CN104202305A - Transcoding processing method and device, server - Google Patents
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Abstract
The embodiment of the invention provides a transcoding processing method, a transcoding processing device and a server. The method may include the steps of: when receiving a transcoding request, obtaining an idle rate of a transcoding cluster consisting of at least one transcoding node; randomly distributing a load to each of the at least one transcoding node according to the idle rate of the transcoding cluster so as to select a transcoding response node from the at least one transcoding node; sending the transcoding request to the transcoding response node to enable the transcoding response node to perform transcoding according to the transcoding request. According to the transcoding processing method, the balanced loads of the transcoding nodes in the transcoding cluster can be achieved, and meanwhile transcoding quality is ensured.
Description
Technical field
The present invention relates to Internet technical field, be specifically related to multimedia processing technology field, relate in particular to a kind of trans-coding treatment method, device and server.
Background technology
Transcoding refers to that be low resolution, the processing that is converted to low code check by high code check by video flowing by high resolution conversion.Transcoding node refers to possess the physical equipment of transcoding function, for example: transcoding node can be for possessing PC (Personal Computer, personal computer), transcoding server of transcoding function etc.Multiple transcoding nodes can form transcoding cluster, can realize balanced transcoding function by the transcoding node in scheduling transcoding cluster.The scheme that adopts transcoding cluster to carry out transcoding processing at present mainly comprises following two kinds, wherein a kind of scheme is in Stochastic Equilibrium mode as basis, its transcoding processing procedure is: in the time receiving transcoding request, choose at random a transcoding node and carry out transcoding processing from transcoding cluster.In this scheme, if selected transcoding node load is higher, can reduce transcoding quality.Another kind of scheme is using disposal ability poll as basis, and its transcoding processing procedure is: in the time receiving transcoding request, choose the minimum transcoding node of load from transcoding cluster.In this scheme, if while needing the video stream data of transcoding processing more, the load sharp increase at short notice of selected transcoding node will be made, transcoding quality can be reduced equally.
Summary of the invention
The embodiment of the present invention provides a kind of trans-coding treatment method, device and server, can realize the load balancing of each transcoding node in transcoding cluster, ensures transcoding quality simultaneously.
Embodiment of the present invention first aspect provides a kind of trans-coding treatment method, can comprise:
In the time receiving transcoding request, obtain the idleness of the transcoding cluster that at least one transcoding node forms;
According to the idleness of described transcoding cluster, described at least one transcoding node is carried out to random load allocation process, to choose response transcoding node from described at least one transcoding node;
Described transcoding request is sent to described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
Embodiment of the present invention second aspect provides a kind of transcoding processing unit, can comprise:
Acquisition module, in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms;
Processing module, for according to the idleness of described transcoding cluster, carries out random load allocation process to described at least one transcoding node, to choose response transcoding node from described at least one transcoding node;
Transcoding module, for being sent to described transcoding request described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
The embodiment of the present invention third aspect provides a kind of server, can comprise the transcoding processing unit that above-mentioned second aspect provides.
Implement the embodiment of the present invention, there is following beneficial effect:
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of a kind of trans-coding treatment method that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the another kind of trans-coding treatment method that Fig. 2 provides for the embodiment of the present invention;
The flow chart of another trans-coding treatment method that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of transcoding processing unit that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of transcoding processing unit that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of acquisition module that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of processing module that Fig. 7 provides for the embodiment of the present invention;
A kind of structural representation of choosing unit that Fig. 8 provides for the embodiment of the present invention;
The structural representation of a kind of update module that Fig. 9 provides for the embodiment of the present invention;
The structural representation of a kind of server that Figure 10 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with accompanying drawing 1-accompanying drawing 3, the trans-coding treatment method that the embodiment of the present invention is provided describes in detail.
Refer to Fig. 1, the flow chart of a kind of trans-coding treatment method providing for the embodiment of the present invention; The method can comprise the following steps S101-step S103.
S101, in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms.
Transcoding refers to that be low resolution, the processing that is converted to low code check by high code check by video flowing by high resolution conversion.Transcoding node refers to possess the physical equipment of transcoding function, for example: transcoding node can be for possessing PC, transcoding server of transcoding function etc.At least one transcoding node can form a transcoding cluster, and by the control and management to this transcoding cluster, transcoding node that can this transcoding cluster of flexible dispatching is realized efficient, balanced transcoding function.In the embodiment of the present invention, in the time that needs carry out transcoding processing by described transcoding cluster, can send transcoding request to transcoding cluster, in this transcoding request, comprise the Video stream information for the treatment of transcoding, for example: when user uses such as the Video service of the terminal such as mobile phone, notebook computer, terminal can initiate transcoding request providing to user at a high speed, real-time video streaming services; In this step, in the time receiving transcoding request, obtain the idleness of described transcoding cluster.Wherein, the idleness of described transcoding cluster is the idleness sum of each transcoding node in described transcoding cluster.The idleness of described transcoding cluster can characterize the transcoding ability of described transcoding cluster, and the idleness of described transcoding cluster is higher, shows that the transcoding ability of described transcoding cluster is higher.
S102, according to the idleness of described transcoding cluster, carries out random load allocation process to described at least one transcoding node, to choose response transcoding node from described at least one transcoding node.
Wherein, the object of random load allocation process is to choose from described transcoding cluster the response transcoding node that can be used for responding described transcoding request, carries out transcoding processing, and this response transcoding node is in the time carrying out transcoding processing, both the requirement of the overall idleness of described transcoding cluster can be met, and transcoding quality can be ensured again.It should be noted that, through described random load allocation process, can realize the load balancing of each transcoding node in described transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
S103, is sent to described response transcoding node by described transcoding request, so that described response transcoding node carries out transcoding processing according to described transcoding request.
In this step, after described transcoding request is sent to described response transcoding node, described response transcoding node can extract the Video stream information for the treatment of transcoding from described transcoding request, and this Video stream information is carried out to transcoding processing.Be understandable that, after described response transcoding node completes transcoding processing, the embodiment of the present invention also can be back to the video flowing after transcoding the initiator of described transcoding request, for example: user uses such as mobile phone, when the Video service of the terminals such as notebook computer, terminal can be initiated transcoding request to provide to user at a high speed, real-time video streaming services, the embodiment of the present invention completes after transcoding processing, video flowing after transcoding is returned to described terminal, make described terminal export video flowing after described transcoding to provide efficient to user to user, real-time Video service.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 2, the flow chart of the another kind of trans-coding treatment method providing for the embodiment of the present invention; The method can comprise the following steps S201-step S204.
S201, in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms.
S202, according to the idleness of described transcoding cluster, carries out random load allocation process to described at least one transcoding node, to choose response transcoding node from described at least one transcoding node.
S203, is sent to described response transcoding node by described transcoding request, so that described response transcoding node carries out transcoding processing according to described transcoding request.
The step S201-step S203 of the present embodiment can embodiment shown in Figure 1 step S101-step S103, be not repeated herein.
S204, in the time detecting that the load of described at least one transcoding node changes, upgrades the idleness of described transcoding cluster.
Wherein, the idleness of described transcoding cluster is the idleness sum of each transcoding node in described transcoding cluster, the idleness that is each transcoding node in the idleness of described transcoding cluster and described transcoding cluster is related, but, the load factor sum of the idleness of a transcoding node and this transcoding node is 1, the idleness of a transcoding node is relevant to the load factor of this transcoding node, and therefore, in the idleness of described transcoding cluster and described transcoding cluster, the load of each transcoding node is related.In this step, in the time detecting that the load of the transcoding node in described transcoding cluster changes, upgrade the idleness of described transcoding cluster.Be understandable that, the renewal operation of the idleness of this step to described transcoding cluster, can, the carrying out smoothly of follow-up random load allocation process while again receiving transcoding request and transcoding processing, ensure the GSLB of described transcoding cluster, ensure transcoding quality.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 3, the flow chart of another trans-coding treatment method providing for the embodiment of the present invention; The method can comprise the following steps S301-step S312.
S301, in the time receiving transcoding request, obtains the load factor of each transcoding node in described at least one transcoding node.
For example, average load amount within the unit interval (: one minute) of the CPU that the load factor of transcoding node refers to this transcoding node.In the present embodiment, suppose always to have the individual transcoding node of N (N is more than or equal to 1 positive integer), the load factor of each transcoding node is respectively j
1, j
2to j
n, this step is obtained j
1, j
2to j
n.
S302, according to the load factor of described each transcoding node, calculates the idleness of described each transcoding node.
The idleness sum of the load factor of a transcoding node and this transcoding node is 1.This step adopts the formula of " 1-load factor=idleness ", calculates successively the idleness of each transcoding node; According to example shown in step S301, the idleness that each transcoding node is obtained in the calculating of this step is respectively " 1-j
1=i
1", " 1-j
2=i
2" to " 1-j
n=i
n".
S303, carries out read group total to the idleness of described each transcoding node, obtains the idleness of described transcoding cluster.
This step is asked for the idleness sum of described each transcoding node, can obtain the idleness of described transcoding cluster.According to example shown in the present embodiment, suppose that the idleness of described transcoding cluster adopts " I " to represent, I=i
1+ i
2+ ... + i
n.
The step S301-step S303 of the present embodiment can be the concrete refinement step of step S101 embodiment illustrated in fig. 1, or can be the concrete refinement step of step S201 embodiment illustrated in fig. 2.
S304, adopts the random number within the scope of default value to be weighted processing to the idleness of described transcoding cluster, obtains Random assignment numerical value.
Wherein, default value scope can be [0.0,1.0), described random number can be chosen according to actual needs, for example: if require the idleness of described transcoding cluster at least to retain 50% to ensure GSLB, can [0.0,1.0) choose the random number that is greater than 0.5 in interval range, such as: 0.51,0.6 etc.In this step, the idleness I of described transcoding cluster can be multiplied by selected random number, obtain Random assignment numerical value, this Random assignment numerical value can adopt " D " to represent.
S305, obtains the access order of described each transcoding node in described transcoding cluster.
Wherein, in described transcoding cluster, a corresponding access order of transcoding node.In a kind of feasible execution mode of the embodiment of the present invention, the access order of described each transcoding node in described transcoding cluster can arrange according to actual needs, in the time that described transcoding cluster is dynamically adjusted, for example: in described transcoding cluster, access new transcoding node, or delete some transcoding node in described transcoding cluster etc., the access of each transcoding node order in the described transcoding cluster after reconfigurable dynamic adjustment.In the feasible execution mode of the another kind of the embodiment of the present invention, the access order of described each transcoding node in described transcoding cluster can arrange according to the time order and function in the described transcoding cluster of the actual access of each transcoding node, in the time that described transcoding cluster is dynamically adjusted, for example: in described transcoding cluster, access new transcoding node, or delete some transcoding node in described transcoding cluster etc., can dynamically adjust the access order of each transcoding node according to the time order and function in the described transcoding cluster of the actual access of each transcoding node.According to example shown in the present embodiment, suppose that, in N transcoding node, idleness is i
1the access order of transcoding node be 1, idleness is i
2the access order of transcoding node be 2, by that analogy, idleness is i
nthe access order of transcoding node be N.
S306, access according to described each transcoding node in described transcoding cluster order, by the computing of successively decreasing of the idleness of described Random assignment numerical value and described each transcoding node.
According to example shown in the present embodiment, the calculating process that successively decreases of this step is: Random assignment numerical value D is deducted to the idleness that access order is the transcoding node of 1-N one by one, first adopt formula " D-i
1" acquisition difference d
1, then adopt formula " d
1-i
2" acquisition difference d
2, according to the computing of successively decreasing of this process.
S307 according to the described operation result that successively decreases, chooses response transcoding node from described at least one transcoding node.
Step S307 specifically can comprise following A-B step:
A, when described Random assignment numerical value and first to the idleness of M-1 transcoding node successively decrease computing obtain difference be greater than described preset value, and described Random assignment numerical value and first successively decreases difference that computing obtains while being less than preset value to the idleness of M transcoding node, from described at least one transcoding node, chooses M transcoding node; Wherein, M is positive integer; The value of M is more than or equal to 1, and is less than or equal to the quantity of described at least one transcoding node.
Wherein, described preset value can be set according to actual needs, for example: described preset value can be set as 0.According to example shown in the present embodiment, M is positive integer, and 1≤M≤N.When successively decreasing in calculating process, adopt formula " d
m-2-i
m-1" acquisition difference d
m-1, adopt formula " d
m-1-i
m" acquisition difference d
m; In steps A, if d
m-1> 0 and d
m< 0, chooses M transcoding node.
B, be response transcoding node by described M transcoding node determination.
Described response transcoding node can be used for responding described transcoding request, carries out transcoding processing, and this response transcoding node is in the time carrying out transcoding processing, both can meet the idleness requirement that makes described transcoding cluster GSLB, can ensure again transcoding quality.
The step S304-step S307 of the present embodiment can be the concrete refinement step of step S102 embodiment illustrated in fig. 1, or can be the concrete refinement step of step S202 embodiment illustrated in fig. 2.It should be noted that, through the random load allocation process described in step S304-step S307, can realize the load balancing of each transcoding node in described transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
S308, is sent to described response transcoding node by described transcoding request, so that described response transcoding node carries out transcoding processing according to described transcoding request.
The step S308 of the present embodiment can embodiment shown in Figure 1 step S103, be not repeated herein.
S309, in the time detecting that the load of arbitrary transcoding node in described at least one transcoding node changes, receives and changes the load synchronization message that transcoding node reports.
In a kind of feasible execution mode of the present invention, described load synchronization message can comprise load variations information, for example: the 1st transcoding node increased by 5% load, the load synchronization message that the 1st transcoding node reports can comprise+5% change information, and being used to indicate the 1st transcoding node load increases by 5%.In the feasible execution mode of another kind of the present invention, described load synchronization message can comprise the load factor of this transcoding node after load variations, for example: the former load factor of the 2nd transcoding node is 30%, the load of the 2nd transcoding node has reduced 10%, the load synchronization message that the 2nd transcoding node reports can comprise 20% load factor, and the load factor being used to indicate after the 2nd transcoding node load reduces is 20%.
S310, according to described load variations message, upgrades the load factor of described variation transcoding node.
S311, according to the load factor of described variation transcoding node, calculates the idleness of described variation transcoding node.
The idleness sum of the load factor of a transcoding node and this transcoding node is 1.This step adopts the formula of " 1-load factor=idleness ", calculates the idleness of described variation transcoding node.
S312, according to the idleness of described variation transcoding node, upgrades the idleness of described transcoding cluster.
This step need to be considered the idleness of described variation transcoding node, again asks for the idleness sum of described each transcoding node, the idleness of renewable described transcoding cluster.Be understandable that, the renewal operation of the idleness of this step to described transcoding cluster, can, the carrying out smoothly of follow-up random load allocation process while again receiving transcoding request and transcoding processing, ensure the GSLB of described transcoding cluster, ensure transcoding quality.
The step S309-step S312 of the present embodiment can be the concrete refinement step of step S204 embodiment illustrated in fig. 2.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Below in conjunction with accompanying drawing 4-accompanying drawing 9, a kind of transcoding processing unit that the embodiment of the present invention is provided describes in detail.It should be noted that, the application prosthetic device described in accompanying drawing 4-accompanying drawing 9 can be applicable to carry out the method shown in above-mentioned accompanying drawing 1-accompanying drawing 3.
Refer to Fig. 4, the structural representation of a kind of transcoding processing unit providing for the embodiment of the present invention; This device can comprise: acquisition module 101, processing module 102 and transcoding module 103.
Acquisition module 101, in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms.
Transcoding refers to that be low resolution, the processing that is converted to low code check by high code check by video flowing by high resolution conversion.Transcoding node refers to possess the physical equipment of transcoding function, for example: transcoding node can be for possessing PC, transcoding server of transcoding function etc.At least one transcoding node can form a transcoding cluster, and by the control and management to this transcoding cluster, transcoding node that can this transcoding cluster of flexible dispatching is realized efficient, balanced transcoding function.In the embodiment of the present invention, in the time that needs carry out transcoding processing by described transcoding cluster, can send transcoding request to transcoding cluster, in this transcoding request, comprise the Video stream information for the treatment of transcoding, for example: when user uses such as the Video service of the terminal such as mobile phone, notebook computer, terminal can initiate transcoding request providing to user at a high speed, real-time video streaming services; In the time receiving transcoding request, described acquisition module 101 obtains the idleness of described transcoding cluster.Wherein, the idleness of described transcoding cluster is the idleness sum of each transcoding node in described transcoding cluster.The idleness of described transcoding cluster can characterize the transcoding ability of described transcoding cluster, and the idleness of described transcoding cluster is higher, shows that the transcoding ability of described transcoding cluster is higher.
Processing module 102, for according to the idleness of described transcoding cluster, carries out random load allocation process to described at least one transcoding node, to choose response transcoding node from described at least one transcoding node.
Wherein, the object of random load allocation process is to choose from described transcoding cluster the response transcoding node that can be used for responding described transcoding request, carries out transcoding processing, and this response transcoding node is in the time carrying out transcoding processing, both the requirement of the overall idleness of described transcoding cluster can be met, and transcoding quality can be ensured again.It should be noted that, through described random load allocation process, can realize the load balancing of each transcoding node in described transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Transcoding module 103, for being sent to described transcoding request described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
After described transcoding request is sent to described response transcoding node by described transcoding module 103, described response transcoding node can extract the Video stream information for the treatment of transcoding from described transcoding request, and this Video stream information is carried out to transcoding processing.Be understandable that, after described response transcoding node completes transcoding processing, the embodiment of the present invention also can be back to the video flowing after transcoding the initiator of described transcoding request, for example: user uses such as mobile phone, when the Video service of the terminals such as notebook computer, terminal can be initiated transcoding request to provide to user at a high speed, real-time video streaming services, the embodiment of the present invention completes after transcoding processing, video flowing after transcoding is returned to described terminal, make described terminal export video flowing after described transcoding to provide efficient to user to user, real-time Video service.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 5, the structural representation of the another kind of transcoding processing unit providing for the embodiment of the present invention; This device can comprise: acquisition module 101, processing module 102, transcoding module 103 and update module 104.Wherein, the associated description that the 26S Proteasome Structure and Function of acquisition module 101, processing module 102 and transcoding module 103 can embodiment shown in Figure 4, is not repeated herein.
Update module 104, in the time detecting that the load of described at least one transcoding node changes, upgrades the idleness of described transcoding cluster.
Wherein, the idleness of described transcoding cluster is the idleness sum of each transcoding node in described transcoding cluster, the idleness that is each transcoding node in the idleness of described transcoding cluster and described transcoding cluster is related, but, the load factor sum of the idleness of a transcoding node and this transcoding node is 1, the idleness of a transcoding node is relevant to the load factor of this transcoding node, and therefore, in the idleness of described transcoding cluster and described transcoding cluster, the load of each transcoding node is related.In the time detecting that the load of the transcoding node in described transcoding cluster changes, described update module 104 is upgraded the idleness of described transcoding cluster.Be understandable that, the renewal operation of the idleness of described update module 104 to described transcoding cluster, can, the carrying out smoothly of follow-up random load allocation process while again receiving transcoding request and transcoding processing, ensure the GSLB of described transcoding cluster, ensure transcoding quality.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 6, the structural representation of a kind of acquisition module providing for the embodiment of the present invention; This acquisition module 101 can comprise: load acquiring unit 1101, idle computing unit 1102 and read group total unit 1103.
Load acquiring unit 1101, in the time receiving transcoding request, obtains the load factor of each transcoding node in described at least one transcoding node.
For example, average load amount within the unit interval (: one minute) of the CPU that the load factor of transcoding node refers to this transcoding node.In the present embodiment, suppose always to have the individual transcoding node of N (N is more than or equal to 1 positive integer), the load factor of each transcoding node is respectively j
1, j
2to j
n, 1101 of described load acquiring units obtain j
1, j
2to j
n.
Idle computing unit 1102, for according to the load factor of described each transcoding node, calculates the idleness of described each transcoding node.
The idleness sum of the load factor of a transcoding node and this transcoding node is 1.Described idle computing unit 1102 adopts the formula of " 1-load factor=idleness ", calculates successively the idleness of each transcoding node; According to example shown in the present embodiment, the idleness that each transcoding node is obtained in described idle computing unit 1102 calculating is respectively " 1-j
1=i
1", " 1-j
2=i
2" to " 1-j
n=i
n".
Read group total unit 1103, for the idleness of described each transcoding node is carried out to read group total, obtains the idleness of described transcoding cluster.
The idleness sum of described each transcoding node is asked in described read group total unit 1103, can obtain the idleness of described transcoding cluster.According to example shown in the present embodiment, suppose that the idleness of described transcoding cluster adopts " I " to represent, I=i
1+ i
2+ ... + i
n.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 7, the structural representation of a kind of processing module providing for the embodiment of the present invention; This processing module 102 can comprise: weighting processing unit 1201, order acquiring unit 1202, the arithmetic element of successively decreasing 1203 and choose unit 1204.
Weighting processing unit 1201, for adopting the random number within the scope of default value to be weighted processing to the idleness of described transcoding cluster, obtains Random assignment numerical value.
Wherein, default value scope can be [0.0,1.0), described random number can be chosen according to actual needs, for example: if require the idleness of described transcoding cluster at least to retain 50% to ensure GSLB, can [0.0,1.0) choose the random number that is greater than 0.5 in interval range, such as: 0.51,0.6 etc.According to the example in embodiment illustrated in fig. 6, described weighting processing unit 1201 can be multiplied by selected random number by the idleness I of described transcoding cluster, obtains Random assignment numerical value, and this Random assignment numerical value can adopt " D " to represent.
Order acquiring unit 1202, for obtaining the access order of described each transcoding node at described transcoding cluster.
Wherein, in described transcoding cluster, a corresponding access order of transcoding node.In a kind of feasible execution mode of the embodiment of the present invention, the access order of described each transcoding node in described transcoding cluster can arrange according to actual needs, in the time that described transcoding cluster is dynamically adjusted, for example: in described transcoding cluster, access new transcoding node, or delete some transcoding node in described transcoding cluster etc., the access of each transcoding node order in the described transcoding cluster after reconfigurable dynamic adjustment.In the feasible execution mode of the another kind of the embodiment of the present invention, the access order of described each transcoding node in described transcoding cluster can arrange according to the time order and function in the described transcoding cluster of the actual access of each transcoding node, in the time that described transcoding cluster is dynamically adjusted, for example: in described transcoding cluster, access new transcoding node, or delete some transcoding node in described transcoding cluster etc., can dynamically adjust the access order of each transcoding node according to the time order and function in the described transcoding cluster of the actual access of each transcoding node.According to example shown in the present embodiment, suppose that, in N transcoding node, idleness is i
1the access order of transcoding node be 1, idleness is i
2the access order of transcoding node be 2, by that analogy, idleness is i
nthe access order of transcoding node be N.
The arithmetic element 1203 of successively decreasing, for the access order at described transcoding cluster according to described each transcoding node, by the computing of successively decreasing of the idleness of described Random assignment numerical value and described each transcoding node.
According to example shown in the present embodiment, described in the successively decrease calculating process that successively decreases of arithmetic element 1203 be: first the idleness that Random assignment numerical value D is deducted to the transcoding node that access order is 1-N one by one, adopt formula " D-i
1" acquisition difference d
1, then adopt formula " d
1-i
2" acquisition difference d
2, according to the computing of successively decreasing of this process.
Choose unit 1204, for the operation result that successively decreases described in basis, from described at least one transcoding node, choose response transcoding node.
In specific implementation, please also refer to Fig. 8, a kind of structural representation of choosing unit providing for the embodiment of the present invention; This is chosen unit 1204 and can comprise: node selection subelement 1241 and node determination subelement 1242.
Node selection subelement 1241, for being greater than described preset value with first to the successively decrease difference of computing acquisition of the idleness of M-1 transcoding node when described Random assignment numerical value, and described Random assignment numerical value and first successively decreases difference that computing obtains while being less than preset value to the idleness of M transcoding node, from described at least one transcoding node, chooses M transcoding node.
Wherein, described preset value can be set according to actual needs, for example: described preset value can be set as 0.According to example shown in the present embodiment, M is positive integer, and 1≤M≤N.When successively decreasing in calculating process, adopt formula " d
m-2-i
m-1" acquisition difference d
m-1, adopt formula " d
m-1-i
m" acquisition difference d
m; If d
m-1> 0 and d
m< 0,1241, described node selection subelement is chosen M transcoding node.
Node determination subelement 1242, for by described M transcoding node determination being response transcoding node.
Described response transcoding node can be used for responding described transcoding request, carries out transcoding processing, and this response transcoding node is in the time carrying out transcoding processing, both can meet the idleness requirement that makes described transcoding cluster GSLB, can ensure again transcoding quality.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Fig. 9, the structural representation of a kind of update module providing for the embodiment of the present invention; This update module 104 can comprise: message sink unit 1401, load updating unit 1402, change calculations unit 1403 and updating block 1404.
Message sink unit 1401, in the time detecting that the load of the described arbitrary transcoding node of at least one transcoding node changes, receives and changes the load synchronization message that transcoding node reports.
In a kind of feasible execution mode of the present invention, described load synchronization message can comprise load variations information, for example: the 1st transcoding node increased by 5% load, the load synchronization message that the 1st transcoding node reports can comprise+5% change information, and being used to indicate the 1st transcoding node load increases by 5%.In the feasible execution mode of another kind of the present invention, described load synchronization message can comprise the load factor of this transcoding node after load variations, for example: the former load factor of the 2nd transcoding node is 30%, the load of the 2nd transcoding node has reduced 10%, the load synchronization message that the 2nd transcoding node reports can comprise 20% load factor, and the load factor being used to indicate after the 2nd transcoding node load reduces is 20%.
Load updating unit 1402, for according to described load variations message, upgrades the load factor of described variation transcoding node.
Change calculations unit 1403, for according to the load factor of described variation transcoding node, calculates the idleness of described variation transcoding node.
The idleness sum of the load factor of a transcoding node and this transcoding node is 1.Described change calculations unit 1403 adopts the formula of " 1-load factor=idleness ", calculates the idleness of described variation transcoding node.
Updating block 1404, for according to the idleness of described variation transcoding node, upgrades the idleness of described transcoding cluster.
Described updating block 1404 need to be considered the idleness of described variation transcoding node, again asks for the idleness sum of described each transcoding node, the idleness of renewable described transcoding cluster.Be understandable that, the renewal operation of the idleness of described updating block 1404 to described transcoding cluster, can, the carrying out smoothly of follow-up random load allocation process while again receiving transcoding request and transcoding processing, ensure the GSLB of described transcoding cluster, ensure transcoding quality.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
The embodiment of the invention also discloses a kind of server, this server can be transcoding management node, it can be used for managing described transcoding cluster, this server can comprise a kind of transcoding processing unit, the 26S Proteasome Structure and Function of this transcoding processing unit can, referring to Fig. 4-associated description embodiment illustrated in fig. 9, be not repeated herein.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
Refer to Figure 10, the structural representation of a kind of server providing for the embodiment of the present invention; The server of the embodiment of the present invention comprises: at least one processor 201, for example CPU, at least one communication bus 202, at least one network interface 203, memory 204.Wherein, communication bus 202 is for realizing the connection communication between these assemblies.Wherein, described network interface 203 optionally can comprise wireline interface, the wave point (as WI-FI, mobile communication interface etc.) of standard.Described memory 204 can be high-speed RAM memory, also can the unsettled memory of right and wrong (non-volatile memory), and for example at least one magnetic disc store.Described memory 204 can also be optionally that at least one is positioned at the storage device away from aforementioned processing device 201.As shown in figure 10, in the memory 204 as a kind of computer-readable storage medium, store operating system, network communication module, and store program and other programs for carrying out transcoding processing.
In a kind of feasible execution mode, wherein concrete, described processor 201 can for call in described memory 204 storage for carrying out the program of transcoding processing, carry out following steps:
In the time receiving transcoding request, obtain the idleness of the transcoding cluster that at least one transcoding node forms;
According to the idleness of described transcoding cluster, described at least one transcoding node is carried out to random load allocation process, to choose response transcoding node from described at least one transcoding node;
Described transcoding request is sent to described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
Further, described processor 204 is being carried out describedly in the time receiving transcoding request, while obtaining the step of idleness of the transcoding cluster that at least one transcoding node forms, specifically carries out following steps:
In the time receiving transcoding request, obtain the load factor of each transcoding node in described at least one transcoding node;
According to the load factor of described each transcoding node, calculate the idleness of described each transcoding node;
The idleness of described each transcoding node is carried out to read group total, obtain the idleness of described transcoding cluster.
Further, described processor 204 is described according to the idleness of described transcoding cluster in execution, described at least one transcoding node is carried out to random load allocation process, to choose the step of response transcoding node from described at least one transcoding node time, specifically carries out following steps:
Adopt the random number within the scope of default value to be weighted processing to the idleness of described transcoding cluster, obtain Random assignment numerical value;
Obtain the access order of described each transcoding node in described transcoding cluster;
Access according to described each transcoding node in described transcoding cluster order, by the computing of successively decreasing of the idleness of described Random assignment numerical value and described each transcoding node;
According to the described operation result that successively decreases, from described at least one transcoding node, choose response transcoding node.
Further, described processor 204, at the operation result that successively decreases described in the described basis of execution, while choosing the step of response transcoding node, is specifically carried out following steps from described at least one transcoding node:
When described Random assignment numerical value and first to the idleness of M-1 transcoding node successively decrease computing obtain difference be greater than described preset value, and described Random assignment numerical value and first successively decreases difference that computing obtains while being less than preset value to the idleness of M transcoding node, from described at least one transcoding node, chooses M transcoding node;
Be response transcoding node by described M transcoding node determination;
Wherein, M is positive integer; The value of M is more than or equal to 1, and is less than or equal to the quantity of described at least one transcoding node.
Further, described processor 204 is describedly sent to described response transcoding node by described transcoding request carrying out, so that after described response transcoding node carries out the step of transcoding processing according to described transcoding request, also carry out following steps:
In the time detecting that the load of described at least one transcoding node changes, upgrade the idleness of described transcoding cluster.
Further, described processor 204 is described in the time detecting that the load of described at least one transcoding node changes in execution, while upgrading the step of idleness of described transcoding cluster, specifically carries out following steps:
In the time detecting that the load of arbitrary transcoding node in described at least one transcoding node changes, receive and change the load synchronization message that transcoding node reports;
According to described load variations message, upgrade the load factor of described variation transcoding node;
According to the load factor of described variation transcoding node, calculate the idleness of described variation transcoding node;
According to the idleness of described variation transcoding node, upgrade the idleness of described transcoding cluster.
In the embodiment of the present invention, in the time receiving transcoding request, according to the idleness of transcoding cluster, the transcoding node in transcoding cluster is carried out to random load allocation process and complete transcoding processing to choose response transcoding node.By random load allocation process, can realize the load balancing of each transcoding node in transcoding cluster, make described transcoding cluster in longer time range,, there is not the transcoding node of high capacity in the transcoding node that does not exist idling to carry yet; Can ensure not load sharp increase at short notice of each transcoding node in described transcoding cluster, ensure transcoding quality simultaneously.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (13)
1. a trans-coding treatment method, is characterized in that, comprising:
In the time receiving transcoding request, obtain the idleness of the transcoding cluster that at least one transcoding node forms;
According to the idleness of described transcoding cluster, described at least one transcoding node is carried out to random load allocation process, to choose response transcoding node from described at least one transcoding node;
Described transcoding request is sent to described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
2. the method for claim 1, is characterized in that, described in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms, and comprising:
In the time receiving transcoding request, obtain the load factor of each transcoding node in described at least one transcoding node;
According to the load factor of described each transcoding node, calculate the idleness of described each transcoding node;
The idleness of described each transcoding node is carried out to read group total, obtain the idleness of described transcoding cluster.
3. method as claimed in claim 2, is characterized in that, described according to the idleness of described transcoding cluster, and described at least one transcoding node is carried out to random load allocation process, to choose response transcoding node from described at least one transcoding node, comprising:
Adopt the random number within the scope of default value to be weighted processing to the idleness of described transcoding cluster, obtain Random assignment numerical value;
Obtain the access order of described each transcoding node in described transcoding cluster;
Access according to described each transcoding node in described transcoding cluster order, by the computing of successively decreasing of the idleness of described Random assignment numerical value and described each transcoding node;
According to the described operation result that successively decreases, from described at least one transcoding node, choose response transcoding node.
4. method as claimed in claim 3, is characterized in that, the operation result that successively decreases described in described basis is chosen response transcoding node from described at least one transcoding node, comprising:
When described Random assignment numerical value and first to the idleness of M-1 transcoding node successively decrease computing obtain difference be greater than described preset value, and described Random assignment numerical value and first successively decreases difference that computing obtains while being less than preset value to the idleness of M transcoding node, from described at least one transcoding node, chooses M transcoding node;
Be response transcoding node by described M transcoding node determination;
Wherein, M is positive integer; The value of M is more than or equal to 1, and is less than or equal to the quantity of described at least one transcoding node.
5. the method as described in claim 1-4 any one, is characterized in that, described described transcoding request is sent to described response transcoding node, so that after described response transcoding node carries out transcoding processing according to described transcoding request, also comprise:
In the time detecting that the load of described at least one transcoding node changes, upgrade the idleness of described transcoding cluster.
6. method as claimed in claim 5, is characterized in that, described in the time detecting that the load of described at least one transcoding node changes, and upgrades the idleness of described transcoding cluster, comprising:
In the time detecting that the load of arbitrary transcoding node in described at least one transcoding node changes, receive and change the load synchronization message that transcoding node reports;
According to described load variations message, upgrade the load factor of described variation transcoding node;
According to the load factor of described variation transcoding node, calculate the idleness of described variation transcoding node;
According to the idleness of described variation transcoding node, upgrade the idleness of described transcoding cluster.
7. a transcoding processing unit, is characterized in that, comprising:
Acquisition module, in the time receiving transcoding request, obtains the idleness of the transcoding cluster that at least one transcoding node forms;
Processing module, for according to the idleness of described transcoding cluster, carries out random load allocation process to described at least one transcoding node, to choose response transcoding node from described at least one transcoding node;
Transcoding module, for being sent to described transcoding request described response transcoding node, so that described response transcoding node carries out transcoding processing according to described transcoding request.
8. device as claimed in claim 7, is characterized in that, described acquisition module comprises:
Load acquiring unit, in the time receiving transcoding request, obtains the load factor of each transcoding node in described at least one transcoding node;
Idle computing unit, for according to the load factor of described each transcoding node, calculates the idleness of described each transcoding node;
Read group total unit, for the idleness of described each transcoding node is carried out to read group total, obtains the idleness of described transcoding cluster.
9. device as claimed in claim 8, is characterized in that, described processing module comprises:
Weighting processing unit, for adopting the random number within the scope of default value to be weighted processing to the idleness of described transcoding cluster, obtains Random assignment numerical value;
Order acquiring unit, for obtaining the access order of described each transcoding node at described transcoding cluster;
The arithmetic element of successively decreasing, for the access order at described transcoding cluster according to described each transcoding node, by the computing of successively decreasing of the idleness of described Random assignment numerical value and described each transcoding node;
Choose unit, for the operation result that successively decreases described in basis, from described at least one transcoding node, choose response transcoding node.
10. device as claimed in claim 9, is characterized in that, described in choose unit and comprise:
Node selection subelement, for being greater than described preset value with first to the successively decrease difference of computing acquisition of the idleness of M-1 transcoding node when described Random assignment numerical value, and described Random assignment numerical value and first successively decreases difference that computing obtains while being less than preset value to the idleness of M transcoding node, from described at least one transcoding node, chooses M transcoding node;
Node determination subelement, for by described M transcoding node determination being response transcoding node;
Wherein, M is positive integer; The value of M is more than or equal to 1, and is less than or equal to the quantity of described at least one transcoding node.
11. devices as described in claim 7-10 any one, is characterized in that, also comprise:
Update module, in the time detecting that the load of described at least one transcoding node changes, upgrades the idleness of described transcoding cluster.
12. devices as claimed in claim 11, is characterized in that, described update module comprises:
Message sink unit, in the time detecting that the load of the described arbitrary transcoding node of at least one transcoding node changes, receives and changes the load synchronization message that transcoding node reports;
Load updating unit, for according to described load variations message, upgrades the load factor of described variation transcoding node;
Change calculations unit, for according to the load factor of described variation transcoding node, calculates the idleness of described variation transcoding node;
Updating block, for according to the idleness of described variation transcoding node, upgrades the idleness of described transcoding cluster.
13. 1 kinds of servers, is characterized in that, comprise the transcoding processing unit as described in claim 7-12 any one.
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