CN101699436A - Method, device and system for resource management - Google Patents
Method, device and system for resource management Download PDFInfo
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- CN101699436A CN101699436A CN200910205472A CN200910205472A CN101699436A CN 101699436 A CN101699436 A CN 101699436A CN 200910205472 A CN200910205472 A CN 200910205472A CN 200910205472 A CN200910205472 A CN 200910205472A CN 101699436 A CN101699436 A CN 101699436A
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Abstract
The invention discloses a method, device and system for resource management. The method comprises the following steps: a metadata server receives a first request message, wherein the first request message is used for requesting the position information of a data block; the metadata server acquires the pre-stored position information of the data block according to the first request message and sends a second request message to the data server where the data block is positioned according to the position information, wherein the second request message is used for requesting bandwidth resources required for dispatching the data block; and the metadata server sends the position information and the information of the bandwidth resources to a client so that the client can dispatch the data block. The invention can enable the bandwidth resources to be more reasonably utilized, thereby preventing the business tier from being influenced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of resource management method, device and system.
Background technology
Distributed file system is widely used in IPTV (Internet ProtocolTelevision, abbreviate IPTV as), in the professional server such as video, be used to manage the storage of the interior data of individual node (each node provides service for a zone or a part of user) and read.Along with the raising of user's request, need data quantity stored also increasing in the service application, individual node will provide complete service to need the storage space of magnanimity.In the increasing situation of user, need more node that service is provided simultaneously,, will cause the cost of whole layout to increase substantially if each node all provides complete service.
In order to address this problem, the scheduling of the middle employing data block between distributed document usually.The i.e. metadata of document retaining in each file system, and its data block is distributed to different nodes, and when the user is actual when bringing into use this file is just come the middle data block scheduling of the file system of other nodes.
Use said method, thereby the storage space that can save individual node in a large number reaches the purpose that reduces cost.But because the traditional distributed file system is all based on Intranet transmission data, Internet resources are not adopted effectively management and control, if the data block of schedule file system between the frequent node of business, impact owing to taking to operation layer in a large number of Internet resources probably, thereby bring influence to user experience.
The problem that impacts of giving operation layer that often takies in a large number at Internet resources in the correlation technique does not propose effective solution at present as yet.
Summary of the invention
At often the taking the problem that impacts of giving operation layer in a large number and propose the present invention of Internet resources, for this reason, fundamental purpose of the present invention is to provide a kind of resource management method, device and system, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of resource management method.
According to resource management method of the present invention, be applied to the distributed file system of cross-node, this method comprises: meta data server receives first request message that client is initiated, and wherein, first request message is used for the positional information of requested data block; Meta data server obtains the positional information of data blocks stored in advance according to first request message, and send second request message according to the data server of positional information to the data block place, wherein, second request message is used for the needed bandwidth resources of request scheduling data block; Meta data server obtains the information of the bandwidth resources of distribution, and the information of positional information and bandwidth resources is sent to client, so that client is dispatched data block according to the information of positional information and bandwidth resources.
Preferably, meta data server comprises the meta data server of client terminal local and the meta data server of client far-end, and meta data server obtains in advance according to first request message that the positional information of data blocks stored comprises: the meta data server of client terminal local receives first request message from client; Under the situation of the positional information failure of the meta data server read block of client terminal local, the meta data server of client terminal local sends first request message to the meta data server of client far-end; The meta data server of client far-end obtains the positional information of data blocks stored in advance according to first request message.
Preferably, at the meta data server of client terminal local after the meta data server of client far-end sends first request message, this method also comprises: under the positional information case of successful of the meta data server reading database of client far-end, the meta data server of client far-end sends second request message to the data server at data block place.
Preferably, meta data server is after receiving bandwidth resources, the positional information that will contain the data block of bandwidth resources is sent to client and comprises: be under the situation of meta data server of client far-end at meta data server, the positional information that meta data server will contain the data block of bandwidth resources is sent to the meta data server of client terminal local; The positional information that the meta data server of client terminal local will contain the data block of bandwidth resources is sent to client.
Preferably, after meta data server was sent to client with the information of positional information and bandwidth resources, this method also comprised: client is dispatched data block according to the positional information that contains the data block of bandwidth resources; Client sends a notification message to meta data server, and wherein, notification message is used to notify the positional information to data block to upgrade; Data server to the data block place after the notified message of meta data server sends the 4th request message, and the 4th request message is used for request to be upgraded the data block corresponding bandwidth resource.
Preferably, meta data server is received after the updating message that data server to the data block place sends a request message and comprised: the meta data server of client terminal local receives notification message; The meta data server of client terminal local sends a request message to the meta data server of client far-end.
To achieve these goals, according to a further aspect in the invention, provide a kind of device of resource management, this device can comprise meta data server and client.
Meta data server according to the present invention comprises: memory module is used to store the positional information of data block; Receiver module is used to receive request message, and wherein, request message is used for the positional information of requested data block; First sending module is used to send first request message, and wherein, first request message is used for the bandwidth resources of request scheduling data block needs; Second sending module is used to send bandwidth resources.
Preferably, above-mentioned meta data server also comprises: the 3rd sending module, be used to send a notification message, and wherein, the notification message user notification upgrades the positional information of data block.
Client according to the present invention comprises: sending module, be used to send first request message, and wherein, first request message is used for the positional information of requested data block; Receiver module is used for the needed bandwidth resources of receiving scheduling data block; Scheduler module is used for according to the positional information that contains the data block of bandwidth resources data block being dispatched.
To achieve these goals, according to a further aspect in the invention, provide a kind of system of resource management.
System according to resource management of the present invention comprises: data server is used to store data block; Meta data server is used to store the positional information of data block and to the needed bandwidth resources of data server request scheduling database; Client is used for according to the positional information that contains the data block of bandwidth resources data block being dispatched.
By the present invention, adopt meta data server to receive first request message, wherein, first request message is used for the positional information of requested data block; Meta data server obtains the positional information of data blocks stored in advance according to first request message, and send second request message according to the data server of positional information to the data block place, wherein, second request message is used for the needed bandwidth resources of request scheduling data block; Meta data server is sent to client with the information of positional information and bandwidth resources, so that client is dispatched data block, solved the problem that impacts of giving operation layer that often takies in a large number of Internet resources, and then reached and make bandwidth resources can access more reasonable utilization, avoid the effect that operation layer is impacted.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram according to the resource management method of the embodiment of the invention;
Fig. 2 is the synoptic diagram according to the system of the resource management of the embodiment of the invention;
Fig. 3 is the interaction diagrams according to the preferred resource management method of the embodiment of the invention;
Fig. 4 is the process flow diagram according to the preferred resource management method of the embodiment of the invention;
Fig. 5 is the synoptic diagram according to the preferred meta data server of the embodiment of the invention;
Fig. 6 is the synoptic diagram according to the preferred client of the embodiment of the invention.
Embodiment
Functional overview
Consider that often taking in a large number of Internet resources give impacting of operation layer, the embodiment of the invention provides a kind of resource management method, device and system, this method comprises: meta data server receives first request message that client is initiated, wherein, first request message is used for the positional information of requested data block; Meta data server obtains the positional information of data blocks stored in advance according to first request message, and send second request message according to the data server of positional information to the data block place, wherein, second request message is used for the needed bandwidth resources of request scheduling data block; Meta data server obtains the information of the bandwidth resources of distribution, and the information of positional information and bandwidth resources is sent to client, so that client is dispatched data block according to the information of positional information and bandwidth resources.
The present invention can comprise following content:
1, file resource management process: manage all file resource requests, and the resource of current distribution is managed, guarantee the No Assets leakage from the initiation of file access client.
2, file resource application process: when the file access client is initiated to fetch data the piece position requests,, guarantee to dispatch and correctly carry out promptly simultaneously to the resource of the certain quota of resource database request.
3, file resource dispose procedure: when file access client end use contains the data block of resource quota, give back used resource, guarantee the reusable of resource to resource database.
Preferably, each part mentioned above can be finished resource management alternately by following:
When the file access client after meta data server initiates to fetch data the operation of piece position, initiate a resource bid process by meta data server at this data block, after the resource bid success, just successful return data piece positional information, and the operation of finishing.
Resource is invisible to the file access client, manage by the file resource management process, the user is each to be used when containing the data block of resource quota, initiates a notification message that this data block is upgraded simultaneously, and is upgraded the resource items of this data block correspondence by the file resource management process.Meanwhile the file resource management process constantly regularly discharges the resource that does not obtain upgrading, thereby guarantees that the resource that does not re-use reclaims rapidly.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Method embodiment
According to embodiments of the invention, a kind of resource management method, device and system are provided.
Fig. 1 is the process flow diagram according to the resource management method of the embodiment of the invention.
As shown in Figure 1, this method comprises that following step S102 is to step S106:
Step S102, meta data server receives first request message that client is initiated, and wherein, first request message is used for the positional information of requested data block;
Step S104, meta data server obtains the positional information of data blocks stored in advance according to first request message, and send second request message according to the data server of positional information to the data block place, wherein, second request message is used for the needed bandwidth resources of request scheduling data block;
Step S106, meta data server obtain the information of the bandwidth resources of distribution, and the information of positional information and bandwidth resources is sent to client, so that client is dispatched data block according to the information of positional information and bandwidth resources.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Fig. 3 is the interaction diagrams according to the preferred resource management method of the embodiment of the invention.
Step S301, the file access client of local node is to the meta data server of this locality initiate the to fetch data request message of piece position.
Step S302 after local meta data server fetches data the piece positional information, judges whether this positional information is positioned at this locality.
Step S303 is after local meta data server fetches data piece positional information failure, to the meta data server of distant-end node initiate the to fetch data request message of piece position.
Step S304 after the far-end meta data server fetches data the success of piece position, acts on behalf of the request message of initiating resource bid to the file resource of this data block place module immediately.
Step S305, file resource agency judge whether the application resource is successful.
Step S306 after the resource bid success of data block correspondence, returns the positional information of the data block that contains the resource quota to the meta data server of far-end; The meta data server of far-end receives the positional information of the data block that contains the resource quota, returns the positional information of the data block that contains the resource quota to the meta data server of this locality.
Step S307, the meta data server of client terminal local returns final data piece positional information and bandwidth resources information to the local file access client.
Step S308, client is received the response of the success of the piece position of fetching data.
Step S309, local file access customer section is initiated scheduling to the remote data server.
Step S310 begins to carry out the scheduling of data block.
Fig. 4 is the process flow diagram according to the preferred resource management method of the embodiment of the invention.
Preferred resource management method according to the embodiment of the invention can comprise the resource bid flow process.
According to the resource bid flow process of the embodiment of the invention, shown in A part among Fig. 4, may further comprise the steps:
Step S401, the file access client of local node is to the meta data server of this locality initiate the to fetch data request message of piece position.
Step S402 is after local meta data server fetches data piece positional information failure, to the meta data server of distant-end node initiate the to fetch data request message of piece position.
Step S403 after the far-end meta data server fetches data the success of piece position, acts on behalf of the request message of initiating resource bid to the file resource of this data block place module immediately.
Step S404 after the resource bid success of data block correspondence, returns the positional information of the data block that contains the resource quota to the meta data server of far-end.
With the visit somewhere is example: obtained positional information and be equivalent to find the address, know how to have arrived and got access to bandwidth resources and just be equivalent to buy the ticket that arrives, the far-end meta data server inquires this position and exists, and just gives the certain resource of client of this position of visit; So such client just can take ticket and visit.
In the present invention, resource can be interpreted as the essential elements in the positional information, invalid then this positional information of this element is just invalid.For example, this resource of specific implementation can be divided into the bandwidth of 10G 100 parts, adopts counting just can realize.
Step S405, the meta data server of far-end receives the positional information of the data block that contains the resource quota, returns the positional information of the data block that contains the resource quota to the meta data server of this locality.
Step S406, the meta data server of client terminal local returns final data piece positional information and bandwidth resources information to the local file access client.
Step S407, local file access customer section is initiated scheduling to the remote data server.
Preferably, the preferred resource management method according to the embodiment of the invention can also comprise resource release flow.
According to the resource release flow of the embodiment of the invention, shown in B part among Fig. 4, may further comprise the steps:
The local file access client is initiated scheduling, promptly a series of read request to the remote data server.
Step S408 is after the each read request of local file access client is successfully returned, immediately to the update notification message of local meta data server initiation to institute's read data piece.
Step S409, local meta data server is initiated the resource updates request to the far-end meta data server.
Step S410, the far-end meta data server is initiated the resource updates request to the corresponding file Resource Broker.
Finish the resource updates operation by the file resource agency.
The file resource agency regularly discharges the resource that does not obtain upgrading, and finishes resource and reclaims.
As can be seen from the above description, the present invention has realized making bandwidth resources can access more reasonable utilization, thereby avoids operation layer is impacted.
Device embodiment
According to embodiments of the invention, provide a kind of device and system of resource management.
Device according to the resource management of the embodiment of the invention can comprise meta data server and client.
Fig. 2 is the synoptic diagram according to the system of the resource management of the embodiment of the invention.
As shown in Figure 2, this system can comprise: data server, meta data server and client.
Wherein, data server is used to store data block; Meta data server is used to store the positional information of data block and to the needed bandwidth resources of data server request scheduling database; Client is used for according to the positional information that contains the data block of bandwidth resources data block being dispatched.
Fig. 5 is the synoptic diagram according to the preferred meta data server of the embodiment of the invention;
As shown in Figure 5, this meta data server comprises: memory module 501, receiver module 503, first sending module 505 and second sending module 507 preferably, also comprise the 3rd sending module 509.
Wherein, memory module 501 is used to store the positional information of data block; Receiver module 503 is used to receive request message, and wherein, request message is used for the positional information of requested data block; First sending module 505 is used to send first request message, and wherein, first request message is used for the bandwidth resources of request scheduling data block needs; Second sending module 507 is used to send bandwidth resources.The 3rd sending module 509 is used to send a notification message, and wherein, the notification message user notification upgrades the positional information of data block.
Fig. 6 is the synoptic diagram according to the preferred client of the embodiment of the invention.
As shown in Figure 6, the client according to the embodiment of the invention can comprise: sending module 601, receiver module 603 and scheduler module 605.
Wherein, sending module 601 is used to send first request message, and wherein, first request message is used for the positional information of requested data block; Receiver module 603 is used for the needed bandwidth resources of receiving scheduling data block; Scheduler module 605 is used for according to the positional information that contains the data block of bandwidth resources data block being dispatched.
Need to prove, can in computer system, carry out in the step shown in the process flow diagram of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. resource management method is applied to the distributed file system of cross-node, it is characterized in that described method comprises:
Meta data server receives first request message that client is initiated, and wherein, described first request message is used for the positional information of requested data block;
Described meta data server obtains the positional information of the described data block of storage in advance according to described first request message, and send second request message according to the data server of described positional information to described data block place, wherein, described second request message is used for the needed bandwidth resources of the described data block of request scheduling;
Described meta data server obtains the information of the described bandwidth resources of distribution, and the information of described positional information and described bandwidth resources is sent to described client, so that described client is dispatched described data block according to the information of described positional information and described bandwidth resources.
2. method according to claim 1, it is characterized in that, described meta data server comprises the meta data server of described client terminal local and the meta data server of described client far-end, and described meta data server comprises according to the positional information that described first request message obtains the described data block of storing in advance:
The meta data server of described client terminal local receives described first request message from described client;
Read at the meta data server of described client terminal local under the situation of positional information failure of described data block, the meta data server of described client terminal local sends described first request message to the meta data server of described client far-end;
The meta data server of described client far-end obtains the positional information of the described data block of storage in advance according to described first request message.
3. method according to claim 2 is characterized in that, after the meta data server of described client far-end sent described first request message, described method also comprised at the meta data server of described client terminal local:
Meta data server at described client far-end reads under the positional information case of successful of described database, and the meta data server of described client far-end sends described second request message to the data server at described data block place.
4. method according to claim 1 is characterized in that, described meta data server is after receiving described bandwidth resources, and the positional information that will contain the described data block of described bandwidth resources is sent to described client and comprises:
Be that described meta data server is sent to the described positional information that contains the described data block of described bandwidth resources the meta data server of described client terminal local under the situation of meta data server of described client far-end at described meta data server;
The meta data server of described client terminal local is sent to described client with the described positional information that contains the described data block of described bandwidth resources.
5. according to each described method in the claim 1 to 4, it is characterized in that after described meta data server was sent to described client with the information of described positional information and described bandwidth resources, described method also comprised:
Described client is dispatched described data block according to the described positional information that contains the described data block of described bandwidth resources;
Described client sends a notification message to described meta data server, and wherein, described notification message is used to notify the positional information to described data block to upgrade;
Described meta data server receives that the data server to described data block place sends the 4th request message after the described notification message, and described the 4th request message is used for request to be upgraded described data block corresponding bandwidth resource.
6. method according to claim 5 is characterized in that, described meta data server is received after the described updating message that the data server to described data block place sends a request message and comprised:
The meta data server of described client terminal local receives described notification message;
The meta data server of described client terminal local sends described request message to the meta data server of described client far-end.
7. the system of a resource management is characterized in that, comprising:
Data server is used to store data block;
Meta data server is used to store the positional information of described data block and to the needed bandwidth resources of the described database of described data server request scheduling;
Client is used for according to the positional information that contains the described data block of described bandwidth resources described data block being dispatched.
8. a meta data server is characterized in that, comprising:
Memory module is used to store the positional information of data block;
Receiver module is used to receive request message, and wherein, described request message is used to ask the positional information of described data block;
First sending module is used to send first request message, and wherein, described first request message is used for the bandwidth resources of the described data block needs of request scheduling;
Second sending module is used to send described bandwidth resources.
9. meta data server according to claim 8 is characterized in that, described meta data server also comprises:
The 3rd sending module is used to send a notification message, and wherein, described notification message user notification upgrades the positional information of described data block.
10. a client is characterized in that, comprising:
Sending module is used to send first request message, and wherein, described first request message is used for the positional information of requested data block;
Receiver module is used for the needed bandwidth resources of the described data block of receiving scheduling;
Scheduler module is used for according to the described positional information that contains the described data block of described bandwidth resources described data block being dispatched.
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| CN200910205472.XA CN101699436B (en) | 2009-10-20 | 2009-10-20 | The methods, devices and systems of resource management |
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| CN101699436B (en) | 2015-09-16 |
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