CN104991745B - A kind of memory system data wiring method and system - Google Patents
A kind of memory system data wiring method and system Download PDFInfo
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Abstract
The invention discloses a kind of memory system data wiring method and system, including：Data receiver and protocol analysis subsystem receive the write IO request of calculate node, and write IO request includes at least one communication message, which includes protocol fields and payload field；During write IO request is received, the protocol fields data of communication message and payload field data are stored in the different position of high speed storing medium respectively, and the payload field data of communication message is independently stored；After write IO request finishes receiving, write IO request is transmitted to data buffer storage subsystem；After data buffer storage subsystem receives write IO request, return to write operation to calculate node and complete information, and write operation is carried out to write IO request.By means of the invention it is possible under same hardware platform, memory system data write performance is improved.
Description
Technical field
The present invention relates to technical field of computer data storage, espespecially a kind of memory system data wiring method and system.
Background technology
So far, in magnanimity big data field of storage, storage system is independent as one for technical development of computer
Equipment is independent from computing system.Fig. 1 be the present invention big data storage computing system configuration diagram, such as Fig. 1
Shown, just by computing subsystem, three parts of transmission subsystem and storage subsystem form entire computing system.In such case
Under, with the raising of the computing capability of computing subsystem, the performance requirement just proposed to the performance of storage subsystem is just increasingly
It is high.
The main performance index of storage system includes：Input and output (IO, Input and Output) number per second, handling capacity
With the IO response times.IO numbers abbreviation IOps (IO per Second) per second is time of storage system performed I/O operation per second
Number, is an important indicator for weighing storage system I O process ability, the bigger I O process for illustrating storage system of this numerical value
Ability is stronger.Handling capacity is also referred to as transmission rate or bandwidth, the transfer bus per second from storage system when being actual use
On the data volume that flows through, this index identifies maximum volume of transmitted data, in the feelings that sequential access or big data quantity access
Under condition can it is important, this index is generally limited to the performance of hardware bus, as I/O transmission bus bandwidth, memory bandwidth etc. because
Element.The IO response times are also referred to as IO delays, are that the I/O command read or write sent from computing system connects to computing system
The time of IO responses is received, this index is for weighing processing speed of the storage system to single IO, and numerical value is smaller illustrates IO for this
Processing speed is faster.
At present, the permanent storage media of storage system mainly uses mechanical hard disk, and the performance of system is primarily limited to
The storage performance of single storage medium.To improve the overall performance of whole system, industry is mostly read parallel using multiple storage mediums
The method write.Meanwhile other high speed storing media are added between computing subsystem and storage medium, such as solid state disk
(SSD, Solid State Drives), random access memory (RAM, Random-Access Memory) etc., and by data
It is temporarily held on high speed storing medium, data from high speed storing medium is synchronized in the system free time permanently stores Jie afterwards
In matter.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of memory system data wiring method and systems, can
Under same hardware platform, memory system data write performance is improved.
In order to reach the object of the invention, the present invention provides a kind of memory system data wiring method, including：Data receiver
And protocol analysis subsystem receives the write IO request of calculate node, the write IO request includes at least one communication message, described
Communication message includes protocol fields and payload field；During the write IO request is received, by the communication message
Protocol fields data and payload field data be stored in the different position of high speed storing medium respectively, and by the communication
The payload field data of message is independently stored；After the write IO request finishes receiving, the write IO request is transmitted to number
According to cache subsystem；After data buffer storage subsystem receives the write IO request, return to write operation to calculate node and complete information, and
Write operation is carried out to the write IO request.
Further, it is described during the write IO request is received, by the protocol fields data of the write IO request
High speed storing medium is stored in respectively with payload field data, is specially：It, will during the write IO request is received
Protocol fields data in communication message are stored in the protocol data area of high speed storing medium, will be effective in the communication message
Payload field data are stored in the I/O data area of high speed storing medium.
Further, after the write IO request finishes receiving, the write IO request is transmitted to data buffer storage subsystem, is had
Body is：After the write IO request finishes receiving, by the write IO request and the write IO request in high speed storing medium
Data deposit position sends the I/O request queue of data buffer storage subsystem to.
Further, it is described that write operation is carried out to the write IO request, be specially：The IO of the data buffer storage subsystem please
After queue is asked to receive the write IO request, the cache pool of data buffer storage subsystem is waken up；The cache pool is from I/O request queue
The write IO request is obtained, and is write the corresponding payload field data of the write IO request according to the data deposit position
Enter into cache pool.
Further, the method further includes：Dirty data writes with a brush dipped in Chinese ink subsystem to the data in the data buffer storage subsystem
It is write with a brush dipped in Chinese ink, and the data after writing with a brush dipped in Chinese ink is written in permanent storage media.
Further, the dirty data writes with a brush dipped in Chinese ink subsystem and the data in the data buffer storage subsystem is write with a brush dipped in Chinese ink, tool
Body is：It is determined to write with a brush dipped in Chinese ink mode according to the type of permanent storage media, the dirty data writes with a brush dipped in Chinese ink subsystem using the definite side of writing with a brush dipped in Chinese ink
Formula writes with a brush dipped in Chinese ink the data in the cache pool of the data buffer storage subsystem.
Further, the mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink including order bulk, and brush is write with a brush dipped in Chinese ink and concurrently disperseed in fixed block size alignment
It writes；If permanent storage media is common hard disc, definite mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink for order bulk；If permanent storage media is
The RAID permutations formed using hard disk, definite mode of writing with a brush dipped in Chinese ink are alignd for data according to the fixed block size that the band of array carries out
It writes with a brush dipped in Chinese ink；If permanent storage media is distributed storage pond, definite writes with a brush dipped in Chinese ink mode concurrently to disperse to write with a brush dipped in Chinese ink.
The present invention also provides a kind of storage system, including：Data receiver and protocol analysis subsystem calculate for receiving
The write IO request of node, at least one communication message of write IO request write IO request, the communication message include protocol fields
With payload field；During the write IO request is received, by the protocol fields data of the communication message and effectively
Payload field data are stored in the different position of high speed storing medium respectively, and by the payload Field Count of the communication message
According to independent storage；After the write IO request finishes receiving, the write IO request is transmitted to data buffer storage subsystem；Data buffer storage
Subsystem, after receiving the write IO request, to calculate node return write operation complete information, and to the write IO request into
Row write operates.
Further, the data receiver and protocol analysis subsystem, are specifically used for：The IO that writes for receiving calculate node please
It asks；During the write IO request is received, the protocol fields data of communication message are stored in the association of high speed storing medium
Data field is discussed, the payload field data of communication message is stored in the I/O data area of high speed storing medium；The IO that writes please
It asks after finishing receiving, the write IO request and the write IO request is sent in the data deposit position of high speed storing medium
The I/O request queue of data buffer storage subsystem.
Further, the data buffer storage subsystem, after receiving the write IO request specifically for I/O request queue, to meter
Operator node returns to write operation and completes information, and wakes up the cache pool of data buffer storage subsystem；The cache pool is from I/O request queue
It is middle to obtain the write IO request, the corresponding payload field data of the write IO request is write according to the data deposit position
Enter into cache pool.
Further, the storage system further includes：Dirty data writes with a brush dipped in Chinese ink subsystem, for the class according to permanent storage media
Type is determined to write with a brush dipped in Chinese ink mode, the data in the cache pool of the data buffer storage subsystem is brushed using definite mode of writing with a brush dipped in Chinese ink
It writes, and the data after writing with a brush dipped in Chinese ink is written in permanent storage media.
Further, the mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink including order bulk, and brush is write with a brush dipped in Chinese ink and concurrently disperseed in fixed block size alignment
It writes；If permanent storage media is common hard disc, definite mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink for order bulk；If permanent storage media is
The RAID permutations formed using hard disk, definite mode of writing with a brush dipped in Chinese ink are alignd for data according to the fixed block size that the band of array carries out
It writes with a brush dipped in Chinese ink；If permanent storage media is distributed storage pond, definite writes with a brush dipped in Chinese ink mode concurrently to disperse to write with a brush dipped in Chinese ink.
Compared with prior art, the present invention, by parsing protocol data in advance, is avoided in agreement solution when IO is write in processing
The memory copying generated in the process is analysed, thus memory load and processor load effectively in reduction system；Dirty data is write with a brush dipped in Chinese ink
It is to effectively reduce the processor load of system, and the direct effect that memory load declines is exactly that storage system is brought to handle up
The raising of rate, it is exactly that processor has more to handle IO of the write IO request so as to lifting system that processor load, which declines meeting result,
The IOPS indexs of processing capacity and storage system；In addition, the processing road of IO is write in the method shortening that IO completions are write by returning in advance
Footpath, so as to reduce the IO reaction time of write operation.The present invention is based on the computing system of existing big data storage, in same hardware
Under platform, system load can be effectively reduced, reduces IO and is delayed, memory load and processor in reduction system increase system IO
Processing capacity.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application technical solution for explaining the present invention together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the configuration diagram of the computing system of the big data storage of the present invention.
Fig. 2 is the structure diagram of storage system in a kind of embodiment of the invention.
Fig. 3 is the flow diagram of memory system data wiring method in a kind of embodiment of the invention.
Fig. 4 is the schematic diagram that data message receives processing in memory system data ablation process of the invention.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where there is no conflict, in the embodiment and embodiment in the application
Feature can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable
Sequence performs shown or described step.
The present invention is based on the computing systems of existing big data storage, under same hardware platform, can effectively reduce system
Load reduces IO and is delayed, and memory load and processor in reduction system increase system I O process ability.
Fig. 2 is the structure diagram of storage system in a kind of embodiment of the invention.As shown in Fig. 2, the storage of the present invention
System includes：Data receiver and protocol analysis subsystem, data buffer storage subsystem and dirty data write with a brush dipped in Chinese ink subsystem, wherein,
Data receiver and protocol analysis subsystem, for being responsible for communicating with calculate node, the IO that writes for receiving calculate node please
It asks, and write IO request handling result is fed back to calculate node.
In the present invention, to reduce the RAM of system loads, the data received are parsed simultaneously receiving data,
Specifically, by the protocol data in communication message and write I/O data and separately store, I/O data will be write and be individually stored in I/O data area
Domain；After the completion of complete write request data receiver, data receiver and protocol analysis subsystem are by write request and corresponding number
Data buffer storage subsystem is passed to according to position.
Data buffer storage subsystem, including I/O request queue and data cache pool.
Specifically, I/O request queue is responsible for the IO that writes that reception is passed over from data receiver and protocol analysis subsystem and is asked
It asks；To shorten I/O path, I/O request queue returns to upper strata write complete at once, after just starting afterwards after receiving data and writing IO
The I O process work of platform cache pool, cache pool take out write IO request from I/O request queue, and then data to be written is merged into
In data buffer storage.The management algorithm of data buffer storage is known to those skilled in the art, therefore this will not be repeated here.
Dirty data writes with a brush dipped in Chinese ink subsystem, and data are written to from cache pool in permanent storage media.
Specifically, the data to be optimal write with a brush dipped in Chinese ink performance, reduce the system load that dirty data writes with a brush dipped in Chinese ink operation, and data are write with a brush dipped in Chinese ink
Module selects optimal to write with a brush dipped in Chinese ink scheme according to the type of permanent storage media.In the present invention, writing with a brush dipped in Chinese ink scheme includes order bulk
It writes with a brush dipped in Chinese ink, fixed block size alignment is write with a brush dipped in Chinese ink, and concurrently disperses to write with a brush dipped in Chinese ink several ways, if the permanent storage media of rear end is common hard
Disk is write with a brush dipped in Chinese ink using order bulk；If permanent storage media be using hard disk form RAID permutations, data according to array item
Band size alignment is write with a brush dipped in Chinese ink；If permanent storage media is distributed storage pond, write with a brush dipped in Chinese ink using scattered parallel mode.
The data write IO request of the present invention is initiated by the calculate node in computing system, is received and processed by storage system.
Based on above-mentioned storage system, as shown in figure 3, the memory system data wiring method of the present invention, including：
Step 301, data receiver and protocol analysis subsystem receive the write IO request of calculate node, and the write IO request is at least
One communication message, communication message include protocol fields and payload field；During write IO request is received, obtaining should
The payload field data of communication message, and payload field data is stored in the different position of high speed storing medium,
And the payload field data of communication message is independently stored；After the write IO request finishes receiving, which is transmitted
To data buffer storage subsystem.
In this step, data receiver and protocol analysis subsystem receive the write IO request of calculate node, the write IO request
As shown in figure 4, including one or more communication messages, each communication message includes protocol fields and payload field.It is connecing
During receiving write IO request, data receiver and protocol analysis subsystem parse the write IO request received, will write IO
The protocol fields data of each communication message and payload field data are separately stored in request, specifically, data receiver and
The protocol fields data of communication message are stored in the protocol data area of high speed storing medium by protocol analysis subsystem, and communication is reported
The payload field data of text is stored in the I/O data area of high speed storing medium.
After complete write IO request finishes receiving, which is transmitted to by data receiver and protocol analysis subsystem
In the I/O request queue of cache subsystem, and corresponding data deposit position is sent in high speed storing medium by the write IO request
Give data buffer storage subsystem.
Step 302, after data buffer storage subsystem receives write IO request, return to write operation to calculate node and complete information, and
Write operation is carried out to write IO request.
In this step, after the I/O request queue of data buffer storage subsystem receives write IO request, write to calculate node return
Information is completed in operation, and wakes up the cache pool of data buffer storage subsystem；Cache pool obtains write IO request, root from I/O request queue
According to data deposit position the corresponding payload field data of the write IO request is written in cache pool, wherein data buffer storage
Management algorithm is known to those skilled in the art, therefore this will not be repeated here.
Step 303, dirty data writes with a brush dipped in Chinese ink subsystem and the data in data cache subsystem is write with a brush dipped in Chinese ink, and after writing with a brush dipped in Chinese ink
Data are written in permanent storage media.
In this step, dirty data writes with a brush dipped in Chinese ink subsystem and the data in the cache pool of data cache subsystem is write with a brush dipped in Chinese ink,
And the data after writing with a brush dipped in Chinese ink are written in permanent storage media.In this way, reduce storage system load so that storage system, which has, more fills
The processing capacity of foot is used to handle write IO request.
Data to be optimal write with a brush dipped in Chinese ink performance, reduce the system load that dirty data writes with a brush dipped in Chinese ink operation, and data write with a brush dipped in Chinese ink module root
It selects optimal to write with a brush dipped in Chinese ink scheme according to the type of permanent storage media.In a specific embodiment of the present invention, scheme is write with a brush dipped in Chinese ink including suitable
Sequence bulk is write with a brush dipped in Chinese ink, and fixed block size alignment is write with a brush dipped in Chinese ink, and concurrently disperses to write with a brush dipped in Chinese ink several ways.For example, if the permanent storage media of rear end
It is common hard disc, is write with a brush dipped in Chinese ink using order bulk；If permanent storage media be using hard disk form RAID permutations, data according to
The stripe size alignment of array is write with a brush dipped in Chinese ink；If permanent storage media is distributed storage pond, using scattered parallel mode into
Row is write with a brush dipped in Chinese ink.
It can be seen that the present invention, by parsing protocol data in advance, is avoided when IO is write in processing by above system description
The memory copying generated during protocol analysis, thus memory load and processor load effectively in reduction system；Dirty number
According to the processor load write with a brush dipped in Chinese ink also for the system that effectively reduces, and the direct effect that memory load declines is exactly to bring storage
The raising of system throughput, processor load decline can result be exactly that processor has more to handle write IO request so as to being promoted
The I O process ability of system and the IOPS indexs of storage system；In addition, IO is write in the method shortening that IO completions are write by returning in advance
Processing path, so as to reduce the IO reaction time of write operation.
Although disclosed herein embodiment as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (9)
1. a kind of memory system data wiring method, which is characterized in that including：
Data receiver and protocol analysis subsystem receive the write IO request of calculate node, and the write IO request includes at least one logical
Believe message, the communication message includes protocol fields and payload field；During the write IO request is received, by institute
The protocol data area that the protocol fields data in communication message are stored in high speed storing medium is stated, by having in the communication message
Effect payload field data are stored in the I/O data area of high speed storing medium, and by the payload field data of the communication message
Independent storage；After the write IO request finishes receiving, the write IO request is transmitted to data buffer storage subsystem；
After data buffer storage subsystem receives the write IO request, return to write operation to calculate node and complete information, and write to described
I/O request carries out write operation；
Wherein, after the write IO request finishes receiving, the write IO request is transmitted to data buffer storage subsystem, is specially：
After the write IO request finishes receiving, by the write IO request and the write IO request high speed storing medium IO numbers
Send the I/O request queue of data buffer storage subsystem to according to the data deposit position information in area.
2. memory system data wiring method according to claim 1, which is characterized in that it is described to the write IO request into
Row write operates, and is specially：
After the I/O request queue of the data buffer storage subsystem receives the write IO request, the caching of data buffer storage subsystem is waken up
Pond；The cache pool obtains the write IO request from I/O request queue, and writes IO by described according to the data deposit position
The payload field data of request is written in cache pool.
3. memory system data wiring method according to claim 2, which is characterized in that the method further includes：Dirty number
The data in the data buffer storage subsystem are write with a brush dipped in Chinese ink according to subsystem is write with a brush dipped in Chinese ink, and the data after writing with a brush dipped in Chinese ink are written to and are permanently deposited
In storage media.
4. memory system data wiring method according to claim 3, which is characterized in that the dirty data writes with a brush dipped in Chinese ink subsystem
Data in the data buffer storage subsystem are write with a brush dipped in Chinese ink, are specially：
It is determined to write with a brush dipped in Chinese ink mode according to the type of permanent storage media, the dirty data writes with a brush dipped in Chinese ink subsystem and writes with a brush dipped in Chinese ink mode using what is determined
Data in the cache pool of the data buffer storage subsystem are write with a brush dipped in Chinese ink.
5. memory system data wiring method according to claim 4, which is characterized in that the mode of writing with a brush dipped in Chinese ink includes order
Bulk is write with a brush dipped in Chinese ink, and fixed block size alignment is write with a brush dipped in Chinese ink and concurrently disperses to write with a brush dipped in Chinese ink；
If permanent storage media is common hard disc, definite mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink for order bulk；If permanent storage media
It is the RAID permutations formed using hard disk, the definite fixed block size pair write with a brush dipped in Chinese ink mode and carried out for data according to the band of array
It writes with a brush dipped in Chinese ink together；If permanent storage media is distributed storage pond, definite writes with a brush dipped in Chinese ink mode concurrently to disperse to write with a brush dipped in Chinese ink.
6. a kind of storage system, which is characterized in that including：
Data receiver and protocol analysis subsystem, for receiving the write IO request of calculate node, the write IO request is at least one
Communication message, the communication message include protocol fields and payload field；It, will during the write IO request is received
Protocol fields data in the communication message are stored in the protocol data area of high speed storing medium, will be in the communication message
Payload field data is stored in the I/O data area of high speed storing medium, and by the payload Field Count of the communication message
According to independent storage；After the write IO request finishes receiving, the write IO request is transmitted to data buffer storage subsystem；
Data buffer storage subsystem after receiving the write IO request, returns to write operation to calculate node and completes information, and to institute
It states write IO request and carries out write operation；
Wherein, the data receiver and protocol analysis subsystem, are specifically used for：
After the write IO request finishes receiving, by the write IO request and the write IO request high speed storing medium data
Deposit position sends the I/O request queue of data buffer storage subsystem to.
7. storage system according to claim 6, which is characterized in that the data buffer storage subsystem, it please specifically for IO
After queue is asked to receive the write IO request, return to write operation to calculate node and complete information, and wake up data buffer storage subsystem
Cache pool；The cache pool obtains the write IO request from I/O request queue, is write according to the data deposit position by described
The corresponding payload field data of I/O request is written in cache pool.
8. storage system according to claim 7, which is characterized in that the storage system further includes：Dirty data writes with a brush dipped in Chinese ink son
For determining to write with a brush dipped in Chinese ink mode according to the type of permanent storage media, mode is write with a brush dipped in Chinese ink to the data buffer storage using definite for system
Data in the cache pool of subsystem are write with a brush dipped in Chinese ink, and the data after writing with a brush dipped in Chinese ink are written in permanent storage media.
9. storage system according to claim 8, which is characterized in that the mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink including order bulk, Gu
Determine block size alignment to write with a brush dipped in Chinese ink and concurrently disperse to write with a brush dipped in Chinese ink；
If permanent storage media is common hard disc, definite mode of writing with a brush dipped in Chinese ink is write with a brush dipped in Chinese ink for order bulk；If permanent storage media
It is the RAID permutations formed using hard disk, the definite fixed block size pair write with a brush dipped in Chinese ink mode and carried out for data according to the band of array
It writes with a brush dipped in Chinese ink together；If permanent storage media is distributed storage pond, definite writes with a brush dipped in Chinese ink mode concurrently to disperse to write with a brush dipped in Chinese ink.
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| CN107506146A (en) * | 2017-08-29 | 2017-12-22 | 郑州云海信息技术有限公司 | A kind of data-storage system |
| CN112214166B (en) | 2017-09-05 | 2022-05-24 | 华为技术有限公司 | Method and apparatus for transmitting data processing requests |
| CN109992212B (en) * | 2019-04-10 | 2020-03-27 | 苏州浪潮智能科技有限公司 | Data writing method and data reading method |
| CN114281762B (en) * | 2022-03-02 | 2022-06-03 | 苏州浪潮智能科技有限公司 | Log storage acceleration method, device, equipment and medium |
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| CN103970688A (en) * | 2013-02-04 | 2014-08-06 | Lsi公司 | Method and system for reducing write latency in a data storage system |
| CN104461936A (en) * | 2014-11-28 | 2015-03-25 | 华为技术有限公司 | Cached data disk brushing method and device |
| CN104536704A (en) * | 2015-01-12 | 2015-04-22 | 浪潮(北京)电子信息产业有限公司 | Dual-controller communication method, transmitting end controller and receiving end controller |
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