CN106775994A - The method and device of a kind of metadata cluster catalogue scheduling - Google Patents
The method and device of a kind of metadata cluster catalogue scheduling Download PDFInfo
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- CN106775994A CN106775994A CN201710113029.4A CN201710113029A CN106775994A CN 106775994 A CN106775994 A CN 106775994A CN 201710113029 A CN201710113029 A CN 201710113029A CN 106775994 A CN106775994 A CN 106775994A
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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
- G06F9/48—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
Abstract
The invention discloses the method and device of a kind of scheduling of metadata cluster catalogue, by obtaining the multiple metadata requests comprising directory entry title；According to above-mentioned directory entry title, searching out corresponding record to monocular in advance by predetermined manner carries out the specific item recording segments that division operation is obtained；According to the information of above-mentioned specific item recording segments, above-mentioned metadata request is distributed to corresponding Metadata Service, so that corresponding above-mentioned Metadata Service carries out concurrent processing to multiple above-mentioned metadata requests.Catalogue is divided into multiple specific item recording segments in advance, multiple specific item recording segments are concurrently loaded into metadata cluster again, will multiple metadata requests, according to the message scheduling for being included to correspondence Metadata Service, multiple Metadata Services can constitute metadata cluster, so that metadata cluster can be concurrent to realize monocular record with concurrent processing multiple metadata request.It can be seen that, the application is conducive to improving single directory metadata performance.
Description
Technical field
The present invention relates to metadata technique field, the method and dress of more particularly to a kind of metadata cluster catalogue scheduling
Put.
Background technology
With increasing for mass file application, increasing non-structural file needs storage, and metadata catalog is exactly
One kind therein.
Metadata can refer to the data of data, that is, describe the specifying information of data, the title of such as file, size, day
Phase, attribute, extended attribute etc..Catalogue and file have metadata, and the metadata of catalogue is more to be managed tree hierarchies and wrapped
Subdirectory, the file for containing.And the management of metadata is mainly based upon Metadata Service, multiple Metadata Services can be managed into
One cluster, forms metadata cluster.
At present, the performance boost of metadata cluster and load is mainly metadata cluster static state subtree subregion and metadata cluster
Dynamic subtree subregion, it is loaded using the logical independence of directory tree, to realize the linear expansion of performance.But,
This mode can not realize that monocular records the extension of performance, it is impossible to solve single directory metadata performance issue, i.e., when a large amount of metadata
Request is fallen into when in single catalogue, because monocular record can not be loaded as subdirectory tree, the metadata for causing monocular to be recorded
Performance is relatively low.Therefore the problem for how improving single directory metadata performance is this area problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide the method and device of a kind of scheduling of metadata cluster catalogue, it is therefore intended that solve existing
There is the relatively low problem of single directory metadata performance in technology.
In order to solve the above technical problems, the present invention provides a kind of method of metadata cluster catalogue scheduling, the method includes：
Obtain the multiple metadata requests comprising directory entry title；
According to the directory entry title, searching out corresponding record to monocular in advance by predetermined manner carries out division operation and obtains
The specific item recording segments for arriving；
According to the information of the specific item recording segments, the metadata request is distributed to corresponding Metadata Service, so that
The corresponding Metadata Service carries out concurrent processing to multiple metadata requests.
Alternatively, the information according to the specific item recording segments, corresponding unit's number is distributed to by the metadata request
According to service, so that the corresponding Metadata Service carries out concurrent processing and includes to multiple metadata requests：
According to the identification information of the specific item recording segments, and believe with the pre-bound Metadata Service of the specific item recording segments
Breath, searches out the corresponding Metadata Service；
The metadata request is sent to the corresponding Metadata Service.
Alternatively, it is described according to the directory entry title, by predetermined manner search out it is corresponding monocular is recorded in advance into
The specific item recording segments that row division operation is obtained include：
According to the directory entry title, searched out using Hash calculation corresponding carried out division operation and obtains to monocular record in advance
The specific item recording segments for arriving.
Alternatively, also included before the multiple metadata requests for obtaining and including directory entry title：
Receive directory creating request；
According to the Metadata Service number in directory creating request and metadata cluster, the monocular is recorded and is divided
It is the specific item recording segments of predetermined number；
Each described specific item recording segments is bound with corresponding Metadata Service.
Alternatively, in the Metadata Service number according in the request to create and metadata cluster, will be described
Monocular record is divided into the specific item recording segments of predetermined number, also includes afterwards：
The character title of the specific item recording segments is set to Hash, to realize the independent name of each specific item recording segments
Space, opposite logical independence and information independent statistics.
Additionally, present invention also offers a kind of device of metadata cluster catalogue scheduling, the device includes：
Acquisition module, for obtaining the multiple metadata requests comprising directory entry title；
Module is found, for according to the directory entry title, being searched out by predetermined manner corresponding in advance to monocular record
Carry out the specific item recording segments that division operation is obtained；
Concurrent processing module, for the information according to the specific item recording segments, the metadata request is distributed to accordingly
Metadata Service so that the corresponding Metadata Service carries out concurrent processing to multiple metadata requests.
Alternatively, the concurrent processing module includes：
Find unit, for the identification information according to the specific item recording segments, and with the specific item recording segments pre-binding
Metadata Service information, search out the Metadata Service；
Transmitting element, for the metadata request to be sent to the Metadata Service.
Alternatively, the searching module includes：
Hash finds unit, for according to the directory entry title, being searched out using Hash calculation corresponding in advance to list
Catalogue carries out the specific item recording segments that division operation is obtained.
Alternatively, also include：
Receiver module, for receiving directory creating request；
Division module, for according to the Metadata Service number in directory creating request and metadata cluster, inciting somebody to action
The monocular record is divided into the specific item recording segments of predetermined number；
Binding module, for each described specific item recording segments to be bound with corresponding Metadata Service.
Alternatively, also include：
Character title setting module, for the character title of the specific item recording segments to be set into Hash, to realize each institute
State independent NameSpace, opposite logical independence and the information independent statistics of specific item recording segments.
The method and device of a kind of metadata cluster catalogue scheduling provided by the present invention, directory entry is included by obtaining
Multiple metadata requests of title；According to above-mentioned directory entry title, searched out by predetermined manner corresponding in advance to monocular record
Carry out the specific item recording segments that division operation is obtained；According to the information of above-mentioned specific item recording segments, above-mentioned metadata request is distributed to
Corresponding Metadata Service, so that corresponding above-mentioned Metadata Service carries out concurrent processing to multiple above-mentioned metadata requests.Will
Catalogue is divided into multiple specific item recording segments in advance, then multiple specific item recording segments are concurrently loaded into metadata cluster, will be multiple
Metadata request, according to the message scheduling for being included to correspondence Metadata Service, multiple Metadata Services can constitute metadata
Cluster so that metadata cluster can be concurrent to realize monocular record with concurrent processing multiple metadata request.It can be seen that, the application has
Beneficial to the single directory metadata performance of raising.
Brief description of the drawings
For the clearer explanation embodiment of the present invention or the technical scheme of prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for technology description is briefly described, 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.
A kind of stream of the specific embodiment of the metadata cluster catalogue dispatching method that Fig. 1 is provided by the embodiment of the present invention
Journey schematic diagram；
The structured flowchart of the metadata cluster catalogue dispatching device that Fig. 2 is provided by the embodiment of the present invention.
Specific embodiment
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 a part of embodiment of the 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.
Refer to Fig. 1, a kind of specific reality of the metadata cluster catalogue dispatching method that Fig. 1 is provided by the embodiment of the present invention
The schematic flow sheet of mode is applied, the method is comprised the following steps：
Step 101：Obtain the multiple metadata requests comprising directory entry title；
It should be noted that above-mentioned metadata request should include corresponding directory entry title, certainly, each metadata request
Comprising directory entry title identical, or can differ.
In some embodiments of the invention, can be with before the multiple metadata requests comprising directory entry title are obtained
Including：Receive directory creating request；According to the Metadata Service number in directory creating request and metadata cluster, will
The monocular record is divided into the specific item recording segments of predetermined number；Each described specific item recording segments is taken with corresponding metadata
Business is bound.
It is understood that above-mentioned directory creating request can refer to the establishment instruction of user input.Receive catalogue wound
Build request after, burst can be carried out to catalogue, will catalogue be divided into multiple specific item recording segments.And the number of specific item recording segments can
To be determined by the Metadata Service number in current meta data cluster, i.e., the numerical value of above-mentioned predetermined number can have current unit's number
According to the Determines of cluster, namely can according to the number of the metadata service module in current meta data cluster number, come
Determine to create how many sub- catalogue fragments.Certainly, the number of specific item recording segments can also be specified by user, i.e., user can be in wound
When building catalogue, the specific item recording segments number created needed for limiting.
After catalogue to be divided into multiple specific item recording segments, i.e., after the burst for creating respective numbers, can respectively
Individual sub- catalogue fragment is bound with corresponding metadata service module, will specific item recording segments load to corresponding metadata clothes
Business module.
It is understood that a Metadata Service can correspond to a sub- catalogue fragment, i.e. each Metadata Service only
A burst can be loaded.
In order to realize that each Metadata Service can be with concurrent processing metadata request, it is necessary to realize each specific item recording segments
Logically independent, in some embodiments of the invention, its process can be specially：The character title of the specific item recording segments is set
It is Hash, to realize independent NameSpace, opposite logical independence and the information independent statistics of each specific item recording segments.
It should be noted that the title of specific item recording segments is set into Hash, directory name can be first accumulated as one admittedly
The numeral of measured length, then Hash calculation is carried out to the numeral.And the technology that Hash calculation is well known to those skilled in the art,
This is repeated no more.
Step 102：According to the directory entry title, corresponding record to monocular in advance is searched out by predetermined manner and is drawn
The specific item recording segments for dividing operation to obtain；
Specifically, the directory entry title that can be included according to metadata request, determines the corresponding son of the metadata request
Catalogue fragment.
In some embodiments of the invention, corresponding specific item recording segments, its process can be found by hash mode
Can be specially：According to the directory entry title, searching out corresponding record to monocular in advance using Hash calculation carries out division behaviour
The specific item recording segments that work is obtained.
It should be noted that it is technology well-known to those skilled in the art to find specific item recording segments by Hash calculation,
Will not be repeated here.
Step 103：According to the information of the specific item recording segments, the metadata request is distributed to corresponding metadata clothes
Business, so that the corresponding Metadata Service carries out concurrent processing to multiple metadata requests.
Specifically, by the information of specific item recording segments, i.e. burst information, the corresponding Metadata Service of burst is determined, will
Metadata request is sent to corresponding Metadata Service, and so, Metadata Service can then enter to multiple metadata requests simultaneously
Row concurrent processing, that is, realize concurrent scheduling.
In some embodiments of the invention, the process that metadata request is transmitted to corresponding Metadata Service can be had
Body is:According to the identification information of the specific item recording segments, and with the pre-bound Metadata Service information of the specific item recording segments,
Search out the corresponding Metadata Service；The metadata request is sent to the corresponding Metadata Service.
It is understood that above-mentioned identification information and Metadata Service information can refer to create burst, it is and corresponding
Relevant information when Metadata Service is bound, the corresponding Metadata Service of metadata request can be determined by the information.
The method of the metadata cluster catalogue scheduling that the embodiment of the present invention is provided, by obtaining comprising directory entry title
Multiple metadata requests；According to above-mentioned directory entry title, corresponding record to monocular in advance is searched out by predetermined manner and is drawn
The specific item recording segments for dividing operation to obtain；According to the information of above-mentioned specific item recording segments, above-mentioned metadata request is distributed to accordingly
Metadata Service, so that corresponding above-mentioned Metadata Service carries out concurrent processing to multiple above-mentioned metadata requests.Catalogue is pre-
Multiple specific item recording segments are first divided into, then multiple specific item recording segments are concurrently loaded into metadata cluster, will multiple metadata
Request, according to the message scheduling for being included to correspondence Metadata Service, multiple Metadata Services can constitute metadata cluster, make
Metadata cluster is obtained to expand to play the horizontal of metadata cluster catalogue process performance with concurrent processing multiple metadata requests
Exhibition.It can be seen that, the method is conducive to improving single directory metadata performance.
Metadata cluster catalogue dispatching device provided in an embodiment of the present invention is introduced below, first number described below
Can be mutually to should refer to above-described metadata cluster catalogue dispatching method according to cluster catalogue dispatching device.
The structured flowchart of the metadata cluster catalogue dispatching device that Fig. 2 is provided by the embodiment of the present invention, 2 yuan of numbers of reference picture
Can include according to cluster catalogue dispatching device：
Acquisition module 201, for obtaining the multiple metadata requests comprising directory entry title；
Module 202 is found, for according to the directory entry title, being searched out by predetermined manner corresponding in advance to monocular
Record carries out the specific item recording segments that division operation is obtained；
Concurrent processing module 203, for the information according to the specific item recording segments, phase is distributed to by the metadata request
The Metadata Service answered, so that the corresponding Metadata Service carries out concurrent processing to multiple metadata requests.
Alternatively, the concurrent processing module includes：
Find unit, for the identification information according to the specific item recording segments, and with the specific item recording segments pre-binding
Metadata Service information, search out the Metadata Service；
Transmitting element, for the metadata request to be sent to the Metadata Service.
Alternatively, the searching module includes：
Hash finds unit, for according to the directory entry title, being searched out using Hash calculation corresponding in advance to list
Catalogue carries out the specific item recording segments that division operation is obtained.
Alternatively, also include：
Receiver module, for receiving directory creating request；
Division module, for according to the Metadata Service number in directory creating request and metadata cluster, inciting somebody to action
The monocular record is divided into the specific item recording segments of predetermined number；
Binding module, for each described specific item recording segments to be bound with corresponding Metadata Service.
Alternatively, also include：
Character title setting module, for the character title of the specific item recording segments to be set into Hash, to realize each institute
State independent NameSpace, opposite logical independence and the information independent statistics of specific item recording segments.
The device of the metadata cluster catalogue scheduling that the embodiment of the present invention is provided, catalogue is divided into multiple specific items in advance
Recording segments, then multiple specific item recording segments are concurrently loaded into metadata cluster, will multiple metadata requests, according to what is included
To correspondence Metadata Service, multiple Metadata Services can constitute metadata cluster for message scheduling so that metadata cluster can be with
Concurrent processing multiple metadata request, to play the extending transversely of metadata cluster catalogue process performance.It can be seen that, the device is favourable
In the single directory metadata performance of raising.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For being filled 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
Illustrate.
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, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
The step of method or algorithm for being described with reference to the embodiments described herein, directly can be held with hardware, processor
Capable software module, or the two combination is 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 field in known any other form of storage medium.
The method and device to metadata cluster catalogue provided by the present invention scheduling are described in detail above.This
Apply specific case in text to be set forth principle of the invention and implementation method, the explanation of above example is only intended to
Help understands the method for the present invention and its core concept.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of method that metadata cluster catalogue is dispatched, it is characterised in that including：
Obtain the multiple metadata requests comprising directory entry title；
According to the directory entry title, searching out corresponding record to monocular in advance by predetermined manner carries out what division operation was obtained
Specific item recording segments；
According to the information of the specific item recording segments, the metadata request is distributed to corresponding Metadata Service, so that accordingly
The Metadata Service concurrent processing is carried out to multiple metadata requests.
2. the method for claim 1, it is characterised in that the information according to the specific item recording segments, by the unit
Request of data is distributed to corresponding Metadata Service, so that the corresponding Metadata Service enters to multiple metadata requests
Row concurrent processing includes：
According to the identification information of the specific item recording segments, and with the pre-bound Metadata Service information of the specific item recording segments,
Search out the corresponding Metadata Service；
The metadata request is sent to the corresponding Metadata Service.
3. the method for claim 1, it is characterised in that described according to the directory entry title, is sought by predetermined manner
Find corresponding carry out the specific item recording segments that division operation obtains to monocular record and includes in advance：
According to the directory entry title, searching out corresponding record to monocular in advance using Hash calculation carries out what division operation was obtained
Specific item recording segments.
4. the method as described in any one of claims 1 to 3, it is characterised in that it is described obtain comprising directory entry title it is many
Also include before individual metadata request：
Receive directory creating request；
According to the Metadata Service number in directory creating request and metadata cluster, monocular record is divided into pre-
If the specific item recording segments of quantity；
Each described specific item recording segments is bound with corresponding Metadata Service.
5. method as claimed in claim 4, it is characterised in that described according in the request to create and metadata cluster
Metadata Service number, monocular record is divided into the specific item recording segments of predetermined number, also include afterwards：
The character title of the specific item recording segments is set to Hash, it is empty with the independent name for realizing each specific item recording segments
Between, opposite logical independence and information independent statistics.
6. the device that a kind of metadata cluster catalogue is dispatched, it is characterised in that including：
Acquisition module, for obtaining the multiple metadata requests comprising directory entry title；
Module is found, for according to the directory entry title, searching out corresponding record to monocular in advance by predetermined manner to be carried out
The specific item recording segments that division operation is obtained；
Concurrent processing module, for the information according to the specific item recording segments, corresponding unit is distributed to by the metadata request
Data, services, so that the corresponding Metadata Service carries out concurrent processing to multiple metadata requests.
7. device as claimed in claim 6, it is characterised in that the concurrent processing module includes：
Find unit, for the identification information according to the specific item recording segments, and with the pre-bound unit of specific item recording segments
Data service information, searches out the Metadata Service；
Transmitting element, for the metadata request to be sent to the Metadata Service.
8. device as claimed in claim 6, it is characterised in that the searching module includes：
Hash finds unit, for according to the directory entry title, being searched out using Hash calculation corresponding in advance to monocular record
Carry out the specific item recording segments that division operation is obtained.
9. the device as described in any one of claim 6 to 8, it is characterised in that also include：
Receiver module, for receiving directory creating request；
Division module, for according to the Metadata Service number in directory creating request and metadata cluster, by described in
Monocular record is divided into the specific item recording segments of predetermined number；
Binding module, for each described specific item recording segments to be bound with corresponding Metadata Service.
10. device as claimed in claim 9, it is characterised in that also include：
Character title setting module, for the character title of the specific item recording segments to be set into Hash, to realize each son
The independent NameSpace of catalogue fragment, opposite logical independence and information independent statistics.
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| CN110389940A (en) * | 2019-07-19 | 2019-10-29 | 苏州浪潮智能科技有限公司 | A kind of data balancing method, device and computer readable storage medium |
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Application publication date: 20170531 |