CN105426229A - Virtual machine migration method and device - Google Patents
Virtual machine migration method and device Download PDFInfo
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- CN105426229A CN105426229A CN201510892050.XA CN201510892050A CN105426229A CN 105426229 A CN105426229 A CN 105426229A CN 201510892050 A CN201510892050 A CN 201510892050A CN 105426229 A CN105426229 A CN 105426229A
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- virtual machine
- energy consumption
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- 238000013508 migration Methods 0.000 title claims abstract description 49
- 230000005012 migration Effects 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005265 energy consumption Methods 0.000 claims abstract description 84
- 238000005057 refrigeration Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The embodiment of the invention provides a virtual machine migration method and device. The method comprises the following steps: determining a first CPU utilization rate of a source server occupied by a virtual machine to be migrated; budgeting energy consumption, which is generated by alternative servers within a predetermined time slot after the virtual machine to be migrated is migrated to the alternative servers, according to the first CPU utilization rate and the second CPU utilization rate of the alternative servers, wherein the plurality of alternative servers are arranged; and migrating the virtual machine to be migrated from the source server to the alternative server having the lowest energy consumption. According to the embodiment provided by the invention, the energy consumption, which is generated by the alternative servers within the predetermined time slot after the virtual machine to be migrated is migrated to the alternative servers, is budgeted; the alternative server having the lowest energy consumption is used as the target physical server; the virtual machine to be migrated is migrated to the target physical server from the source server; and the target physical server, to which the virtual machine is migrated, is precisely determined.
Description
Technical field
The embodiment of the present invention relates to field of computer technology, particularly relates to a kind of virtual machine migration method and device.
Background technology
Along with the development of computer technology, the virtual machine with complete hardware system function and SOS can be simulated in the existing operating system of computing machine by software virtual machine.
In prior art, data center based on cloud computing comprises multiple frame, multiple refrigeration plant and switch, wherein, each frame is placed with multiple physical server, each physical server can fictionalize multiple virtual machine, have a refrigeration plant for each frame, refrigeration plant can cool to the physical server in frame, and switch is for realizing the data communication of this data center and extraneous network.If the virtual machine run in physical server is more, increase causing the load of this physical server, if the virtual machine run in physical server is less, this physical server utilization factor will be caused lower, the energy consumption that this physical server produces simultaneously causes the overall energy consumption of data center to increase.
In order to ensure that the load of physical server remains in certain threshold range, load is exceeded virtual machine (vm) migration on the physical server of this upper threshold limit on the less physical server of load by prior art, by load lower than the virtual machine (vm) migration on the physical server of this lower threshold limit on other physical servers, but, the physical server that load is less and other physical servers are all uncertain, and prior art precisely can not determine the target physical server that virtual machine moves to.
Summary of the invention
The embodiment of the present invention provides a kind of virtual machine migration method and device, precisely to determine the target physical server that virtual machine moves to.
An aspect of the embodiment of the present invention is to provide a kind of virtual machine migration method, comprising:
Determine the first cpu busy percentage of the source server that virtual machine to be migrated takies;
According to described first cpu busy percentage and alternate servers the second cpu busy percentage budget described in virtual machine (vm) migration to be migrated after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple;
Described virtual machine to be migrated is moved to the minimum alternate servers of energy consumption from described source server.
Another aspect of the embodiment of the present invention is to provide a kind of virtual machine (vm) migration device, comprising:
Determination module, for determining the first cpu busy percentage of the source server that virtual machine to be migrated takies;
Budget module, for virtual machine (vm) migration to be migrated described in the second cpu busy percentage budget according to described first cpu busy percentage and alternate servers after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple;
Transferring module, for moving to the minimum alternate servers of energy consumption by described virtual machine to be migrated from described source server.
The virtual machine migration method that the embodiment of the present invention provides and device, pass budgets after virtual machine (vm) migration to be migrated to alternate servers, the energy consumption that alternate servers produces within a predetermined period of time, using alternate servers minimum for energy consumption as target physical server, and virtual machine to be migrated is moved to this target physical server from source server, precisely determine the target physical server that virtual machine moves to.
Accompanying drawing explanation
The virtual machine migration method process flow diagram that Fig. 1 provides for the embodiment of the present invention;
The structural drawing of the virtual machine (vm) migration device that Fig. 2 provides for the embodiment of the present invention.
Embodiment
The virtual machine migration method process flow diagram that Fig. 1 provides for the embodiment of the present invention.Load to be exceeded virtual machine (vm) migration on the physical server of this upper threshold limit on the less physical server of load for prior art by the embodiment of the present invention, by load lower than the virtual machine (vm) migration on the physical server of this lower threshold limit on other physical servers, but, the physical server that load is less and other physical servers are all uncertain, prior art precisely can not determine the target physical server that virtual machine moves to, provide virtual machine migration method, the method concrete steps are as follows:
Step S101, determine the first cpu busy percentage of the source server that virtual machine to be migrated takies;
Data center based on cloud computing comprises multiple frame, multiple refrigeration plant and switch, wherein, each frame is placed with multiple physical server, each physical server can fictionalize multiple virtual machine, a refrigeration plant is had for each frame, refrigeration plant can cool to the physical server in frame, and switch is for realizing the data communication of this data center and extraneous network.If the virtual machine run in physical server is more, increase causing the load of this physical server, if the virtual machine run in physical server is less, this physical server utilization factor will be caused lower, the energy consumption that this physical server produces simultaneously causes the overall energy consumption of data center to increase.Therefore, the load of physical server remains in certain threshold range, the quantity of the virtual machine namely run in physical server remains in certain threshold range, therefore, exceed the virtual machine on the physical server of this upper threshold limit and are all virtual machines to be migrated lower than the virtual machine on the physical server of this lower threshold limit, calculate the first cpu busy percentage that virtual machine to be migrated takies the physical server at its place, specifically monitor the first cpu busy percentage taking physical server when virtual machine runs by the monitoring of software on physical server.
Step S102, according to described first cpu busy percentage and alternate servers the second cpu busy percentage budget described in virtual machine (vm) migration to be migrated after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple;
The embodiment of the present invention provides multiple alternate servers, and from multiple alternate servers, determine a destination server, by virtual machine (vm) migration to be migrated on this destination server, for each alternate servers, within a predetermined period of time, second cpu busy percentage of alternate servers is time dependent, if described virtual machine (vm) migration to be migrated is to described alternate servers, second cpu busy percentage of this alternate servers will be increased, increase the energy consumption of alternate servers simultaneously, concrete, according to described first cpu busy percentage and alternate servers the second cpu busy percentage budget described in virtual machine (vm) migration to be migrated after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time.
Step S103, described virtual machine to be migrated to be moved to the minimum alternate servers of energy consumption from described source server.
If the minimum value in the power consumption values that the power consumption values that a certain alternate servers produces within a predetermined period of time is all alternate servers to be produced within a predetermined period of time, then move to described virtual machine to be migrated the minimum alternate servers of energy consumption from described source server.
The embodiment of the present invention passes budgets after virtual machine (vm) migration to be migrated to alternate servers, the energy consumption that alternate servers produces within a predetermined period of time, using alternate servers minimum for energy consumption as target physical server, and virtual machine to be migrated is moved to this target physical server from source server, precisely determine the target physical server that virtual machine moves to.
On the basis of above-described embodiment, virtual machine (vm) migration to be migrated described in described the second cpu busy percentage budget according to described first cpu busy percentage and alternate servers is after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, comprising: according to the second cpu busy percentage U of described first cpu busy percentage U and i-th alternate servers at moment t
it, after virtual machine (vm) migration to be migrated described in () budget to described i-th alternate servers, described i-th alternate servers is at the energy consumption P of moment t
i(t), P
i(t)=K*P
imax+ (1-K) * P
imax* (U
i(t)+U), wherein, 1≤i≤N, N represents total number of alternate servers, the ratio of the baseline energy consumption that K represents described i-th alternate servers and energy consumption at full capacity, described baseline energy consumption be described i-th alternate servers do not operate virtual machine time energy consumption, P
imaxrepresent the energy consumption at full capacity of described i-th alternate servers; According to the energy consumption P of described i-th alternate servers at moment t
it energy consumption E that described in () budget, i-th alternate servers produces in predetermined amount of time (t1, t2)
i(t),
Described described virtual machine to be migrated to be moved to the minimum alternate servers of energy consumption from described source server, comprising: if E
i(t)=min{E
1(t), E
2(t) ..., E
n(t) }, then described virtual machine to be migrated is moved to described i-th alternate servers from described source server.
Described alternate servers and described source server are in the same rack.In embodiments of the present invention, described alternate servers and described source server can in the same rack, by the server in same frame except source server as alternate servers.
Described source server is in the first frame, and described alternate servers is in the second frame; Described method also comprises: if the total energy consumption that in described first frame, Servers-all produces in described predetermined amount of time is more than or equal to threshold value, then moved respectively by virtual machine corresponding for each server in described first frame.
In addition, described alternate servers and described source server can not also be in the same rack, if the total energy consumption that in described first frame, Servers-all produces in described predetermined amount of time is more than or equal to threshold value, then according to the method for above-described embodiment, destination server to be migrated is determined respectively for each virtual machine that each server in described first frame is corresponding, and virtual machine corresponding for each server in described first frame is moved on respective destination server respectively, the virtual machine opened by Servers-all in the first frame all moves away, and close this first frame, close the refrigeration plant that this first frame is corresponding simultaneously.
The embodiment of the present invention show in particular hypothesis virtual machine (vm) migration to be migrated after alternate servers, the budget method of the energy consumption that alternate servers produces within a predetermined period of time; Close energy consumption in predetermined amount of time and exceed the frame of threshold value, save energy consumption, close refrigeration plant corresponding to this frame simultaneously and can save energy consumption further.
The structural drawing of the virtual machine (vm) migration device that Fig. 2 provides for the embodiment of the present invention.The virtual machine (vm) migration device that the embodiment of the present invention provides can perform the treatment scheme that virtual machine migration method embodiment provides, as shown in Figure 2, virtual machine (vm) migration device 20 comprises determination module 21, budget module 22 and transferring module 23, wherein, determination module 21 is for determining the first cpu busy percentage of the source server that virtual machine to be migrated takies; Budget module 22 for virtual machine (vm) migration to be migrated described in the second cpu busy percentage budget according to described first cpu busy percentage and alternate servers after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple; Transferring module 23 is for moving to the minimum alternate servers of energy consumption by described virtual machine to be migrated from described source server.
The embodiment of the present invention passes budgets after virtual machine (vm) migration to be migrated to alternate servers, the energy consumption that alternate servers produces within a predetermined period of time, using alternate servers minimum for energy consumption as target physical server, and virtual machine to be migrated is moved to this target physical server from source server, precisely determine the target physical server that virtual machine moves to.
On the basis of above-described embodiment, budget module 22 is specifically for according to the second cpu busy percentage U of described first cpu busy percentage U and i-th alternate servers at moment t
it, after virtual machine (vm) migration to be migrated described in () budget to described i-th alternate servers, described i-th alternate servers is at the energy consumption P of moment t
i(t), P
i(t)=K*P
imax+ (1-K) * P
imax* (U
i(t)+U), wherein, 1≤i≤N, N represents total number of alternate servers, the ratio of the baseline energy consumption that K represents described i-th alternate servers and energy consumption at full capacity, described baseline energy consumption be described i-th alternate servers do not operate virtual machine time energy consumption, P
imaxrepresent the energy consumption at full capacity of described i-th alternate servers; According to the energy consumption P of described i-th alternate servers at moment t
it energy consumption E that described in () budget, i-th alternate servers produces in predetermined amount of time (t1, t2)
i(t),
If transferring module 23 is specifically for E
i(t)=min{E
1(t), E
2(t) ..., E
n(t) }, then described virtual machine to be migrated is moved to described i-th alternate servers from described source server.
Described alternate servers and described source server are in the same rack.
Described source server is in the first frame, and described alternate servers is in the second frame; If transferring module 23 total energy consumption that also Servers-all produces in described predetermined amount of time in described first frame is more than or equal to threshold value, then virtual machine corresponding for each server in described first frame is moved respectively.
The virtual machine (vm) migration device that the embodiment of the present invention provides can specifically for performing the embodiment of the method that above-mentioned Fig. 1 provides, and concrete function repeats no more herein.
The embodiment of the present invention show in particular hypothesis virtual machine (vm) migration to be migrated after alternate servers, the budget method of the energy consumption that alternate servers produces within a predetermined period of time; Close energy consumption in predetermined amount of time and exceed the frame of threshold value, save energy consumption, close refrigeration plant corresponding to this frame simultaneously and can save energy consumption further.
In sum, the embodiment of the present invention passes budgets after virtual machine (vm) migration to be migrated to alternate servers, the energy consumption that alternate servers produces within a predetermined period of time, using alternate servers minimum for energy consumption as target physical server, and virtual machine to be migrated is moved to this target physical server from source server, precisely determine the target physical server that virtual machine moves to; Show in particular hypothesis virtual machine (vm) migration to be migrated after alternate servers, the budget method of the energy consumption that alternate servers produces within a predetermined period of time; Close energy consumption in predetermined amount of time and exceed the frame of threshold value, save energy consumption, close refrigeration plant corresponding to this frame simultaneously and can save energy consumption further.
In several embodiment provided by the present invention, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-OnlyMemory, ROM), random access memory (RandomAccessMemory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by device is divided into different functional modules, to complete all or part of function described above.The specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a virtual machine migration method, is characterized in that, comprising:
Determine the first cpu busy percentage of the source server that virtual machine to be migrated takies;
According to described first cpu busy percentage and alternate servers the second cpu busy percentage budget described in virtual machine (vm) migration to be migrated after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple;
Described virtual machine to be migrated is moved to the minimum alternate servers of energy consumption from described source server.
2. method according to claim 1, it is characterized in that, virtual machine (vm) migration to be migrated described in described the second cpu busy percentage budget according to described first cpu busy percentage and alternate servers is after described alternate servers, and the energy consumption that described alternate servers produces within a predetermined period of time, comprising:
According to the second cpu busy percentage U of described first cpu busy percentage U and i-th alternate servers at moment t
it, after virtual machine (vm) migration to be migrated described in () budget to described i-th alternate servers, described i-th alternate servers is at the energy consumption P of moment t
i(t), P
i(t)=K*P
imax+ (1-K) * P
imax* (U
i(t)+U), wherein, 1≤i≤N, N represents total number of alternate servers, the ratio of the baseline energy consumption that K represents described i-th alternate servers and energy consumption at full capacity, described baseline energy consumption be described i-th alternate servers do not operate virtual machine time energy consumption, P
imaxrepresent the energy consumption at full capacity of described i-th alternate servers;
According to the energy consumption P of described i-th alternate servers at moment t
it energy consumption E that described in () budget, i-th alternate servers produces in predetermined amount of time (t1, t2)
i(t),
3. method according to claim 2, is characterized in that, is describedly moved to the minimum alternate servers of energy consumption from described source server by described virtual machine to be migrated, comprising:
If E
i(t)=min{E
1(t), E
2(t) ..., E
n(t) }, then described virtual machine to be migrated is moved to described i-th alternate servers from described source server.
4. method according to claim 3, is characterized in that, described alternate servers and described source server are in the same rack.
5. method according to claim 3, is characterized in that, described source server is in the first frame, and described alternate servers is in the second frame;
Described method also comprises:
If the total energy consumption that in described first frame, Servers-all produces in described predetermined amount of time is more than or equal to threshold value, then virtual machine corresponding for each server in described first frame is moved respectively.
6. a virtual machine (vm) migration device, is characterized in that, comprising:
Determination module, for determining the first cpu busy percentage of the source server that virtual machine to be migrated takies;
Budget module, for virtual machine (vm) migration to be migrated described in the second cpu busy percentage budget according to described first cpu busy percentage and alternate servers after described alternate servers, the energy consumption that described alternate servers produces within a predetermined period of time, the number of described alternate servers is multiple;
Transferring module, for moving to the minimum alternate servers of energy consumption by described virtual machine to be migrated from described source server.
7. virtual machine (vm) migration device according to claim 6, is characterized in that, described budget module is specifically for according to the second cpu busy percentage U of described first cpu busy percentage U and i-th alternate servers at moment t
it, after virtual machine (vm) migration to be migrated described in () budget to described i-th alternate servers, described i-th alternate servers is at the energy consumption P of moment t
i(t), P
i(t)=K*P
imax+ (1-K) * P
imax* (U
i(t)+U), wherein, 1≤i≤N, N represents total number of alternate servers, the ratio of the baseline energy consumption that K represents described i-th alternate servers and energy consumption at full capacity, described baseline energy consumption be described i-th alternate servers do not operate virtual machine time energy consumption, P
imaxrepresent the energy consumption at full capacity of described i-th alternate servers; According to the energy consumption P of described i-th alternate servers at moment t
it energy consumption E that described in () budget, i-th alternate servers produces in predetermined amount of time (t1, t2)
i(t),
8. virtual machine (vm) migration device according to claim 7, is characterized in that, if described transferring module is specifically for E
i(t)=min{E
1(t), E
2(t) ..., E
n(t) }, then described virtual machine to be migrated is moved to described i-th alternate servers from described source server.
9. virtual machine (vm) migration device according to claim 8, is characterized in that, described alternate servers and described source server are in the same rack.
10. virtual machine (vm) migration device according to claim 8, is characterized in that, described source server is in the first frame, and described alternate servers is in the second frame;
If the described transferring module total energy consumption that also Servers-all produces in described predetermined amount of time in described first frame is more than or equal to threshold value, then virtual machine corresponding for each server in described first frame is moved respectively.
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| CN201510892050.XA CN105426229A (en) | 2015-12-07 | 2015-12-07 | Virtual machine migration method and device |
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| CN201510892050.XA CN105426229A (en) | 2015-12-07 | 2015-12-07 | Virtual machine migration method and device |
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| CN105426229A true CN105426229A (en) | 2016-03-23 |
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| CN108268321A (en) * | 2016-12-30 | 2018-07-10 | 三星电子株式会社 | For migrating the method for workload and machine frame system |
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