CN109002348A - Load-balancing method and device in a kind of virtualization system - Google Patents
Load-balancing method and device in a kind of virtualization system Download PDFInfo
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- CN109002348A CN109002348A CN201810834609.7A CN201810834609A CN109002348A CN 109002348 A CN109002348 A CN 109002348A CN 201810834609 A CN201810834609 A CN 201810834609A CN 109002348 A CN109002348 A CN 109002348A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
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Abstract
Disclosed herein is the load-balancing methods and device in a kind of virtualization system.Load-balancing method in virtualization system includes: configuration load balance parameters, according to the load balancing parameter setting load balancing constraint condition；Wherein, the load balancing parameter includes: the minimum interval t that individual host migrates the maximum value m of virtual machine quantity within a dispatching cycle and the same virtual machine migrates twice；When the load for detecting source host is more than threshold value, the virtual machine to be migrated of the source host is determined according to load balancing constraint condition；By on the virtual machine (vm) migration to destination host to be migrated of the source host, and record the migration information of virtual machine.The technical solution of this paper can mitigate the shake of virtual machine business during virtualization system load balancing, prevent system performance from declining.
Description
Technical field
The present invention relates in field of computer technology more particularly to a kind of virtualization system load-balancing method and
Device.
Background technique
Increasingly mature with virtualization technology, load balancing has become essential basis function in virtualization system
Energy.
Load balancing in virtualization system realizes the load balancing between host (server) by migration virtual machine.But
It is that under high-volume virtualized environment, often will appear a large amount of migration task or continually migrate same virtual machine, cause
The shake of virtual machine business and system performance decline.
Summary of the invention
The embodiment of the present invention the technical problem to be solved is that the load-balancing method provided in a kind of virtualization system and
Device can mitigate the shake of virtual machine business during virtualization system load balancing, prevent system performance from declining.
The embodiment of the present invention provides the load-balancing method in a kind of virtualization system, comprising:
Configuration load balance parameters, according to the load balancing parameter setting load balancing constraint condition；Wherein, described negative
Carry balance parameters include: individual host migrate within a dispatching cycle virtual machine quantity maximum value m and it is same virtually
The minimum interval t that machine migrates twice；
The load for detecting source host be more than threshold value when, according to load balancing constraint condition determine the source host to
Migrate virtual machine；
By on the virtual machine (vm) migration to destination host to be migrated of the source host, and record the migration information of virtual machine.
The embodiment of the present invention provides the load balancing apparatus in a kind of virtualization system, comprising:
Parameter configuration module is used for configuration load balance parameters, about according to the load balancing parameter setting load balancing
Beam condition；Wherein, the load balancing parameter includes: the maximum that individual host migrates virtual machine quantity within a dispatching cycle
The minimum interval t that value m and the same virtual machine migrate twice；
List Generating Module is migrated, for being constrained according to load balancing when the load for detecting source host is more than threshold value
Condition determines the virtual machine to be migrated of the source host；
Transferring module, for by the virtual machine (vm) migration to be migrated of the source host to destination host；
Logging modle, for recording the migration information of virtual machine.
The embodiment of the present invention provides the load balancing apparatus in a kind of virtualization system, comprising:
It memory, processor and is stored on the memory and in the virtualization system that can be run on the processor
Load balancing program, the load balancing program in the virtualization system realizes above-mentioned virtualization when being executed by the processor
The step of load-balancing method in system.
Compared with the relevant technologies, the embodiment of the present invention provides the load-balancing method and device in a kind of virtualization system,
It is arranged that individual host migrates the maximum value m of virtual machine quantity within a dispatching cycle and the same virtual machine migrates twice
Minimum interval t, system determines load balancing constraint condition according to the two parameters, super in the load for detecting source host
When crossing threshold value, the virtual machine to be migrated of the source host is determined according to the load balancing constraint condition, by the source host
On virtual machine (vm) migration to destination host to be migrated, and record the migration information of virtual machine.The technical solution energy of the embodiment of the present invention
The task of enough reasonable arrangement migration virtual machines under high-volume environment, to occur during avoiding load balance scheduling a large amount of
Migration task or certain virtual machine business shake (frequent migration causes business to shake).
Detailed description of the invention
Fig. 1 is the load-balancing method flow chart in a kind of virtualization system of the embodiment of the present invention 1；
Fig. 2 is the load balancing apparatus schematic diagram in a kind of virtualization system of the embodiment of the present invention 2；
Fig. 3 is the load-balancing method flow chart in a kind of virtualization system of example 1 of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Embodiment 1
As shown in Figure 1, the embodiment of the invention provides the load-balancing methods in a kind of virtualization system, comprising:
Step S110, configuration load balance parameters, according to the load balancing parameter setting load balancing constraint condition；Its
In, the load balancing parameter includes: the maximum value m that individual host migrates virtual machine quantity within a dispatching cycle, and
The minimum interval t that the same virtual machine migrates twice；
Step S120, when the load for detecting source host is more than threshold value, according to the determination of load balancing constraint condition
The virtual machine to be migrated of source host；
Step S130 by the virtual machine (vm) migration to destination host to be migrated of the source host, and records moving for virtual machine
Move information；
In the present embodiment, source host is the host of virtual machine of moving out, and destination host is the host for moving into virtual machine；
In one embodiment, the load of the host includes any of the following: CPU usage, memory usage,
The synthesis occupancy of CPU and memory；The synthesis occupancy of CPU and memory refers to: CPU usage and memory usage are added
The occupancy obtained after weight average；
Wherein, the load of source host is more than threshold value, is included any of the following: the CPU usage of source host is greater than first
Threshold value, the memory usage of source host are greater than second threshold, and the CPU of source host and the synthesis occupancy of memory are greater than third threshold
Value；
In one embodiment, described that the to be migrated virtual of the source host is determined according to load balancing constraint condition
Machine, including execute following steps:
Each virtual machine on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine is begun stepping through from the highest virtual machine of resources occupation rate, determination meets load balancing constraint condition one
With the virtual machine to be migrated of condition two；
Wherein, the load balancing constraint condition one include: the time interval that migrates twice of the same virtual machine be greater than or
Equal to minimum interval t；The load balancing constraint condition two includes: that individual host migrates virtually within a dispatching cycle
The quantity of machine is less than or equal to maximum value m；
In one embodiment, the resources occupation rate of virtual machine includes any of the following: CPU usage, memory account for
With the synthesis occupancy of rate, CPU and memory；The synthesis occupancy of CPU and memory refers to: by CPU usage and memory usage
The occupancy obtained after being weighted and averaged；
In one embodiment, on the virtual machine (vm) migration to destination host to be migrated by the source host, comprising:
Virtual machine to be migrated each on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine to be migrated is begun stepping through from the highest virtual machine to be migrated of resources occupation rate, according to load balancing plan
Slightly determine the destination host with each virtual machine pairing to be migrated: to the virtual machine to be migrated for currently needing to match, to described
Other hosts in virtualization system where source host are ranked up according to load is ascending, are made the smallest host is loaded
For the corresponding destination host of current virtual machine to be migrated, and the load of the destination host is updated to increase described to be migrated
Load after virtual machine；
It will be on each virtual machine (vm) migration to be migrated to the destination host of pairing of the source host.
In one embodiment, purpose master of each virtual machine (vm) migration to be migrated by the source host to pairing
On machine, comprising: start simultaneously at each virtual machine to be migrated for migrating the source host；
In one embodiment, the migration information of the virtual machine includes: the mark of virtual machine and the migration of virtual machine
Time.
The technical solution of the embodiment of the present invention can under high-volume environment reasonable arrangement migration virtual machine task, thus
Avoiding occurring during load balance scheduling a large amount of migration task or the shake of certain virtual machine business, (frequent migration causes business
Shake).
Embodiment 2
As shown in Fig. 2, the embodiment of the invention provides the load balancing apparatus in a kind of virtualization system, comprising:
Parameter configuration module 201 is used for configuration load balance parameters, according to the load balancing parameter setting load balancing
Constraint condition；Wherein, the load balancing parameter includes: that individual host migrates virtual machine quantity most within a dispatching cycle
The minimum interval t that big value m and the same virtual machine migrate twice；
Migrate List Generating Module 202, for the load for detecting source host be more than threshold value when, about according to load balancing
Beam condition determines the virtual machine to be migrated of the source host；
Transferring module 203, for by the virtual machine (vm) migration to be migrated of the source host to destination host；
Logging modle 204, for recording the migration information of virtual machine；
In the present embodiment, source host is the host of virtual machine of moving out, and destination host is the host for moving into virtual machine；
In one embodiment, the load of the host includes any of the following: CPU usage, memory usage,
The synthesis occupancy of CPU and memory；The synthesis occupancy of CPU and memory refers to: CPU usage and memory usage are added
The occupancy obtained after weight average；
Wherein, the load of source host is more than threshold value, is included any of the following: the CPU usage of source host is greater than first
Threshold value, the memory usage of source host are greater than second threshold, and the CPU of source host and the synthesis occupancy of memory are greater than third threshold
Value；
In one embodiment, List Generating Module 202 is migrated, for constraining in the following ways according to load balancing
Condition determines the virtual machine to be migrated of the source host:
Each virtual machine on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine is begun stepping through from the highest virtual machine of resources occupation rate, determination meets load balancing constraint condition one
With the virtual machine to be migrated of condition two；
Wherein, the load balancing constraint condition one include: the time interval that migrates twice of the same virtual machine be greater than or
Equal to minimum interval t；The load balancing constraint condition two includes: that individual host migrates virtually within a dispatching cycle
The quantity of machine is less than or equal to maximum value m；
In one embodiment, the resources occupation rate of virtual machine includes any of the following: CPU usage, memory account for
With the synthesis occupancy of rate, CPU and memory；The synthesis occupancy of CPU and memory refers to: by CPU usage and memory usage
The occupancy obtained after being weighted and averaged；
In one embodiment, transferring module 203, in the following ways by the to be migrated virtual of the source host
Machine moves on destination host: is arranged from high to low according to resources occupation rate virtual machine to be migrated each on the source host
Sequence；Each virtual machine to be migrated is begun stepping through from the highest virtual machine to be migrated of resources occupation rate, it is true according to load balancing
Fixed and each virtual machine pairing to be migrated destination host: to the virtual machine to be migrated for currently needing to match, to the source master
Other hosts in virtualization system where machine according to load it is ascending be ranked up, the smallest host of load as working as
The corresponding destination host of preceding virtual machine to be migrated, and the load of the destination host is updated to increase described to be migrated virtual
Load after machine；It will be on each virtual machine (vm) migration to be migrated to the destination host of pairing of the source host.
In one embodiment, transferring module 203, for starting simultaneously at each void to be migrated for migrating the source host
Quasi- machine；
In one embodiment, the migration information of the virtual machine includes: the mark of virtual machine and the migration of virtual machine
Time.
The technical solution of the embodiment of the present invention can under high-volume environment reasonable arrangement migration virtual machine task, thus
Avoiding occurring during load balance scheduling a large amount of migration task or the shake of certain virtual machine business, (frequent migration causes business
Shake).
Embodiment 3
The embodiment of the invention provides the load balancing apparatus in a kind of virtualization system, comprising:
It memory, processor and is stored on the memory and in the virtualization system that can be run on the processor
Load balancing program, the load balancing program in the virtualization system realizes above-mentioned virtualization when being executed by the processor
The step of load-balancing method in system.
Wherein, memory can be various by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Processor can be central processing unit (CPU) either Field Programmable Logic Array (FPGA) or single-chip microcontroller
(MCU) either digital signal processor (DSP) or specific integrated circuit (ASIC) etc. have data-handling capacity and/or program
The logical operation device of executive capability.
Illustrate the load-balancing method of the application below by example 1.
Example 1
This example is directed to virtualization system, proposes the load-balancing method in a kind of virtualization system, can virtualize
Mitigate the shake of virtual machine business during system load balancing, prevents system performance from declining.
As shown in figure 3, the load-balancing method in a kind of virtualization system, may comprise steps of:
Step S301, configuration load balance parameters, according to the load balancing parameter setting load balancing constraint condition；
Wherein, the load balancing parameter includes: the maximum that individual host migrates the quantity of virtual machine in one cycle
The minimum interval t that value m and the same virtual machine migrate twice；
Step S302 detects the source host in virtualization system with the presence or absence of load more than threshold value, is to then follow the steps
S303, it is no to then follow the steps S302；
Step S303 is ranked up each virtual machine on the source host according to resources occupation rate, from high to low from money
Occupancy highest virtual machine in source begins stepping through each virtual machine；
Step S304, inquiry virtual machine (vm) migration record judge that the virtual machine is to execute with the presence or absence of corresponding record
Step S305, it is no to then follow the steps S306；
Step S305 judges whether the time interval between the time and current time of the virtual machine last time migration is big
It is to then follow the steps S306 in or equal to the minimum interval t, it is no to then follow the steps S307；
The virtual machine is determined as virtual machine to be migrated by step S306；
Step S307, judges whether the virtual machine quantity n to be migrated of the source host is less than or equal to maximum value m, is then
Step S308 is executed, it is no to then follow the steps S310；
Step S308 judges whether the virtual machine is the last one virtual machine on the source host, is to execute step
Rapid S310, it is no to then follow the steps S309；
Step S309 checks next virtual machine, return step S304；
Step S310 arranges virtual machine to be migrated each on the source host according to resources occupation rate from high to low
Sequence；
Step S311 begins stepping through each virtual machine to be migrated from the highest virtual machine to be migrated of resources occupation rate, according to
Load balancing determines the destination host with each virtual machine pairing to be migrated；
Step S312, will be on each virtual machine (vm) migration to be migrated to the destination host of pairing of the source host；
Step S313 records the migration information of virtual machine.
Wherein, the migration information of the virtual machine includes: the mark of virtual machine and the transit time of virtual machine.
This exemplary load-balancing method migrates the quantity of virtual machine most by the way that individual host is arranged in one cycle
The minimum interval t that big value m and the same virtual machine migrate twice, system is according to the two parameters in high-volume environment
The task of lower reasonable arrangement migration virtual machine, to occur a large amount of migration task or certain during avoiding load balance scheduling
Virtual machine business shakes (frequent migration causes business to shake).
It should be noted that the invention may also have other embodiments, without departing substantially from spirit of that invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these are corresponding
Change and modification all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. the load-balancing method in a kind of virtualization system, comprising:
Configuration load balance parameters, according to the load balancing parameter setting load balancing constraint condition；Wherein, the load is equal
Weighing apparatus parameter includes: the maximum value m and the same virtual machine two that individual host migrates virtual machine quantity within a dispatching cycle
The minimum interval t of secondary migration；
When the load for detecting source host is more than threshold value, the to be migrated of the source host is determined according to load balancing constraint condition
Virtual machine；
By on the virtual machine (vm) migration to destination host to be migrated of the source host, and record the migration information of virtual machine.
2. the method as described in claim 1, it is characterised in that:
The virtual machine to be migrated that the source host is determined according to load balancing constraint condition, comprising:
Each virtual machine on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine is begun stepping through from the highest virtual machine of resources occupation rate, determination meets load balancing constraint condition one and item
The virtual machine to be migrated of part two；
Wherein, the load balancing constraint condition one includes: that the time interval that migrates twice of the same virtual machine is greater than or equal to
Minimum interval t；The load balancing constraint condition two includes: that individual host migrates virtual machine within a dispatching cycle
Quantity is less than or equal to maximum value m.
3. method according to claim 1 or 2, it is characterised in that:
On the virtual machine (vm) migration to destination host to be migrated by the source host, comprising:
Virtual machine to be migrated each on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine to be migrated is begun stepping through from the highest virtual machine to be migrated of resources occupation rate, it is true according to load balancing
Fixed and each virtual machine pairing to be migrated destination host: to the virtual machine to be migrated for currently needing to match, to the source master
Other hosts in virtualization system where machine according to load it is ascending be ranked up, the smallest host of load as working as
The corresponding destination host of preceding virtual machine to be migrated, and the load of the destination host is updated to increase described to be migrated virtual
Load after machine；
It will be on each virtual machine (vm) migration to be migrated to the destination host of pairing of the source host.
4. the method as described in claim 1, it is characterised in that:
The migration information of the virtual machine includes: the mark of virtual machine and the transit time of virtual machine.
5. method as claimed in claim 3, it is characterised in that:
The load of source host is more than threshold value, is included any of the following: the CPU usage of source host is greater than first threshold, source master
The memory usage of machine is greater than second threshold, and the CPU of source host and the synthesis occupancy of memory are greater than third threshold value.
6. the load balancing apparatus in a kind of virtualization system, comprising:
Parameter configuration module is used for configuration load balance parameters, constrains item according to the load balancing parameter setting load balancing
Part；Wherein, the load balancing parameter includes: the maximum value m that individual host migrates virtual machine quantity within a dispatching cycle,
And the minimum interval t that the same virtual machine migrates twice；
Migrate List Generating Module, for the load for detecting source host be more than threshold value when, according to load balancing constraint condition
Determine the virtual machine to be migrated of the source host；
Transferring module, for by the virtual machine (vm) migration to be migrated of the source host to destination host；
Logging modle, for recording the migration information of virtual machine.
7. load balancing apparatus as claimed in claim 6, it is characterised in that:
Migrate List Generating Module, in the following ways according to load balancing constraint condition determine the source host wait move
Move virtual machine:
Each virtual machine on the source host is ranked up from high to low according to resources occupation rate；
Each virtual machine is begun stepping through from the highest virtual machine of resources occupation rate, determination meets load balancing constraint condition one and item
The virtual machine to be migrated of part two；
Wherein, the load balancing constraint condition one includes: that the time interval that migrates twice of the same virtual machine is greater than or equal to
Minimum interval t；The load balancing constraint condition two includes: that individual host migrates virtual machine within a dispatching cycle
Quantity is less than or equal to maximum value m.
8. load balancing apparatus as claimed in claim 6, it is characterised in that:
Transferring module, in the following ways by the virtual machine (vm) migration to be migrated of the source host to destination host: to institute
Each virtual machine to be migrated on source host is stated to be ranked up from high to low according to resources occupation rate；From resources occupation rate it is highest to
Migration virtual machine begins stepping through each virtual machine to be migrated, determines according to load balancing and matches with each virtual machine to be migrated
Pair destination host: to the virtual machine to be migrated for currently needing to match, to its in the virtualization system where the source host
He is ranked up host according to load is ascending, using the smallest host of load as the currently corresponding purpose of virtual machine to be migrated
Host, and the load of the destination host is updated to increase the load after the virtual machine to be migrated；By the source host
Each virtual machine (vm) migration to be migrated to the destination host of pairing on.
9. load balancing apparatus as claimed in claim 6, it is characterised in that:
The migration information of the virtual machine includes: the mark of virtual machine and the transit time of virtual machine.
10. the load balancing apparatus in a kind of virtualization system, comprising:
It memory, processor and is stored in negative on the memory and in the virtualization system that can be run on the processor
Equalization program is carried, the claims 1- is realized when the load balancing program in the virtualization system is executed by the processor
The step of load-balancing method in virtualization system described in any one of 5.
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| CN109783199A (en) * | 2019-03-28 | 2019-05-21 | 浪潮商用机器有限公司 | A kind of virtual machine migration method and device |
| CN110780869A (en) * | 2019-10-31 | 2020-02-11 | 辽宁振兴银行股份有限公司 | Distributed batch scheduling |
| CN112764879A (en) * | 2021-01-14 | 2021-05-07 | 深圳市科思科技股份有限公司 | Load balancing method, electronic device and computer readable storage medium |
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