CN104899094A - Virtual machine load balance processing method - Google Patents
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- CN104899094A CN104899094A CN201410077897.8A CN201410077897A CN104899094A CN 104899094 A CN104899094 A CN 104899094A CN 201410077897 A CN201410077897 A CN 201410077897A CN 104899094 A CN104899094 A CN 104899094A
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Abstract
The invention relates to the technical field of a data center, in particular to a virtual machine load balance processing method. The virtual machine load balance processing method is applied to a main management module of a virtual machine server cluster domain; virtual machine servers of different manufacturers are mounted in the virtual machine server cluster domain; the virtual machine servers of each manufacturer belong to the management of management modules of the manufacturer per se; a management module in charge of the load balance management of the cluster domain is the main management module, the rest of management modules are slave management modules; virtual machine resource information and virtual machine load information in management regions of the management modules are collected by communication with the virtual machine servers managed by the main management module; the virtual machine servers inquire virtual machines (VM) which are in a useful state and have the minimal external movable connection number; and if only one VM which is in the useful state and has the minimal external movable connection number is inquired, the VM is used as a target VM, and the target VM directly issues to the corresponding virtual machine server.
Description
Technical field
The present invention relates to the technical field of data center, particularly relate to a kind of method of virtual machine load balance process.
Background technology
Load balancing (Load Balance), also referred to as load balancing, load (task) can be carried out balancing, share on multiple operating unit and perform, such as Web server, FTP server, enterprise crucial application server and other mission critical server etc., thus task of jointly finishing the work.Wherein, virtual machine (Virtual Machine) refer to by software simulation have complete hardware system function, the complete computer operated in a completely isolated environment.Virtual machine load-balancing technique ceaselessly can monitor the utility ratio of resource pool in virtual server mainframe cluster continuously, and can distribute resource needed for it intelligently according to service needed in virtual machine.By dynamic distribution EQUILIBRIUM CALCULATION FOR PROCESS resource, virtual machine load-balancing technique can integrated service device, thus the continuity of the business of maintenance and security, raising resource utilization, save IT cost and energy resource consumption.
Intel Virtualization Technology is the core key technology in cloud computing.One station server can be virtualized into multiple stage virtual machine VM (Virtual Machine), for user provides more efficient data, services by Intel Virtualization Technology.But, due to the difference of each physical host processing power and the uncertainty of each application program, result in the load imbalance of each physical host in virtual computation environmental, namely the resource utilization of some physical host is very high, cause the resource of this physical host depleted, and the resource utilization of some physical host is very low, even idle, do not effectively utilized.
In current virtualized mainstream vendor, VMware and Microsoft has released virtual machine load-balancing technique, and the virtual XEN that increases income also releases virtual load-balancing technique in preparation.Wherein, different manufacturers utilizes virtual machine management platform to carry out the instrument of load balancing, strategy, communication mode are normally different, such as, by the loading condition weighing whole cluster environment, the load balancing operating strategy of VMware judges whether current hosts transships, in order to reach balance, load balancing management moves out virtual machine by virtual machine migration tool from the main frame of overload.And the load balancing operating strategy of Microsoft can not remove the loading condition calculating whole cluster, resource utilization by means of only separate unit host decides to do online migration the need of to virtual machine after whether this main frame transships and transship, such as, if when the memory usage of current hosts exceedes " physical memory total amount deducts the reserved amount of ram of host ", load balancing service just thinks that this main frame transships.Therefore, in prior art, the mutual load of virtual machine server in cluster that the mixing cluster installed based on the virtual machine server of different manufacturers does not realize different manufacturers is shared, and therefore, the existing management of the virtual machine load balancing based on cluster haves much room for improvement.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, a kind of method of virtual machine load balance process is provided, the virtual machine server solving different manufacturers can not cooperate and share in virtual machine server cluster of domain, to realize the balance dispatching to VM resource, make server resource can obtain the scheduling of maximal efficiency.
Technical scheme of the present invention is: a kind of method of virtual machine load balance process, be applied in the main management module of virtual machine server cluster of domain, described virtual machine server cluster of domain has installed the virtual machine server of different manufacturers, the virtual machine server of each producer belongs to the administration module management of this producer, the administration module being responsible for the management of cluster of domain load balancing is main management module, remaining administration module is from administration module, comprises the following steps:
A. the resources of virtual machine information in this administration module management domain and virtual machine load information is collected by communicating with the virtual machine server that this administration module manages, from the resources of virtual machine information in administration module management domain and virtual machine load information described in reception reports from administration module, add up the resources of virtual machine information in described virtual machine server cluster of domain and virtual machine load information;
B. virtual machine server inquiry is in upstate and is externally flexibly connected the minimum virtual machine VM of number; If only inquire a virtual machine VM to be in upstate and to be externally flexibly connected number minimum, then using this virtual machine VM as target virtual machine VM;
Be in upstate more than the virtual machine VM of and to be externally flexibly connected number minimum if c. inquired, then in this multiple stage virtual machine VM, choose the minimum virtual machine VM of real-time traffic as target virtual machine VM;
D. on connection establishment to target virtual machine VM, respective virtual machine server is directly handed down to by this target virtual machine VM, as produced the load balancing task of virtual machine server from administration module management domain, then send to and issue from administration module accordingly.
In described step c, during virtual machine server inquiry virtual machine VM, if when a certain virtual machine VM is in and carries out the transition state moved between different server, the virtual machine VM that this is in transition state by virtual machine server is set to down state; After migration completes, again this virtual machine VM is set to upstate, virtual machine server adds up the external flexible connection number of this virtual machine VM, makes this virtual machine VM again participate in load balance scheduling.
Compared with the prior art, beneficial effect of the present invention is embodied in:
In the method for virtual machine load balance process of the present invention, be responsible for the resources of virtual machine information of virtual machine server in this management domain and the collection of virtual machine load information from administration module and report, and be responsible for sharing issuing of task, the virtual machine server achieving different manufacturers by the cooperation between master and slave administration module cooperates load sharing in cluster of domain, improves resource utilization and the scheduling of resource ability of data center's virtual machine server cluster.By the scheduling of this combined strategy, external request can be evenly distributed on each VM, thus realize the balance dispatching to VM resource, make server resource can obtain the scheduling of maximal efficiency.] Real-Time Scheduling of the present invention, server resource expense is less, and efficiency is high.The inventive method, mutually compatible with existing standard, dispatching algorithm efficiency is high, and load balancing scheduling of resource under virtualized environment is evenly distributed.
Embodiment
Be applied in the main management module of virtual machine server cluster of domain, described virtual machine server cluster of domain has installed the virtual machine server of different manufacturers, the virtual machine server of each producer belongs to the administration module management of this producer, the administration module being responsible for the management of cluster of domain load balancing is main management module, remaining administration module is from administration module, wherein, the mode of operation of the administration module of arbitrary producer all can be set to main management pattern or from management mode, described main management pattern refers to the load balancing management of responsible cluster of domain, describedly to refer in this management domain responsible the resources of virtual machine information of virtual machine server and the collection of virtual machine load information from management mode and report, and be responsible for sharing issuing of task, the administration module worked under main management pattern is main management module, and the administration module worked in from management mode is from administration module.Wherein, resources of virtual machine information comprises one or more of following information: the online information of virtual machine server, the resource behaviour in service information of virtual machine server; Wherein, the resource behaviour in service of virtual machine server comprises: the behaviour in service of CPU, the behaviour in service of internal memory.
Concrete grammar comprises the following steps:
Step 101. collects resources of virtual machine information in this administration module management domain and virtual machine load information by communicating with the virtual machine server that this administration module manages, from the resources of virtual machine information in administration module management domain and virtual machine load information described in reception reports from administration module, add up the resources of virtual machine information in described virtual machine server cluster of domain and virtual machine load information;
The inquiry of step 102. virtual machine server is in upstate and is externally flexibly connected the minimum virtual machine VM of number; If only inquire a virtual machine VM to be in upstate and to be externally flexibly connected number minimum, then using this virtual machine VM as target virtual machine VM;
If step 103. inquires and is in upstate more than the virtual machine VM of and to be externally flexibly connected number minimum, then in this multiple stage virtual machine VM, choose the minimum virtual machine VM of real-time traffic as target virtual machine VM;
Step 104. is on connection establishment to target virtual machine VM, respective virtual machine server is directly handed down to by this target virtual machine VM, as produced the load balancing task of virtual machine server from administration module management domain, then send to and issue from administration module accordingly.
In described step c, during virtual machine server inquiry virtual machine VM, if when a certain virtual machine VM is in and carries out the transition state moved between different server, the virtual machine VM that this is in transition state by virtual machine server is set to down state; After migration completes, again this virtual machine VM is set to upstate, virtual machine server adds up the external flexible connection number of this virtual machine VM, makes this virtual machine VM again participate in load balance scheduling.
Virtual machine server refreshes the external flexible connection number of target virtual machine VM; After refreshing, the external flexible connection number of this target virtual machine VM is: former external flexible connection number+1.
In the present invention, using virtual machine server as load equalizer, virtual machine server is connected with multiple servers, and each server internal is virtual turns to multiple VM.Each VM is the virtual machine independently externally providing service, externally connects.Because VM carries out exchanges data by load equalizer (i.e. virtual machine server), so load equalizer has flexible connection number statistics and the real-time traffic statistics of VM, therefore based upon activities linking number and real-time traffic carry out load balancing is feasible program.Load equalizer receive new outside time, first search and be flexibly connected the minimum VM (VM that namely idling-resource is maximum) of number, VM resource is used more balanced.After one period of scheduling time, the flexible connection number of each VM is tending towards identical, at this moment add up (outgoing direction of nearest a minute and the flow sum entering direction) according to the real-time traffic of VM again and carry out scheduling selection, by the scheduling of this combined strategy, external request can be evenly distributed on each VM.
Virtual machine VM has with external request and is connected, and also has service connection between virtual machine VM simultaneously.
Virtual machine environment is different from the environment of common server, because also have information interaction between VM, so will distinguish the connection between the connection of external request and VM.The flexible connection of load balancing foundation refers to the connection of external activity request.Because each VM is in the same network segment, and the address of external request is public network address or not at the same network segment, carries out differentiation external request and internal request by outgoing direction destination address.
In a virtual machine environment, VM can carry out " migration " between different server.Because load equalizer participates in this transition process, in transition process, this vm health is set to " unavailable ", after having moved, recover state and the linking number statistics of this VM, refreshing is transmitted, and again participates in load balance scheduling.During virtual machine server select target virtual machine VM, only select the VM being in upstate.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (2)
1. the method for a virtual machine load balance process, be applied in the main management module of virtual machine server cluster of domain, described virtual machine server cluster of domain has installed the virtual machine server of different manufacturers, the virtual machine server of each producer belongs to the administration module management of this producer, the administration module being responsible for the management of cluster of domain load balancing is main management module, remaining administration module is from administration module, it is characterized in that comprising the following steps:
A. the resources of virtual machine information in this administration module management domain and virtual machine load information is collected by communicating with the virtual machine server of main management module management, from the resources of virtual machine information in administration module management domain and virtual machine load information described in reception reports from administration module, add up the resources of virtual machine information in described virtual machine server cluster of domain and virtual machine load information;
B. virtual machine server inquiry is in upstate and is externally flexibly connected the minimum virtual machine VM of number; If only inquire a virtual machine VM to be in upstate and to be externally flexibly connected number minimum, then using this virtual machine VM as target virtual machine VM;
Be in upstate more than the virtual machine VM of and to be externally flexibly connected number minimum if c. inquired, then in this multiple stage virtual machine VM, choose the minimum virtual machine VM of real-time traffic as target virtual machine VM;
D. on connection establishment to target virtual machine VM, respective virtual machine server is directly handed down to by this target virtual machine VM, as produced the load balancing task of virtual machine server from administration module management domain, then send to and issue from administration module accordingly.
2. the method for a kind of virtual machine load balance process according to claim 1, it is characterized in that: in described step c, during virtual machine server inquiry virtual machine VM, if when a certain virtual machine VM is in and carries out the transition state moved between different server, the virtual machine VM that this is in transition state by virtual machine server is set to down state; After migration completes, again this virtual machine VM is set to upstate, virtual machine server adds up the external flexible connection number of this virtual machine VM, makes this virtual machine VM again participate in load balance scheduling.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184302A1 (en) * | 2017-04-06 | 2018-10-11 | 平安科技（深圳）有限公司 | Data transmission method, system, virtual load balancer and readable storage medium |
| CN112099835A (en) * | 2020-09-07 | 2020-12-18 | 紫光云(南京)数字技术有限公司 | Soft load balancing mirror image dynamic upgrading method and system |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184302A1 (en) * | 2017-04-06 | 2018-10-11 | 平安科技（深圳）有限公司 | Data transmission method, system, virtual load balancer and readable storage medium |
| US10693785B2 (en) | 2017-04-06 | 2020-06-23 | Ping An Technology (Shenzhen) Co., Ltd. | Method and system for forwarding data, virtual load balancer, and readable storage medium |
| CN112099835A (en) * | 2020-09-07 | 2020-12-18 | 紫光云(南京)数字技术有限公司 | Soft load balancing mirror image dynamic upgrading method and system |
| CN112099835B (en) * | 2020-09-07 | 2022-10-28 | 紫光云(南京)数字技术有限公司 | Soft load balancing mirror image dynamic upgrading method and system |
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