CN110928638A - Method and device for selecting host machine for virtual machine deployment - Google Patents
Method and device for selecting host machine for virtual machine deployment Download PDFInfo
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Abstract
The application discloses a method and a device for selecting a host machine for virtual machine deployment, wherein the method comprises the steps of selecting the requirement configuration specification of various resources of a virtual machine to be deployed according to the service requirement of the virtual machine to be deployed; acquiring a configuration specification label of a virtual machine to be deployed according to the requirement configuration specification of various resources; searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels; and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set. The method comprehensively considers the hardware configuration of the physical machine and the configuration requirement of the virtual machine, and can quickly find a proper host machine for the virtual machine by matching the labels, so that the virtual machine fully utilizes the resources of the host machine.
Description
Technical Field
The present application relates to the field of computer application technologies, and in particular, to a method and an apparatus for selecting a host deployed by a virtual machine
Background
In a computer, Virtualization (english: Virtualization) is a resource management technology, and various physical resources of the computer, such as servers, networks, memories, storages, and the like, are abstracted and converted to present the resources, so that the barrier that the physical structures cannot be cut is broken, and a user can apply the resources in a better way than the original configuration. The new virtual portion of these resources is not limited by the installation, region or physical configuration of the existing resources.
In view of the characteristics of higher security, availability, expandability, lower management cost and the like of the virtualization technology, most enterprises adopt the physical resource virtualization technology at present.
The industry generally adopts cloud computing platforms such as Openstack and Vmware to manage virtualization technologies, for example, the selection of hosts for virtual machine deployment is realized through a resource allocation component of the cloud computing platform itself. However, in the method of selecting a host through a cloud computing platform, generally, only whether the hardware configuration of a physical machine can meet the configuration requirement of a virtual machine to be deployed is considered, but a physical machine with a configuration specification far exceeding that of the virtual machine may be used as a host of the virtual machine according to the matching degree between the requirement of the virtual machine on the configuration and the actual configuration specification of the physical machine, so that the utilization rate of resources is affected, optimal allocation of the resources is not facilitated, and the problem that the resources of the selected host cannot be fully utilized may be caused. Moreover, the cloud computing platform requires special maintenance and management, which results in higher cost of virtual machine deployment.
Disclosure of Invention
In view of this, the present application provides a method and an apparatus for selecting a host for virtual machine deployment, so as to improve the resource utilization rate of the selected host and reduce the cost of virtual machine deployment.
In order to solve the technical problem, the following technical scheme is adopted in the application:
the application provides a method for selecting a host machine deployed by a virtual machine, which comprises the following steps:
according to the service requirements of the virtual machine to be deployed, the requirement configuration specifications of various resources of the virtual machine to be deployed are selected;
acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource;
searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
Optionally, the selecting, according to the load of the physical machine in the first host candidate set, the physical machine of the host from the first host candidate set specifically includes:
and searching a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed.
Optionally, when no physical machine with an integrated load level higher than a first preset integrated load level is found in the first host candidate set, the method further includes:
sending warning information to a user;
and/or
Searching a physical machine with a comprehensive load grade higher than a second preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed;
wherein the second preset integrated load level is lower than the first preset integrated load level.
Optionally, the obtaining the configuration specification tag of the virtual machine to be deployed according to the requirement configuration specification of the various resources specifically includes:
and acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource and a preset rule, wherein the preset rule comprises the corresponding relation between different configuration specifications of each resource and the configuration specification label.
Optionally, the method further includes:
establishing a virtual machine resource pool according to physical mechanisms in the second host machine candidate set;
the constructing a virtual machine resource pool according to the physical machines in the second host candidate set specifically includes:
performing performance benchmark test on the physical machines in the second host machine candidate set to obtain configuration specifications of various resources of the physical machines;
acquiring a configuration specification label of the physical machine according to configuration specifications and preset rules of various resources of the physical machine, wherein the preset rules comprise corresponding relations between different configuration specifications of various resources and the configuration specification label;
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels.
Optionally, the constructing a virtual machine resource pool according to the physical machines in the second host candidate set further includes:
counting recent resource use states of a physical machine and a virtual machine in a second host machine candidate set to obtain loads of various resources of the physical machine; the load is the proportion of the used resource amount to the total resource amount;
dividing each resource of the physical machine into a plurality of load levels according to the load of each resource of the physical machine;
acquiring a comprehensive load grade of the physical machine according to the load grades of various resources of the physical machine;
the constructing, according to the configuration specification label, a physical machine in the second host candidate set as the virtual machine resource pool specifically includes:
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels and the comprehensive load grades.
The present application further provides a device for selecting a host machine deployed by a virtual machine, including:
the first selection unit is used for selecting the requirement configuration specification of various resources of the virtual machine to be deployed according to the service requirement of the virtual machine to be deployed;
the acquisition unit is used for acquiring the configuration specification labels of the virtual machines to be deployed according to the required configuration specifications of various resources;
the first searching unit is used for searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and the second selecting unit is used for selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
Optionally, the second selected unit specifically includes:
and the host machine is used for searching the physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host machine candidate set, and taking the searched physical machine as the host machine of the virtual machine to be deployed.
The present application further provides a storage medium, where the storage medium includes a stored program, where the program executes any one of the above methods for selecting a host deployed by a virtual machine.
The present application further provides a processor, where the processor is configured to execute a program, where the program executes the method for selecting a host deployed by a virtual machine when running.
Compared with the prior art, the method has the following beneficial effects:
based on the above technical solutions, in the method for selecting a host machine deployed by a virtual machine, a physical machine capable of meeting the configuration specification label of the virtual machine to be deployed is searched from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed, and then the physical machine is selected as the host machine deployed by the virtual machine according to the load of the physical machine meeting the configuration specification label of the virtual machine to be deployed. Therefore, in the method, the hardware configuration of the physical machine and the configuration requirement of the virtual machine are comprehensively considered, the appropriate host machine can be quickly found for the virtual machine by matching the labels, and the virtual machine can more fully utilize the resources of the host machine. Moreover, the method does not need a cloud computing platform, so that the trouble of special maintenance and management of the cloud computing platform is avoided, and the cost of virtual machine deployment is reduced. In addition, the invention not only can consider the matching degree between the actual configuration of the physical machine and the configuration requirement of the virtual machine, but also can further consider the load of the virtual machine, thereby further ensuring that the host machine can normally work after being distributed and achieving the purpose of load balancing.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a method for partitioning a virtual machine resource pool according to the present application;
fig. 2 is a flowchart of a method for selecting a host for virtual machine deployment according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a method for selecting a host machine for virtual machine deployment according to a second embodiment of the present application;
fig. 4 is a schematic structural diagram of a selection device of a host deployed by a virtual machine according to an embodiment of the present application.
Detailed Description
Before describing the embodiments of the present application, technical terms used in describing the embodiments of the present application will be described.
A physical machine is a physical computer that provides a hardware environment for a virtual machine.
A host refers to a physical machine that carries a virtual machine, for example, when a first physical machine carries a first virtual machine, the first physical machine is a host of the first virtual machine.
Virtual machine deployment refers to the process of selecting a host for a virtual machine.
The virtual machine resource pool is divided according to configuration specifications and load levels.
The following describes the method for partitioning the virtual machine resource pool in detail with reference to the accompanying drawings. Referring to fig. 1, the figure is a flowchart of a method for partitioning a resource pool of a virtual machine according to the present application.
The method for dividing the virtual machine resource pool specifically comprises the following steps:
s101: and performing performance benchmark test on the physical machine in the second host machine candidate set to obtain the configuration specification of various resources of the physical machine.
The second host candidate set is a set including a plurality of physical machines.
The performance benchmark test may be performed before the physical machine is installed, or may be performed before the physical machine is shipped.
The resources may include at least one of a CPU, RAM, or disk.
The configuration specification refers to performance parameters of the resource. The configuration specification of the CPU comprises the main frequency size, the core number and the like; the configuration specification of the RAM comprises the size of the memory, the frequency of the memory and the like; configuration specifications for the disks include RPM, IOPS size, and the like.
As an example, when the second host candidate set includes 4 physical machines, S101 may specifically be: before 4 physical machines are installed, performing performance benchmark test on each physical machine, wherein the test comprises the test of a CPU, the test of an RAM or the test of a disk, so that the CPU configuration specification, the RAM configuration specification and the disk configuration specification of each physical machine are obtained according to the test result.
S102: and acquiring a configuration specification label of the physical machine according to the configuration specification and a preset rule of various resources of the physical machine, wherein the preset rule comprises the corresponding relation between different configuration specifications of various resources and the configuration specification label.
The configuration specification label is obtained according to the resource configuration specification and by using a preset rule of region division. The configuration specification label may include three grades of high, medium and low of different resources. For example, the configuration specification tag of the CPU may be a high-end CPU, a medium-end CPU, or a low-end CPU.
The preset rule is preset and can be set according to a specific application scenario.
For example, obtaining the configuration specification tag according to the preset rule may specifically be: firstly, dividing according to the type of the resource; and then, determining according to the performance index of the resource and by combining the distribution proportions of different gears, wherein the distribution proportions of different gears can be preset according to an actual scene.
See table 1, which is a configuration specification of the physical machines in the second host candidate set provided by the present application.
TABLE 1
As an example, when the second host candidate set includes 4 physical machines in table 1 and the allocation ratio of the high gear, the medium gear, and the low gear is 1:2:1, S102 may specifically be: according to the size of the configuration specification of different resources of the physical machine, the number of the physical machines in the second host machine candidate set and the distribution proportion, obtaining the configuration specification labels of the physical machines as follows:
the first physical machine configuration specification label is: a low-grade CPU, a low-grade RAM and a medium-grade disk;
the second physical machine configuration specification label is: high-grade CPU, middle-grade RAM and high-grade magnetic disk;
the third physical machine configuration specification label is: a middle-grade CPU, a middle-grade RAM and a low-grade disk;
the fourth physical machine configuration specification label is: low-grade CPU, high-grade RAM and medium-grade magnetic disk.
It should be noted that, if the configuration specification of the physical machine is high-grade CPU, any grade RAM, or any grade disk, the computing capability of the physical machine is strong, and the physical machine can be classified into a compute-intensive physical machine set; if the configuration specification of the physical machine is any CPU (Central processing Unit), high-grade RAM (random Access memory) and any disk, the memory capacity of the physical machine is strong, and the physical machine can be classified into a memory-intensive physical machine set; if the configuration specification of the physical machine is any CPU (Central processing Unit), any RAM (random Access memory) and a high-grade disk, the storage capacity of the physical machine is strong, and the physical machine can be classified into a storage-intensive physical machine set; if the configuration specification of the physical machine is non-high-grade CPU, non-high-grade RAM and non-high-grade disk, the various capabilities of the physical machine are common, and the physical machine can be classified into a common physical machine set.
S103: and constructing the physical machines in the second host machine candidate set into a virtual machine resource pool according to the configuration specification labels.
In order to improve the rationality of the virtual machine resource pool division, S103 may specifically be:
s103 a: and counting recent resource use states of the physical machine and the virtual machine in the second host machine candidate set to obtain loads of various resources of the physical machine.
The recent time can be a month or a week, and the more recent the time period is, the more accurate the obtained resource use state is.
The load is the proportion of the amount of resources that have been used to the total amount of resources. For example, the memory of the first physical machine is 16G, and the current memory of the physical machine already uses 4G, the load of the RAM of the first physical machine is 25%.
S103 b: and dividing each resource of the physical machine into a plurality of load levels according to the load of each resource of the physical machine.
The load level is divided according to the recent load of the resource and the grade division ratio. The load level may be a first level, a second level, and a third level, where the first level indicates that the resource is less loaded and the third level indicates that the resource is more loaded. For example, when the ranking ratio is 3:4:3, the load ranking of the RAM is specifically ranked as follows:
if the load of the RAM is less than or equal to 30%, the load grade of the RAM is a first grade; if the load of the RAM is between 30% and 70%, the load grade of the RAM is a second grade; and if the load of the RAM is more than 70%, the load grade of the RAM is a third grade.
S103 c: and acquiring the comprehensive load level of the physical machine according to the load levels of various resources of the physical machine.
The comprehensive load grade is obtained by synthesizing the load grades of various resources in the physical machine, and the comprehensive load grade is used for calibrating the comprehensive load state of the physical machine.
The integrated load level may be a weighted average of the load levels of the various resources in the physical machine, or may be a summation of the various load levels in the physical machine.
For ease of understanding and explanation, the following description will take the example where the aggregate load level is the sum of the various load levels in the physical machine.
The method for acquiring the comprehensive load grade of the physical machine comprises the following steps:
first, according to the load and load grade of different resources of the physical machine, the value of each resource is evaluated.
Wherein, the range of score evaluation can be 1-10 scores, and the scoring method can be specifically as follows:
(1) the higher the load level the lower the score and the three load levels are assigned in a 3:4:3 ratio. I.e., the first rating scale is [8, 10 ]; the second rating scale is [4, 7 ]; the third scale score ranged from 1, 3.
(2) Scores of different loads in the same load grade are different, and the score is lower when the load is larger. For example, when the third level of RAM is set to a load greater than 70%, if the load of the RAM of the first physical machine is 80%, the score of the RAM of the first physical machine is 2; if the load of the RAM of the first physical machine is 90%, the RAM of the first physical machine is divided into 1 point.
Then, according to the score evaluation results of various resources, the scores of different resources are weighted and averaged to obtain a score mean value, and the score mean value can be used as the comprehensive load grade of the physical machine.
For example, if the CPU of the second level in the first physical machine has a score of 5, the RAM of the third level has a score of 1, and the disk of the first level has a score of 9, the integrated load level of the first physical machine has a value of 5.
S103 d: and constructing the physical machines in the candidate set of the second host machine as the virtual machine resource pool according to the configuration specification label and the comprehensive load grade.
For convenience of explanation and understanding of the virtual machine resource pool, the following description will take table 2 as an example.
See table 2, which partitions the table for the virtual machine resource pool provided by the present application.
TABLE 2
The virtual machine resource pool in table 2 includes 12 physical machines, which are divided according to the configuration specification and the comprehensive load level of the physical machines.
Based on the virtual machine resource pool obtained by the construction, in order to solve the technical problems described in the background technology section, the application provides a method for selecting a host machine for virtual machine deployment. According to the selection method of the host machine deployed by the virtual machine, firstly, the physical machine which can meet the configuration specification label of the virtual machine to be deployed is searched from the virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed, and then the physical machine is selected as the host machine deployed by the virtual machine according to the load of the physical machine which meets the configuration specification label of the virtual machine to be deployed. Therefore, in the method, the hardware configuration of the physical machine and the configuration requirement of the virtual machine are comprehensively considered, the appropriate host machine can be quickly found for the virtual machine by matching the labels, and the virtual machine can more fully utilize the resources of the host machine. Moreover, the method does not need a cloud computing platform, so that the trouble of special maintenance and management of the cloud computing platform is avoided, and the cost of virtual machine deployment is reduced. In addition, the invention not only can consider the matching degree between the actual configuration of the physical machine and the configuration requirement of the virtual machine, but also can further consider the load of the virtual machine, thereby further ensuring that the host machine can normally work after being distributed and achieving the purpose of load balancing.
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
Referring to fig. 2, the figure is a flowchart of a method for selecting a host for virtual machine deployment according to an embodiment of the present application.
The method for selecting the host machine for virtual machine deployment comprises the following steps:
s201: and selecting the requirement configuration specification of various resources of the virtual machine to be deployed according to the service requirement of the virtual machine to be deployed.
The service requirements of the virtual machine to be deployed include storage requirements and computing requirements of the virtual machine to be deployed, and the service requirements of the virtual machine to be deployed can be determined by a user according to the requirements of the user.
As an example, when a user wants to apply for a virtual machine with a strong memory capability, S201 may specifically be: since the storage performance is good and is a service requirement of the virtual machine to be deployed, according to the service requirement, it can be known that the memory capacity of the virtual machine to be deployed is good but other performances are not limited, and then the resource configuration specification of the selected virtual machine to be deployed is as follows:
the requirement configuration specification of the CPU: 4 or 8 or 6 nuclei;
the required configuration specification of the RAM: 16G;
required configuration specification of IOPS of disk: 16Mbps or 64Mbps or 4 Mbps.
S202: and acquiring a configuration specification label of the virtual machine to be deployed according to the requirement configuration specification of each resource.
As an example, in order to improve the resource utilization of the selected host and reduce the cost of virtual machine deployment, S202 may specifically be: and acquiring a configuration specification label of the virtual machine to be deployed according to the requirement configuration specification of each resource and a preset rule.
The preset rule of the configuration specification label is the same as the preset rule of the configuration specification label used when the virtual machine resource pool is established.
For example, the determination criteria for configuring the specification tag when building the virtual machine resource pool are:
for the CPU, if the core number of the CPU is more than 6 cores, the CPU is a high-grade CPU; if the core number of the CPU is more than 4 and less than or equal to 6, the CPU is a middle-grade CPU; and if the core number of the CPU is less than or equal to 4 cores, the CPU is a low-grade CPU.
For the RAM, if the memory of the RAM is larger than 8G, the RAM is a high-grade RAM; if the memory of the RAM is larger than 4G and smaller than or equal to 8G, the RAM is a middle-grade RAM; and if the memory of the RAM is less than or equal to 4G, the RAM is low-grade RAM.
For the disk, if the IOPS of the disk is more than 16Mbps, the disk is a high-grade disk; if the IOPS of the disk is more than 4Mbps and less than or equal to 16Mbps, the disk is a middle-grade disk; and if the IOPS of the disk is less than or equal to 4Mbps, the disk is a low-grade disk.
As an example, when disks with specifications of 4-core CPU, 16GRAM, and 16Mbps are required to be configured, S202 may specifically be: according to the required configuration specification, the configuration specification label of the virtual machine to be deployed is as follows: low-grade CPU, high-grade RAM and medium-grade magnetic disk.
S203: searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels.
The first host candidate set is a set of physical machines satisfying configuration specification labels of virtual machines to be deployed, and the first host candidate set is a subset of a virtual machine resource pool.
The virtual machine resource pool may be a virtual machine resource pool used when a virtual machine is constructed in advance, or may be reconstructed when the virtual machine is constructed this time.
As an example, when the virtual machine resource pool includes 30 physical machines, and the configuration specification labels of the 8 physical machines are physical machines of a low-level CPU, a high-level RAM, and a medium-level disk, S203 may specifically be: the configuration specification labels of the virtual machines to be deployed obtained in S202 are: and the low-grade CPU, the high-grade RAM and the medium-grade disk, so that when the physical machine meeting the configuration specification label is searched from the virtual machine resource pool, 8 physical machines are obtained, and the 8 physical machines form a first host candidate set.
S204: and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
In order to improve the resource utilization rate of the selected host and reduce the cost of virtual machine deployment, S204 may specifically be: and searching a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed.
The first preset integrated load level may be preset according to an actual scene. For example, when the first preset integrated load level is 5, if the integrated load level of the first physical machine is higher than 5, the first physical machine may be used as a host of the virtual machine to be deployed; and if the comprehensive load level of the first physical machine is lower than 5, discarding the first physical machine.
As an example, when the first preset aggregate load level is 5 and the first host candidate set obtained in S203 includes 3 physical machines with aggregate load levels higher than 5, then S204 may specifically be: and according to the first host candidate set obtained in step S203, comparing 8 physical machines in the set with the first preset comprehensive load level, and finally obtaining 3 physical machines serving as host machines of the virtual machines to be deployed.
In order to further improve the resource utilization rate of the selected host and reduce the cost of virtual machine deployment, when no physical machine with a load level lower than a first preset comprehensive load level higher than a preset load level is found in the first host candidate set, warning information is sent to a user.
The warning message may be "no hosts meeting ideal conditions can be found, and the modification is attempted to reduce the configuration retry".
According to the selection method of the host machine deployed by the virtual machine, firstly, the physical machine which can meet the configuration specification label of the virtual machine to be deployed is searched from the virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed, and then the physical machine is selected as the host machine deployed by the virtual machine according to the load of the physical machine which meets the configuration specification label of the virtual machine to be deployed. Therefore, in the method, the hardware configuration of the physical machine and the configuration requirement of the virtual machine are comprehensively considered, the appropriate host machine can be quickly found for the virtual machine by matching the labels, and the virtual machine can more fully utilize the resources of the host machine. Moreover, the method does not need a cloud computing platform, so that the trouble of special maintenance and management of the cloud computing platform is avoided, and the cost of virtual machine deployment is reduced. In addition, the invention not only can consider the matching degree between the actual configuration of the physical machine and the configuration requirement of the virtual machine, but also can further consider the load of the virtual machine, thereby further ensuring that the host machine can normally work after being distributed and achieving the purpose of load balancing.
In order to further improve the resource utilization rate of the selected host and reduce the cost of virtual machine deployment, the embodiment of the present application further provides another implementation manner, which is specifically referred to as embodiment two.
Example two
The second embodiment is obtained by improvement on the basis of the first embodiment, and therefore, the contents of the second embodiment are similar to those of the first embodiment, and are not repeated herein for the sake of brevity.
Referring to fig. 3, the figure is a flowchart of a method for selecting a host for virtual machine deployment according to the second embodiment of the present application.
The method for selecting the host machine deployed by the virtual machine comprises the following steps:
s301 to S303 are the same as S201 to S203, and are not described herein again.
S304: and searching whether a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade exists in the first host candidate set, if so, executing S305, and if not, executing S306.
S305: and taking the found physical machine as a host machine of the virtual machine to be deployed.
S306: and searching whether a physical machine with a comprehensive load grade higher than a second preset comprehensive load grade exists in the first host candidate set, if so, executing S305, and if not, executing S307.
The second preset integrated load level is lower than the first preset integrated load level.
S307: and sending warning information to the user.
The warning message may be "no hosts can be found that meet the ideal conditions, trying to modify and reduce configuration retries".
According to the selection method of the host machine deployed by the virtual machine, after the first host machine candidate set is obtained, whether a physical machine with a comprehensive load grade being a first preset comprehensive load grade exists in the set is judged, and if the physical machine exists, the found physical machine is used as the host machine of the virtual machine to be deployed; and if not, judging whether a physical machine with the comprehensive load grade being a second preset comprehensive load grade exists in the set or not. The method ensures that the physical machine with high comprehensive load grade is preferentially used as the host machine of the virtual machine to be deployed, further aims to improve the resource utilization rate of the selected host machine and reduce the deployment cost of the virtual machine.
Based on the above provided method for selecting a host machine for virtual machine deployment, an embodiment of the present application further provides a device for selecting a host machine for virtual machine deployment, and the device for selecting a host machine for virtual machine deployment provided in the embodiment of the present application will be described below with reference to the accompanying drawings.
EXAMPLE III
Referring to fig. 4, the figure is a schematic structural diagram of a selection device of a host deployed by a virtual machine according to an embodiment of the present application.
The selection device of the host machine deployed by the virtual machine provided by the embodiment of the application comprises:
the first selecting unit 401 is configured to select a requirement configuration specification of various resources of the virtual machine to be deployed according to a service requirement of the virtual machine to be deployed.
An obtaining unit 402, configured to obtain a configuration specification tag of the virtual machine to be deployed according to the required configuration specification of the various resources.
A first searching unit 403, configured to search, according to the configuration specification tag of the virtual machine to be deployed, a physical machine that can meet the configuration specification tag of the virtual machine to be deployed from a virtual machine resource pool, to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels.
A second selecting unit 404, configured to select a host of a virtual machine to be deployed from the first candidate host set according to a load of a physical machine in the first candidate host set.
In order to further improve the resource utilization of the selected host and reduce the cost of virtual machine deployment, the second selecting unit 404 may specifically include:
and the host machine is used for searching the physical machine with the comprehensive load grade lower than a first preset comprehensive load grade higher than a preset load grade from the first host machine candidate set, and taking the searched physical machine as the host machine of the virtual machine to be deployed.
In order to further improve the resource utilization rate of the selected host and reduce the cost of virtual machine deployment, the selection device of the host deployed by the virtual machine may further include:
and the early warning unit is used for sending warning information to a user when a physical machine with the load grade higher than a first preset comprehensive load grade is not found in the first host candidate set.
The selection device of the host machine deployed by the virtual machine comprehensively considers the hardware configuration of the physical machine and the configuration requirements of the virtual machine, can quickly find the appropriate host machine for the virtual machine by matching the labels, and can enable the virtual machine to more fully utilize the resources of the host machine. Moreover, the device does not need a cloud computing platform, so that the trouble of special maintenance and management of the cloud computing platform is avoided, and the cost of virtual machine deployment is reduced. In addition, the invention not only can consider the matching degree between the actual configuration of the physical machine and the configuration requirement of the virtual machine, but also can further consider the load of the virtual machine, thereby further ensuring that the host machine can normally work after being distributed and achieving the purpose of load balancing.
The product pricing device comprises a processor and a memory, wherein the first selecting unit 401, the obtaining unit 402, the first searching unit 403, the second selecting unit 404 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, the resource utilization rate of the selected host machine is improved by adjusting the kernel parameters, and the cost of virtual machine deployment is reduced.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a storage medium, wherein a program is stored on the storage medium, and the program realizes a host machine selection method for virtual machine deployment when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes a host machine selection method deployed by a virtual machine during running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps:
according to the service requirements of the virtual machine to be deployed, the requirement configuration specifications of various resources of the virtual machine to be deployed are selected;
acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource;
searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
Optionally, the selecting, according to the load of the physical machine in the first host candidate set, the physical machine of the host from the first host candidate set specifically includes:
and searching a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed.
Optionally, when no physical machine with an integrated load level higher than a first preset integrated load level is found in the first host candidate set, the method further includes:
sending warning information to a user;
and/or
Searching a physical machine with a comprehensive load grade higher than a second preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed;
wherein the second preset integrated load level is lower than the first preset integrated load level.
Optionally, the obtaining the configuration specification tag of the virtual machine to be deployed according to the requirement configuration specification of the various resources specifically includes:
and acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource and a preset rule, wherein the preset rule comprises the corresponding relation between different configuration specifications of each resource and the configuration specification label.
Optionally, the method further includes:
establishing a virtual machine resource pool according to physical mechanisms in the second host machine candidate set;
the constructing a virtual machine resource pool according to the physical machines in the second host candidate set specifically includes:
performing performance benchmark test on the physical machines in the second host machine candidate set to obtain configuration specifications of various resources of the physical machines;
acquiring a configuration specification label of the physical machine according to configuration specifications and preset rules of various resources of the physical machine, wherein the preset rules comprise corresponding relations between different configuration specifications of various resources and the configuration specification label;
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels.
Optionally, the constructing a virtual machine resource pool according to the physical machines in the second host candidate set further includes:
counting recent resource use states of a physical machine and a virtual machine in a second host machine candidate set to obtain loads of various resources of the physical machine; the load is the proportion of the used resource amount to the total resource amount;
dividing each resource of the physical machine into a plurality of load levels according to the load of each resource of the physical machine;
acquiring a comprehensive load grade of the physical machine according to the load grades of various resources of the physical machine;
the constructing, according to the configuration specification label, a physical machine in the second host candidate set as the virtual machine resource pool specifically includes:
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels and the comprehensive load grades.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device:
according to the service requirements of the virtual machine to be deployed, the requirement configuration specifications of various resources of the virtual machine to be deployed are selected;
acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource;
searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
Optionally, the selecting, according to the load of the physical machine in the first host candidate set, the physical machine of the host from the first host candidate set specifically includes:
and searching a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed.
Optionally, when no physical machine with an integrated load level higher than a first preset integrated load level is found in the first host candidate set, the method further includes:
sending warning information to a user;
and/or
Searching a physical machine with a comprehensive load grade higher than a second preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed;
wherein the second preset integrated load level is lower than the first preset integrated load level.
Optionally, the obtaining the configuration specification tag of the virtual machine to be deployed according to the requirement configuration specification of the various resources specifically includes:
and acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource and a preset rule, wherein the preset rule comprises the corresponding relation between different configuration specifications of each resource and the configuration specification label.
Optionally, the method further includes:
establishing a virtual machine resource pool according to physical mechanisms in the second host machine candidate set;
the constructing a virtual machine resource pool according to the physical machines in the second host candidate set specifically includes:
performing performance benchmark test on the physical machines in the second host machine candidate set to obtain configuration specifications of various resources of the physical machines;
acquiring a configuration specification label of the physical machine according to configuration specifications and preset rules of various resources of the physical machine, wherein the preset rules comprise corresponding relations between different configuration specifications of various resources and the configuration specification label;
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels.
Optionally, the constructing a virtual machine resource pool according to the physical machines in the second host candidate set further includes:
counting recent resource use states of a physical machine and a virtual machine in a second host machine candidate set to obtain loads of various resources of the physical machine; the load is the proportion of the used resource amount to the total resource amount;
dividing each resource of the physical machine into a plurality of load levels according to the load of each resource of the physical machine;
acquiring a comprehensive load grade of the physical machine according to the load grades of various resources of the physical machine;
the constructing, according to the configuration specification label, a physical machine in the second host candidate set as the virtual machine resource pool specifically includes:
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels and the comprehensive load grades.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for selecting a host machine deployed by a virtual machine is characterized by comprising the following steps:
according to the service requirements of the virtual machine to be deployed, the requirement configuration specifications of various resources of the virtual machine to be deployed are selected;
acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource;
searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
2. The method according to claim 1, wherein the selecting a physical machine of a host from the first candidate set of hosts according to the load of the physical machine in the first candidate set of hosts comprises:
and searching a physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed.
3. The method of claim 2, wherein when no physical machine with an aggregate load level higher than a first preset aggregate load level is located in the first candidate set of host machines, the method further comprises:
sending warning information to a user;
and/or
Searching a physical machine with a comprehensive load grade higher than a second preset comprehensive load grade from the first host candidate set, and taking the searched physical machine as a host of the virtual machine to be deployed;
wherein the second preset integrated load level is lower than the first preset integrated load level.
4. The method according to claim 1, wherein the obtaining the configuration specification tag of the virtual machine to be deployed according to the required configuration specification of the various resources specifically includes:
and acquiring a configuration specification label of the virtual machine to be deployed according to the required configuration specification of each resource and a preset rule, wherein the preset rule comprises the corresponding relation between different configuration specifications of each resource and the configuration specification label.
5. The method according to any one of claims 1-4, further comprising:
establishing a virtual machine resource pool according to physical mechanisms in the second host machine candidate set;
the constructing a virtual machine resource pool according to the physical machines in the second host candidate set specifically includes:
performing performance benchmark test on the physical machines in the second host machine candidate set to obtain configuration specifications of various resources of the physical machines;
acquiring a configuration specification label of the physical machine according to configuration specifications and preset rules of various resources of the physical machine, wherein the preset rules comprise corresponding relations between different configuration specifications of various resources and the configuration specification label;
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels.
6. The method of claim 5, wherein constructing the virtual machine resource pool according to the physical machines in the second host candidate set further comprises:
counting recent resource use states of a physical machine and a virtual machine in a second host machine candidate set to obtain loads of various resources of the physical machine; the load is the proportion of the used resource amount to the total resource amount;
dividing each resource of the physical machine into a plurality of load levels according to the load of each resource of the physical machine;
acquiring a comprehensive load grade of the physical machine according to the load grades of various resources of the physical machine;
the constructing, according to the configuration specification label, a physical machine in the second host candidate set as the virtual machine resource pool specifically includes:
and constructing the physical machines in the second host machine candidate set into the virtual machine resource pool according to the configuration specification labels and the comprehensive load grades.
7. A selection device of a host machine for virtual machine deployment is characterized by comprising:
the first selection unit is used for selecting the requirement configuration specification of various resources of the virtual machine to be deployed according to the service requirement of the virtual machine to be deployed;
the acquisition unit is used for acquiring the configuration specification labels of the virtual machines to be deployed according to the required configuration specifications of various resources;
the first searching unit is used for searching a physical machine which can meet the configuration specification label of the virtual machine to be deployed from a virtual machine resource pool according to the configuration specification label of the virtual machine to be deployed to obtain a first host candidate set; the virtual machine resource pool comprises a plurality of physical machines with different configuration specification labels;
and the second selecting unit is used for selecting the host machine of the virtual machine to be deployed from the first host machine candidate set according to the load of the physical machine in the first host machine candidate set.
8. The apparatus of claim 7, wherein the second selected unit comprises:
and the host machine is used for searching the physical machine with the comprehensive load grade higher than a first preset comprehensive load grade from the first host machine candidate set, and taking the searched physical machine as the host machine of the virtual machine to be deployed.
9. A storage medium comprising a stored program, wherein the program performs the method of selecting a host for virtual machine deployment of any one of claims 1 to 6.
10. A processor, configured to execute a program, wherein the program executes the method for selecting a host for virtual machine deployment according to any one of claims 1 to 6.
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