CN107341056A - A kind of method and device of the thread distribution based on NFS - Google Patents
A kind of method and device of the thread distribution based on NFS Download PDFInfo
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- CN107341056A CN107341056A CN201710544986.2A CN201710544986A CN107341056A CN 107341056 A CN107341056 A CN 107341056A CN 201710544986 A CN201710544986 A CN 201710544986A CN 107341056 A CN107341056 A CN 107341056A
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- request
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
- G06F9/5055—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering software capabilities, i.e. software resources associated or available to the machine
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/481—Exception handling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/486—Scheduler internals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5011—Pool
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5018—Thread allocation
Abstract
The invention discloses a kind of method of the thread distribution based on NFS, methods described includes the multiple requests received being put into multiple request queues with corresponding to the action type according to the action type of the request；By the thread in thread pool corresponding to the request queue, the request call database in the request queue performs respective operations；The method of thread distribution disclosed in this invention, first different action types will can be asked to be put into different request queues, then the request call database by the thread in thread pool in each request queue.When the calling of a certain action type in database occurs abnormal, the execution of the request in some request queue is only influenced whether, the request without influencing whether all operationss type；The invention also discloses a kind of thread assigned unit based on NFS, equally with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to server storage field, more particularly to a kind of method of the thread distribution based on NFS
And device.
Background technology
NFS is a kind of to realize between different computers directly a set of system of shared data in a network environment
System, in the NFS, the share directory of the server end of distant place can be mounted to local by client, and client can
To access the file of remotely located server end as accessing the file in local hard drive.
In the prior art, server processing by client send request when, the request received can be sent to
Request queue, each request is then obtained according to the order asked in request queue by the thread in thread pool, obtained in basis
The action type for the request got calls database to be handled.Generally there is a plurality of thread in the thread pool, jointly from described
Request is obtained in request queue.
But in the prior art, when the calling of a certain action type in database occurs abnormal, in thread pool
Thread is easy while occupied, so as to lead to not the request for handling other action types.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of side of the thread distribution based on NFS
Method, the calling of other action types when the calling of a certain action type in database occurs abnormal, can not be influenceed；This hair
It is bright to additionally provide a kind of thread assigned unit based on NFS, it can avoid working as a certain operation class in database
When the calling of type occurs abnormal, the occurrence of thread in thread pool is simultaneously occupied.
In order to solve the above-mentioned technical problem, the invention provides a kind of side of the thread distribution based on NFS
Method, methods described include：
By the multiple requests received according to corresponding to the action type of the request is put into the multiple and action type
Request queue；
By the thread in thread pool corresponding to the request queue, the request call data in the request queue
Storehouse performs respective operations.
Optionally, the thread by thread pool corresponding to the request queue, according in the request queue
Request call database, which performs respective operations, to be included：
Judge whether there is request in the request queue by the thread in thread pool corresponding to the request queue；
If so, then deleting the request, and handled according to the request call Lib databases, hung if it is not, then entering
The state of rising.
Optionally, the thread by thread pool corresponding to the request queue, according in the request queue
Request call database, which performs respective operations, to be included：
By the thread in thread pool corresponding to the request queue, the request call data in the request queue
Storehouse performs respective operations, and the thread pool creates thread according to the state of itself and the action type.
Optionally, methods described further comprises：
When the database is stopped, the thread is destroyed.
Optionally, it is described that the multiple requests received are put into the multiple and operation according to the action type of the request
Request queue corresponding to type includes：
By the multiple requests received according to corresponding to the action type of the request is put into the multiple and action type
Request queue, any action type both corresponds to a request queue.
Optionally, it is described that the multiple requests received are put into the multiple and operation according to the action type of the request
Request queue corresponding to type includes：
By the multiple requests received according to corresponding to the action type of the request is put into the multiple and action type
Request queue, any operating frequency both corresponds to a request queue higher than the action type of frequency set in advance, entirely
Portion's operating frequency corresponds to a request queue less than the action type of the frequency set in advance.
Present invention also offers a kind of thread assigned unit based on NFS, described device includes：
Sort module：For the multiple requests received to be put into the multiple and behaviour according to the action type of the request
Make the request queue corresponding to type；
Processing module：By the thread in thread pool corresponding to the request queue, asking in the request queue
Ask and call database to perform respective operations.
Optionally, the processing module includes：
Judging unit：It is in the request queue for being judged by the thread in thread pool corresponding to the request queue
It is no to have request；
Call unit：For the judged result according to the judging unit, if so, the request is then deleted, and according to institute
State request call Lib databases to be handled, if it is not, then entering suspended state.
Optionally, described device further comprises：
Destroy module：For when the database is stopped, destroying the thread.
Optionally, the sort module is specifically used for：
By the multiple requests received according to corresponding to the action type of the request is put into the multiple and action type
Request queue, any operating frequency both corresponds to a request queue higher than the action type of frequency set in advance, entirely
Portion's operating frequency corresponds to a request queue less than the action type of the frequency set in advance.
A kind of method of thread distribution based on NFS provided by the present invention, can be first by different operations
Type will ask to be put into different request queues, then the request call by the thread in thread pool in each request queue
Database.When the calling of a certain action type in database occurs abnormal, only influence whether in some request queue
The execution of request, the request without influencing whether all operationss type.Present invention also offers one kind to be based on NFS
Thread assigned unit, equally with above-mentioned beneficial effect, no longer repeated herein.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
The flow chart for the first thread distribution method that Fig. 1 is provided by the embodiment of the present invention；
The flow chart for second of thread distribution method that Fig. 2 is provided by the embodiment of the present invention；
Fig. 3 is a kind of structured flowchart of thread distributor provided in an embodiment of the present invention.
Embodiment
The core of the present invention is to provide a kind of method of the thread distribution based on NFS, in the prior art,
When the calling of a certain action type in database occurs abnormal, the thread of the action type is being called just can not in thread pool
Feedback information is obtained, now the thread will locate wait state, can not obtain other requests, other lines in thread pool
Journey is also possible to get the request for including the abnormal action type, and equally can be due to nothing when calling the action type
Method obtains feedback information and is in wait state.Because the number of threads in thread pool has the upper limit, and work as whole thread pool
Whole threads when being at wait state, whole thread pool is just without the request of other action types of thread process.
And the method for the thread distribution provided by the present invention based on NFS, can be first by different operation classes
Type will ask to be put into different request queues, then the request call number by the thread in thread pool in each request queue
According to storehouse.When the calling of a certain action type in database occurs abnormal, asking in some request queue is only influenced whether
The execution asked, the request without influencing whether all operationss type.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
It refer to Fig. 1, the flow chart for the first thread distribution method that Fig. 1 is provided by the embodiment of the present invention, this method
Including：
S101：By the multiple requests received asking according to corresponding to the action type of request is put into multiple and action type
Ask queue.
In this step, the server based on NFS can receive multiple requests sended over by client,
Include action type in the request, server can enter according to the request to data stored in the database of server
Row calls, and performs respective operations according to the action type of the request.Specific action type include write, read,
Getattr, create, mkdir, mount, readlink etc., also include other action types certainly, do not do have herein
The restriction of body.
In this step, different request queues can be provided with advance for different action types, in request queue
The request that one or more possess specific action type is only deposited, can be according to request after server receives request
The request is put into corresponding request queue by action type.The specific setting of request queue is related to, will be in following embodiments
In be described in detail, will not be repeated here.
In embodiments of the present invention, request is received typically by RPC (remote procedure call protocol) layer in server,
And the request received is classified by RPC layers, will request according to action type be put into the action type corresponding to
Request queue.
S102：By the thread in thread pool corresponding to request queue, the request call database in request queue
Perform respective operations.
In this step, after request is placed into request queue, in the thread pool that can be connected with the request queue
Thread is obtained successively according to the sequencing for being put into request queue, and thread meeting according to the request call database got and is held
Operated corresponding to row.The operation includes the reading and writing corresponding with aforesaid operations type, obtains file attribute, establishes catalogue etc.
Deng.
In embodiments of the present invention, the operation class included by the request that each request queue can obtain can be pre-set
Type, and some parameters for the thread pool being connected with request queue are set, it is included in parameter during transmission data, Yi Jike
With the upper limit of the number of the thread pool of foundation, and number of thread possessed when just receiving request etc..Logical
In the case of often, thread pool can be according to the state of itself, such as pressure of work at present etc., and the behaviour of acquired request
Thread is created as type.More specifically, thread pool can obtain the number asked in the request queue being connected with oneself, if
The number of the request is more than numerical value set in advance, will create new thread to work.
Certainly, above-mentioned thread pool can also can not automatically create thread, and the thread pre-set can only be controlled to carry out
Work, is not specifically limited herein.
In embodiments of the present invention, data of the database for server in storage network file system, and thread
Operated corresponding to being performed according to the action type included by the request got to corresponding data in database.Generally come
Say, the database is Lib databases, naturally it is also possible to is other databases, is not specifically limited herein.
A kind of method for thread distribution based on NFS that the embodiment of the present invention is provided, can be first by difference
Action type by ask be put into different request queues, then by the thread in thread pool in each request queue please
Seek calling database.When the calling of a certain action type in database occurs abnormal, some request team is only influenced whether
The execution of request in row, the request without influencing whether all operationss type.
In the present invention, the set-up mode on request queue has many kinds, is described in detail in the following embodiments.
It refer to Fig. 2, the flow chart for second of thread distribution method that Fig. 2 is provided by the embodiment of the present invention, this method
Including：
S201：By the multiple requests received asking according to corresponding to the action type of request is put into multiple and action type
Ask queue.
In embodiments of the present invention, the set-up mode on request queue can be that any action type is corresponding
In a request queue, i.e., for each action type, a request queue corresponding with the action type is provided with,
After request is received, the request can be put into and the request queue corresponding to the action type of the request.When certain in database
When a kind of calling of action type occurs abnormal, a line being connected with the request queue corresponding to the action type is only had
There is exception in Cheng Chi, and the thread pool can thread pool that is occupied, and being connected with corresponding to the request queue of other action types
Be not in occupied situation, now only can occur this abnormal a kind of request of action type can not be processed, and its
His request of action type is all unaffected.
But the above-mentioned set-up mode on request queue is provided with too many request queue, but some is operated
The operating frequency of type is than relatively low, i.e., the frequency that some action type occurs during specifically used is than relatively low.
For operating frequency than relatively low action type, it is not necessary to which the request for being directed to such every kind of action type individually establishes one
Request queue, but multiple operating frequencies can be directed to and create a corresponding request team than relatively low action type
Row, for placing the request with operating frequency than relatively low action type.Concretely, the set-up mode on request queue
Can be that any operating frequency both corresponds to a request queue, all operationss higher than the action type of frequency set in advance
Frequency corresponds to a request queue less than the action type of frequency set in advance.
Of course, it is possible to certain several operating frequency is selected less than the action type of frequency set in advance, corresponding to the choosing
The action type selected sets corresponding request queue, such as one shares the operating frequency of 5 kinds of action types less than set in advance
Frequency, 3 kinds of action types therein can be now selected, 1 request queue is set corresponding to 3 kinds of action types, and it is right
In remaining 2 kinds of request types, one-to-one request queue is respectively arranged with.It can also be for operating frequency less than advance
The action type of the frequency of setting, provided with the request queue fewer than the action type number, by including the action type
Request is put into the request queue at random.No matter the number of which kind of correspondence setting request queue is used, as long as ensureing request
The number of queue is less than the number of action type.
Except the above-mentioned set-up mode on request queue, there can also be other set-up modes, not do specific limit herein
It is fixed, as long as the set-up mode for ensureing request queue is correspondingly arranged according to the action type of request.It is thin to be related to other
Section, S101 is described in detail in the above-described embodiments, is no longer repeated herein.
S202：Judge whether there is request in request queue by the thread in thread pool corresponding to request queue.
In this step, thread in thread pool can timing either not timing judge whether ask the visitor in request queue
Ask, if the determination result is YES, then perform S203；If judged result is no, S204 is performed.
S203：The request is deleted by thread, and handled according to the request call Lib databases.
In this step, the request can be first deleted, to ensure that other threads can timely obtain this in thread pool
Subsequent request in request queue.
In embodiments of the present invention, the database is Lib databases.
S204：Thread enters suspended state.
In this step, if not asked in request queue, thread can enter suspended state, so as to reduce to whole service
The consumption of device resource.
S205：When database is stopped, destroying threads.
In this step, when database is stopped, meeting destroying threads, to discharge the resource of whole server.
A kind of method for thread distribution based on NFS that the embodiment of the present invention is provided, can be directed to any
Kind operating frequency both corresponds to a request queue higher than the action type of frequency set in advance, and all operationss frequency is less than pre-
The action type of the frequency first set corresponds to a request queue.It can now ensure as far as possible when a certain in database
When the calling of kind action type occurs abnormal, while not influenceing the calling of other action types as far as possible, system resource is reduced
Waste；The embodiment of the present invention can not also have in harness thread to enter suspended state by allowing, and by closing database
When destroying threads method, further discharge resource, reduce the waste of system resource.
Thread distributor provided in an embodiment of the present invention is introduced below, thread distributor described below with
Above-described thread distribution method can be mutually to should refer to.
Fig. 3 is a kind of structured flowchart of thread distributor provided in an embodiment of the present invention, reference picture 3, thread distribution
Device can include：
Sort module 100：For the multiple requests received to be put into multiple and institute according to the action type of the request
State the request queue corresponding to action type.
Processing module 200：By the thread in thread pool corresponding to the request queue, according in the request queue
Request call database performs respective operations.
In embodiments of the present invention, processing module 200 may further include：
Judging unit 201：For judging the request queue by the thread in thread pool corresponding to the request queue
In whether have request.
Call unit 202：For the judged result according to the judging unit, if so, the request is then deleted, and according to
The request call Lib databases are handled, if it is not, then entering suspended state.
In embodiments of the present invention, thread distributor may further include：
Destroy module 300：For when the database is stopped, destroying the thread.
In embodiments of the present invention, sort module 100 can be specifically used for：
By request team of the request received according to corresponding to being put into the action type action type of the request
Row, any operating frequency both correspond to a request queue, all operationss frequency higher than the action type of frequency set in advance
Rate corresponds to a request queue less than the action type of the frequency set in advance.
A kind of thread assigned unit based on NFS of the present embodiment is used to realize that foregoing one kind is based on
The method of the thread distribution of NFS, therefore the visible thread hereinbefore of embodiment in thread distributor
The embodiment part of distribution method, for example, sort module 100, processing module 200, are respectively used to realize above-mentioned thread distribution side
Step S101, S102 in method, so, its embodiment is referred to the description of corresponding various pieces embodiment, herein
Repeat no more.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The method and device distributed above a kind of thread based on NFS provided by the present invention are carried out
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. method of the thread distribution based on NFS, it is characterised in that methods described includes：By the multiple requests received asking according to corresponding to the action type of the request is put into the multiple and action type Ask queue；By the thread in thread pool corresponding to the request queue, the request call database in the request queue is held Row respective operations.
- 2. according to the method for claim 1, it is characterised in that described by thread pool corresponding to the request queue Thread, the request call database in the request queue, which performs respective operations, to be included：Judge whether there is request in the request queue by the thread in thread pool corresponding to the request queue；If so, then deleting the request, and handled according to the request call Lib databases, shape is hung up if it is not, then entering State.
- 3. according to the method for claim 2, it is characterised in that described by thread pool corresponding to the request queue Thread, the request call database in the request queue, which performs respective operations, to be included：By the thread in thread pool corresponding to the request queue, the request call database in the request queue is held Row respective operations, the thread pool create thread according to the state of itself and the action type.
- 4. according to the method for claim 1, it is characterised in that methods described further comprises：When the database is stopped, the thread is destroyed.
- 5. according to the method described in any one of Claims 1-4 claim, it is characterised in that described multiple by what is received Ask according to the action type of the request be put into it is multiple with the action type corresponding to request queue include：By the multiple requests received asking according to corresponding to the action type of the request is put into the multiple and action type Queue is asked, any action type both corresponds to a request queue.
- 6. according to the method described in any one of Claims 1-4 claim, it is characterised in that described multiple by what is received Ask according to the action type of the request be put into it is multiple with the action type corresponding to request queue include：By the multiple requests received asking according to corresponding to the action type of the request is put into the multiple and action type Queue is asked, any operating frequency respectively corresponds to a request queue higher than the action type of frequency set in advance, entirely Portion's operating frequency corresponds to same request queue less than the action type of the frequency set in advance.
- 7. a kind of thread assigned unit based on NFS, it is characterised in that described device includes：Sort module：For the multiple requests received to be put into the multiple and operation class according to the action type of the request Request queue corresponding to type；Processing module：By the thread in thread pool corresponding to the request queue, the request in the request queue is adjusted Respective operations are performed with database.
- 8. device according to claim 7, it is characterised in that the processing module includes：Judging unit：For judging whether have in the request queue by the thread in thread pool corresponding to the request queue Request；Call unit：For the judged result according to the judging unit, if so, then deleting the request, and asked according to described Ask and call Lib databases to be handled, if it is not, then entering suspended state.
- 9. device according to claim 7, it is characterised in that described device further comprises：Destroy module：For when the database is stopped, destroying the thread.
- 10. according to the device described in any one of claim 7 to 9 claim, it is characterised in that the sort module is specifically used In：By the multiple requests received asking according to corresponding to the action type of the request is put into the multiple and action type Queue is asked, any operating frequency respectively corresponds to a request queue higher than the action type of frequency set in advance, entirely Portion's operating frequency corresponds to same request queue less than the action type of the frequency set in advance.
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Cited By (5)
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| CN108984779A (en) * | 2018-07-25 | 2018-12-11 | 郑州云海信息技术有限公司 | Distributed file system snapshot rollback metadata processing method, device and equipment |
| CN109101330A (en) * | 2018-08-06 | 2018-12-28 | 百度在线网络技术（北京）有限公司 | Data capture method, device and system |
| CN110515711A (en) * | 2019-08-09 | 2019-11-29 | 苏州浪潮智能科技有限公司 | The processing method and processing device of operation requests |
| CN111625560A (en) * | 2019-02-28 | 2020-09-04 | 北京沃东天骏信息技术有限公司 | Information processing method, device, medium and electronic equipment |
| CN113360525A (en) * | 2021-08-10 | 2021-09-07 | 支付宝(杭州)信息技术有限公司 | Query request processing method, device and equipment and key value query system |
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