illustrating a mapping table loading checking method based on a solid state disk in an embodiment;
FIG. 2 is a flowchart illustrating a mapping table loading checking method based on a solid state disk in another embodiment;
FIG. 3 is a flowchart illustrating a mapping table loading checking method based on a solid state disk according to yet another embodiment;
FIG. 4 is a block diagram illustrating an exemplary solid state drive-based mapping table loading checking apparatus;
FIG. 5 is a block diagram illustrating an exemplary solid state drive-based mapping table loading checking apparatus in another embodiment;
FIG. 6 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
At present, because the space available for caching the mapping table is small, the DRAM-less SSD generally needs to check whether the required mapping table entry is loaded in the process of responding to the host read/write command, and the process of checking the mapping table affects the response to the host command, thereby affecting the read/write performance of the host.
Based on the above, the invention provides a mapping table loading checking method based on a solid state disk, aiming at improving the read-write performance of a DRAM-less SSD.
In one embodiment, as shown in fig. 1, a mapping table load checking method based on a solid state disk is provided, where the method includes:
102, acquiring a mapping table loading inspection request based on a solid state disk;
step 104, after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism;
step 106, adding all read-write commands to be checked into a queue to be checked in a hardware acceleration mechanism;
step 108, acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue;
and step 110, after the command is checked, acquiring the next command from the queue to be checked, and continuing checking until all commands are checked.
In this embodiment, a mapping table loading checking method based on a solid state disk is provided, where loading checking of a mapping table and processing of a read-write command are performed as synchronously as possible in a process of responding to a host read-write command, and the specific implementation steps are as follows:
referring to the right side of fig. 3, in the process of processing the read/write command by the SSD software, a hardware acceleration mechanism is used to check whether the mapping table is loaded, so that the processing of the read/write command and the checking of the mapping table are processed in parallel.
Specifically, after receiving a plurality of read-write commands, all the read-write commands are sent to the hardware acceleration mechanism. In the hardware acceleration mechanism, all commands are put into a queue to be checked, then a command is obtained from the queue, whether a mapping table corresponding to the command is loaded or not is checked, and a checking result is put into a result queue. And after the command is checked, acquiring the next command from the queue to be checked to continue checking until all commands are checked.
In the embodiment, a check request is loaded by acquiring a mapping table based on a solid state disk; after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism; in the hardware acceleration mechanism, adding all read-write commands to be checked into a queue to be checked; acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue; and after the command is checked, acquiring the next command from the queue to be checked and continuing checking until all the commands are checked. In the scheme, in the process of processing the read-write command by the SSD software, a hardware acceleration mechanism is adopted to check whether the mapping table is loaded, so that the processing of the read-write command and the checking of the mapping table are processed in parallel, and the read-write performance of the system is effectively improved.
In one embodiment, as shown in fig. 2, a mapping table loading checking method based on a solid state disk is provided, where the method further includes:
step 202, acquiring the checking result of the command from the result queue while checking whether the mapping table is loaded;
step 204, judging whether a new checking result can be obtained;
step 206, if the check result of a command can be obtained, performing corresponding processing on the command;
and step 208, if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
In this embodiment, referring to the left side of fig. 3, while the hardware checks whether the mapping table is loaded, the software obtains the checking result of the command from the result queue, performs corresponding processing on the command if the checking result of one command can be obtained, and waits for a period of time to obtain the new checking result if the new checking result is not obtained until the checking results of all commands are obtained and processed.
And for a plurality of read-write commands, caching the read-write commands and then sending the read-write commands to a hardware acceleration mechanism to check whether the mapping table is loaded or not. The hardware acceleration mechanism carries out inspection processing on the commands in sequence, returns an inspection result after each command is inspected, and obtains the next command to continue inspection. Meanwhile, after the SSD firmware software obtains the checking result of one command, the command is correspondingly processed, and after the processing is finished, the checking result of the next command is obtained and then processed until all the commands are checked and processed.
It should be understood that although the various steps in the flow charts of fig. 1-3 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-3 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 4, there is provided a solid state disk based mapping table loading checking apparatus 400, which includes:
an obtaining module 401, configured to obtain a mapping table loading check request based on a solid state disk;
a sending module 402, configured to send all read-write commands to be checked to a hardware acceleration mechanism after receiving a plurality of read-write commands;
a queue adding module 403, configured to add all the read/write commands to be checked into a queue to be checked in the hardware acceleration mechanism;
a checking module 404, configured to obtain one of the commands from the queue to be checked, check whether a mapping table corresponding to the command is loaded, and place a checking result in a result queue;
and a loop module 405, configured to, after the command is checked, obtain a next command from the queue to be checked, and continue checking until all commands are checked.
In one embodiment, as shown in fig. 5, there is provided a mapping table loading checking apparatus 400 based on a solid state disk, the apparatus further includes a determining module 406, the determining module is configured to:
acquiring a checking result of a command from the result queue while checking whether a mapping table is loaded;
and judging whether a new checking result can be acquired or not.
In one embodiment, the determining module 406 is further configured to:
and if the checking result of one command can be acquired, performing corresponding processing on the command.
In one embodiment, the determining module 406 is further configured to:
and if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
For specific limitations of the mapping table loading inspection apparatus based on the solid state disk, reference may be made to the above limitations of the mapping table loading inspection method based on the solid state disk, and details are not described herein again.
In one embodiment, a computer device is provided, the internal structure of which may be as shown in FIG. 6. The computer apparatus includes a processor, a memory, and a network interface connected by a device bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The nonvolatile storage medium stores an operating device, a computer program, and a database. The internal memory provides an environment for the operation device in the nonvolatile storage medium and the execution of the computer program. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to realize a mapping table loading checking method based on the solid state disk.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the above method embodiments when executing the computer program.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the above respective method embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A mapping table loading checking method based on a solid state disk is characterized by comprising the following steps:
acquiring a mapping table loading inspection request based on a solid state disk;
after receiving a plurality of read-write commands, sending all the read-write commands to be checked to a hardware acceleration mechanism;
in the hardware acceleration mechanism, adding all read-write commands to be checked into a queue to be checked;
acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not, and putting a checking result into a result queue;
and after the command is checked, acquiring the next command from the queue to be checked and continuing checking until all the commands are checked.
2. The solid state disk-based mapping table load checking method according to claim 1, further comprising:
acquiring a checking result of a command from the result queue while checking whether a mapping table is loaded;
and judging whether a new checking result can be acquired or not.
3. The mapping table loading inspection method based on the solid state disk of claim 2, wherein after the step of determining whether a new inspection result can be obtained, the method further comprises:
and if the checking result of one command can be acquired, performing corresponding processing on the command.
4. The mapping table loading inspection method based on the solid state disk as claimed in claim 3, further comprising, after the step of determining whether a new inspection result can be obtained:
and if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
5. A mapping table loading checking device based on a solid state disk is characterized in that the device comprises:
the system comprises an acquisition module, a storage module and a control module, wherein the acquisition module is used for acquiring a mapping table loading check request based on a solid state disk;
the sending module is used for sending all read-write commands to be checked to the hardware acceleration mechanism after receiving the plurality of read-write commands;
the queue adding module adds all read-write commands to be checked into a queue to be checked in the hardware acceleration mechanism;
the checking module is used for acquiring one command from the queue to be checked, checking whether a mapping table corresponding to the command is loaded or not and putting a checking result into a result queue;
and the circulating module is used for acquiring the next command from the queue to be checked and continuing checking until all the commands are checked after the commands are checked.
6. The solid state disk-based mapping table loading checking apparatus according to claim 5, wherein the apparatus further comprises a determining module, and the determining module is configured to:
acquiring a checking result of a command from the result queue while checking whether a mapping table is loaded;
and judging whether a new checking result can be acquired or not.
7. The solid state disk-based mapping table loading checking apparatus according to claim 6, wherein the determining module is further configured to:
and if the checking result of one command can be acquired, performing corresponding processing on the command.
8. The solid state disk-based mapping table loading checking apparatus according to claim 7, wherein the determining module is further configured to:
and if the new checking result is not obtained, waiting for a period of time to obtain the new checking result until all the checking results of the commands are obtained and processed.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 4 are implemented when the computer program is executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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Effective date of registration: 20231201 Address after: Room 4-B703, No. 328 Xinghu Street, Suzhou Industrial Park, Suzhou Area, China (Jiangsu) Pilot Free Trade Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Yilian Information System Co.,Ltd. Address before: D24 / f-02, dongjiaotou workshop, Shekou Houhai Avenue, Shekou street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN UNIONMEMORY INFORMATION SYSTEM Co.,Ltd. |