CN105700824A - Read operation request processing method and system of mechanical hard disk of storage system - Google Patents
Read operation request processing method and system of mechanical hard disk of storage system Download PDFInfo
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- CN105700824A CN105700824A CN201511009896.0A CN201511009896A CN105700824A CN 105700824 A CN105700824 A CN 105700824A CN 201511009896 A CN201511009896 A CN 201511009896A CN 105700824 A CN105700824 A CN 105700824A
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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
- G06F3/061—Improving I/O performance
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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
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/0643—Management of files
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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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
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Abstract
The invention discloses a read operation request processing method and system of a mechanical hard disk of a storage system, and relates to the technical field of the storage system. The read operation request processing method comprises the steps of receiving a read operation request aiming at a file, wherein the read operation request comprises a file identifier of the file; determining a waiting queue corresponding to the file identifier by referring to a corresponding relationship between a preset file identifier and a waiting queue; and finishing read operation content corresponding to the read operation request by utilizing a reading thread corresponding to the determined waiting queue. Thus, according to the read operation request processing method and system of the mechanical hard disk of the storage system, one reading thread is utilized to take charge of all the read operation requests of the same file in one waiting queue and the read operation for the mechanical hard disk is subjected to sequential optimization when multi-task requests of a client are sent out at the same time. Therefore, moving of a head of the mechanical hard disk is reduced under the condition that multiple tasks from the upper layer are sent out at the same time; and the ultimate reading performance of the mechanical hard disk is accordingly improved.
Description
Technical field
The present invention relates to memory system technologies field, particularly relate to a kind of read operation request processing method storing system mechanics hard disk and system。
Background technology
At present, in common mechanical hard disk, all of disc is incorporated on a rotating shaft, it is parallel between each disc sheet, the storage face of each disc has a magnetic needle, distance between magnetic needle and disc is also less than the diameter of hairline, all of magnetic needle is associated on a magnetic needle controller, magnetic needle controller be responsible for the motion of each magnetic needle。Magnetic needle can move along the radial direction of disc, adds the high speed rotating of several thousand turns per minute of disc, and magnetic needle just can be positioned at the read-write operation specifying the enterprising row data in position of disc。
Operation principle based on above-mentioned mechanical hard disk, what mechanical hard disk was worried most is exactly random read-write, particularly in mass storage system (MSS), once upper-layer client end multitask request is with pressing at present, operation is made to be randomized to a certain degree, the magnetic needle easily making mechanical hard disk redirects, and so reads and writes the limit reading performance that all can largely effect on mechanical hard disk, and this is also the bottleneck of mechanical hard disk oneself itself。
Based on this, need a kind of can minimizing badly and redirect with the magnetic needle of mechanical hard disk when pressing at present in upper-layer client end multitask request, and then improve the limit reading performance of mechanical hard disk。
Summary of the invention
In view of this, the invention provides a kind of read operation request processing method storing system mechanics hard disk and system, redirect with the magnetic needle of mechanical hard disk when pressing at present in client multitask request to reduce, and then improve the limit reading performance of mechanical hard disk。
For solving above-mentioned technical problem, the present invention provides a kind of read operation request processing method storing system mechanics hard disk, and the method includes:
Receive the read operation request for file；Wherein, described read operation request includes the file identification of described file；
Corresponding relation with reference to the file identification preset with waiting list, it is determined that the waiting list corresponding with described file identification；
Utilize the reading thread corresponding with the waiting list determined, complete the read operation content corresponding with described read operation request；
Wherein, described file identification and described waiting list one_to_one corresponding, described waiting list and described reading thread one_to_one corresponding。
In said method, it is preferable that the corresponding relation of file identification and waiting list that described reference is preset, it is determined that the waiting list corresponding with described file identification, including:
Corresponding relation with reference to described file identification Yu waiting list, it may be judged whether there is the waiting list corresponding with described file identification；
If it is determined there is described corresponding waiting list, then directly determine described corresponding waiting list；
If it is determined that being absent from described corresponding waiting list, then create and determine described corresponding waiting list。
In said method, it is preferable that at the reading thread that described utilization is corresponding with the waiting list determined, after completing the read operation content corresponding with described read operation request, also include:
When described corresponding waiting list is for sky, discharges described corresponding waiting list and destroy reading thread corresponding thereto。
In said method, it is preferable that at the reading thread that described utilization is corresponding with the waiting list determined, before completing the read operation content corresponding with described read operation request, also include:
Create described corresponding with the waiting list determined reading thread。
Present invention also offers a kind of read operation request storing system mechanics hard disk and process system, this system includes:
Read operation request receives unit, for receiving the read operation request for file；Wherein, described read operation request includes the file identification of described file；
Waiting list determines unit, for the corresponding relation with reference to the file identification preset with waiting list, it is determined that the waiting list corresponding with described file identification；
Read operation content execution unit, for utilizing the reading thread corresponding with the waiting list determined, completes the read operation content corresponding with described read operation request；
Wherein, described file identification and described waiting list one_to_one corresponding, described waiting list and described reading thread one_to_one corresponding。
In said system, it is preferable that described waiting list determine unit specifically for:
Corresponding relation with reference to described file identification Yu waiting list, it may be judged whether there is the waiting list corresponding with described file identification；If it is determined there is described corresponding waiting list, then directly determine described corresponding waiting list；If it is determined that being absent from described corresponding waiting list, then create and determine described corresponding waiting list。
In said system, it is preferable that also include:
Unit is destroyed in release, for the reading thread corresponding with the waiting list determined in described utilization, after completing the read operation content corresponding with described read operation request, when described corresponding waiting list is for sky, discharges described corresponding waiting list and destroy reading thread corresponding thereto。
In said system, it is preferable that also include:
Read thread creation unit, for the reading thread corresponding with the waiting list determined in described utilization, before completing the read operation content corresponding with described read operation request, create described corresponding with the waiting list determined reading thread。
Above in a kind of read operation request processing method storing system mechanics hard disk provided by the invention and system, consider in client multitask request with when pressing at present, quantity from the read operation request of client can be a lot, therefore, read operation request for All Files arranges waiting list, and wherein, each file has a waiting list, and corresponding one of each waiting list reads thread, and this reading thread is responsible for processing the read operation request in waiting list；Meanwhile, each file all has and its unique corresponding file identification, is set up by file identification and contact between file and waiting list。
Specifically, first, receiving the read operation request for file, described read operation request includes the file identification of described file；Then, with reference to the corresponding relation of the file identification preset with waiting list, it is determined that the waiting list corresponding with described file identification；Finally, utilize the reading thread corresponding with the waiting list determined, complete the read operation content corresponding with described read operation request。Visible, in client multitask request with when pressing at present, the present invention realizes utilizing to read all read operation request of identical file in the responsible waiting list of thread, mechanical hard disk read operation is carried out ordered optimization, decrease and redirect with the magnetic needle of mechanical hard disk when pressing at present in upper strata multitask, thus improve the limit reading performance of mechanical hard disk。
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided。
The flow chart of a kind of read operation request processing method storing system mechanics hard disk that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 processes the structured flowchart schematic diagram of system for a kind of read operation request storing system mechanics hard disk that the embodiment of the present invention provides。
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
The core of the present invention is to provide a kind of read operation request processing method storing system mechanics hard disk and system, redirects with the magnetic needle of mechanical hard disk when pressing at present in client multitask request to reduce, and then improves the limit reading performance of mechanical hard disk。
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail。
Reference Fig. 1, Fig. 1 illustrate the flow chart of a kind of read operation request processing method storing system mechanics hard disk that the embodiment of the present invention provides, and the method specifically may include steps of:
Step S100, receive for the read operation request of file。
Wherein, read operation request includes the file identification of this document。Owing to, in the present invention, each file all has and its unique corresponding file identification, file identification and waiting list one_to_one corresponding, it is to be understood that contacted by file identification foundation between file and waiting list。Therefore, may determine that the waiting list corresponding with this document by the file identification in read operation request。
The corresponding relation of step S101, the file identification that reference is preset and waiting list, it is determined that the waiting list corresponding with file identification。
In the present invention, consider in client multitask request with when pressing at present, quantity from the read operation request of client can be a lot, therefore, read operation request for All Files arranges waiting list, each file has a waiting list, and corresponding one of each waiting list reads thread, and this reading thread is responsible for processing the read operation request in waiting list。Wherein, waiting list and reading thread one_to_one corresponding。
Further, above-mentioned steps S101 can be realized by herein below: the corresponding relation of reference paper mark and waiting list, it may be judged whether there is the waiting list corresponding with file identification；If it is present directly determine corresponding waiting list；If it does not exist, then create and determine corresponding waiting list。
Step S102, utilize the reading thread corresponding with the waiting list determined, complete the read operation content corresponding with read operation request。
In the present invention, when first time receives the read operation request of certain file (such as A file), it is understandable that, now and be absent from the waiting list corresponding with A file and read thread, so, can first create the waiting list corresponding with the file identification of A file, with this simultaneously, it is also desirable to create and read thread accordingly。It is to say, utilize the reading thread corresponding with the waiting list determined in step s 102, before completing the read operation content corresponding with read operation request, in addition it is also necessary to create the reading thread corresponding with the waiting list determined。
In actual applications, along with client constantly initiates read operation request for A file, it is understandable that, these read operation request can be put in the waiting list corresponding with A file in succession, meanwhile, corresponding reading thread also constantly can extract read operation request from this waiting list, and completes corresponding read operation content。
Further, when A file is no longer initiated read operation request by client, and the read operation request in meanwhile corresponding with A file waiting list is also all over by corresponding thread process of reading, and namely waiting list is empty, this also implies that, this waiting list and read thread without。Based on this, in order to ensure that other file has enough creating waiting list and read the resource of thread, the reading thread corresponding with the waiting list determined can utilized, after completing the read operation content corresponding with described read operation request, if corresponding waiting list is for sky, then discharges corresponding waiting list and destroy reading thread corresponding thereto。
Visible, in client multitask request with when pressing at present, the present invention realizes utilizing to read all read operation request of identical file in the responsible waiting list of thread, mechanical hard disk read operation is carried out ordered optimization, decrease and redirect with the magnetic needle of mechanical hard disk when pressing at present in upper strata multitask, thus improve the limit reading performance of mechanical hard disk。
Based on the read operation request processing method of the storage system mechanics hard disk that the invention described above embodiment provides, the embodiment of the present invention additionally provides a kind of read operation request storing system mechanics hard disk and processes system, and with reference to Fig. 2, this system 200 can include following content:
Read operation request receives unit 201, for receiving the read operation request for file；Wherein, read operation request includes the file identification of file；
Waiting list determines unit 202, for the corresponding relation with reference to the file identification preset with waiting list, it is determined that the waiting list corresponding with file identification；
Read operation content execution unit 203, for utilizing the reading thread corresponding with the waiting list determined, completes the read operation content corresponding with read operation request；
Wherein, file identification and waiting list one_to_one corresponding, waiting list and reading thread one_to_one corresponding。
In the present invention, waiting list determines that unit 202 specifically may be used for: the corresponding relation of reference paper mark and waiting list, it may be judged whether there is the waiting list corresponding with file identification；If it is determined there is corresponding waiting list, then directly determine corresponding waiting list；If it is determined that being absent from corresponding waiting list, then create and determine corresponding waiting list。
In the present invention, system 200 specifically can also include: unit is destroyed in release, for utilizing the reading thread corresponding with the waiting list determined, after completing the read operation content corresponding with described read operation request, when corresponding waiting list is for sky, discharges corresponding waiting list and destroy reading thread corresponding thereto。
In the present invention, system 200 specifically can also include: reads thread creation unit, for utilizing the reading thread corresponding with the waiting list determined, before completing the read operation content corresponding with read operation request, creating the reading thread corresponding with the waiting list determined。
It should be noted that each embodiment in this specification all adopts the mode gone forward one by one to describe, what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually referring to。For system class embodiment, due to itself and embodiment of the method basic simlarity, so describing fairly simple, relevant part illustrates referring to the part of embodiment of the method。
Above a kind of read operation request processing method storing system mechanics hard disk provided by the present invention and system are described in detail。Principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention。It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention。
Claims (8)
1. the read operation request processing method storing system mechanics hard disk, it is characterised in that the method includes:
Receive the read operation request for file；Wherein, described read operation request includes the file identification of described file；
Corresponding relation with reference to the file identification preset with waiting list, it is determined that the waiting list corresponding with described file identification；
Utilize the reading thread corresponding with the waiting list determined, complete the read operation content corresponding with described read operation request；
Wherein, described file identification and described waiting list one_to_one corresponding, described waiting list and described reading thread one_to_one corresponding。
2. the method for claim 1, it is characterised in that the corresponding relation of file identification and waiting list that described reference is preset, it is determined that the waiting list corresponding with described file identification, including:
Corresponding relation with reference to described file identification Yu waiting list, it may be judged whether there is the waiting list corresponding with described file identification；
If it is determined there is described corresponding waiting list, then directly determine described corresponding waiting list；
If it is determined that being absent from described corresponding waiting list, then create and determine described corresponding waiting list。
3. method as claimed in claim 1 or 2, it is characterised in that at the reading thread that described utilization is corresponding with the waiting list determined, after completing the read operation content corresponding with described read operation request, also include:
When described corresponding waiting list is for sky, discharges described corresponding waiting list and destroy reading thread corresponding thereto。
4. method as claimed in claim 3, it is characterised in that at the reading thread that described utilization is corresponding with the waiting list determined, before completing the read operation content corresponding with described read operation request, also include:
Create described corresponding with the waiting list determined reading thread。
5. the read operation request storing system mechanics hard disk processes system, it is characterised in that this system includes:
Read operation request receives unit, for receiving the read operation request for file；Wherein, described read operation request includes the file identification of described file；
Waiting list determines unit, for the corresponding relation with reference to the file identification preset with waiting list, it is determined that the waiting list corresponding with described file identification；
Read operation content execution unit, for utilizing the reading thread corresponding with the waiting list determined, completes the read operation content corresponding with described read operation request；
Wherein, described file identification and described waiting list one_to_one corresponding, described waiting list and described reading thread one_to_one corresponding。
6. system as claimed in claim 5, it is characterised in that described waiting list determine unit specifically for:
Corresponding relation with reference to described file identification Yu waiting list, it may be judged whether there is the waiting list corresponding with described file identification；If it is determined there is described corresponding waiting list, then directly determine described corresponding waiting list；If it is determined that being absent from described corresponding waiting list, then create and determine described corresponding waiting list。
7. the system as described in claim 5 or 6, it is characterised in that also include:
Unit is destroyed in release, for the reading thread corresponding with the waiting list determined in described utilization, after completing the read operation content corresponding with described read operation request, when described corresponding waiting list is for sky, discharges described corresponding waiting list and destroy reading thread corresponding thereto。
8. system as claimed in claim 7, it is characterised in that also include:
Read thread creation unit, for the reading thread corresponding with the waiting list determined in described utilization, before completing the read operation content corresponding with described read operation request, create described corresponding with the waiting list determined reading thread。
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| CN201511009896.0A CN105700824B (en) | 2015-12-29 | 2015-12-29 | A kind of the read operation request processing method and system of storage system mechanical hard disk |
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| CN105700824B CN105700824B (en) | 2018-12-07 |
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Cited By (1)
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| CN107277128A (en) * | 2017-06-15 | 2017-10-20 | 郑州云海信息技术有限公司 | The method and device of request processing order-preserving in a kind of distributed storage agreement |
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