CN113326102B - Large-scale virtual machine creating method and device, computer equipment and readable medium - Google Patents
Large-scale virtual machine creating method and device, computer equipment and readable medium Download PDFInfo
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- 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
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Abstract
The invention provides a large-scale virtual machine creation method, a large-scale virtual machine creation device, computer equipment and a readable medium, wherein a first virtual machines are created for m first computing nodes respectively according to first configuration parameters, and the first computing nodes are computing nodes used for testing and measuring time consumed for creation; determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes, wherein the second computing nodes are computing nodes used for testing but not used for measuring the time consumed for creating; and b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters. After creating a first node and its first virtual machine that partially meet the test requirements, a second node may be created with a smaller number of servers to create a second virtual machine that meets the number.
Description
Technical Field
The invention relates to the technical field of network shooting ranges, in particular to a method and a device for creating a large-scale virtual machine, computer equipment and a readable medium.
Background
The network target Range is also called as National network target Range (NCR), and is used for simulating and simulating a real Racing network space attack and defense combat environment by combining a virtual environment and real equipment, and can support a Racing combat capability research and a Racing weapon equipment verification test platform.
If a test environment with 1 ten thousand virtual machines is constructed in the field of network shooting ranges for testing, 100 servers are generally needed, but for a large-scale test environment, if the number of the virtual machines is required to be increased to the level of one hundred thousand and one million, one thousand servers or ten thousand servers are needed for testing, and the situation is difficult to realize. Therefore, a large-scale virtual machine creation scheme is needed to solve the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a large-scale virtual machine creation method, a large-scale virtual machine creation device, a computer device and a readable medium.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a large-scale virtual machine creating method, which comprises the following steps:
respectively establishing a first virtual machines for m first computing nodes according to a first configuration parameter, wherein the first computing nodes are used for testing and measuring time consumption for establishing;
determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes, wherein the second computing nodes are computing nodes used for testing but not used for measuring the time consumed for creating;
b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters.
In some embodiments, the first configuration parameter and the second configuration parameter comprise: CPU size, memory size, disk size and CPU virtualization ratio.
In some embodiments, the method further comprises:
respectively measuring the creation time consumption of m first computing nodes in the process of creating a first virtual machines for the m first computing nodes according to first configuration parameters;
and determining the creation time consumption of the computing nodes according to the creation time consumption of the m first computing nodes.
In some embodiments, the determining the creation time of the computing node according to the creation time of the m first computing nodes includes:
determining the maximum value of the creation time consumption from the creation time consumption of m first computing nodes, wherein the maximum value of the creation time consumption is the creation time consumption of the computing nodes.
The invention also provides a large-scale virtual machine creating device, which comprises a first processing module and a creating module, wherein the first processing module is used for determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes, and the second computing nodes are computing nodes used for testing but not used for measuring the time consumed by creating;
the creating module is used for creating a first virtual machines for m first computing nodes according to first configuration parameters, wherein the first computing nodes are used for testing and measuring time consumed by creating; b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters.
In some embodiments, the first configuration parameter and the second configuration parameter comprise: CPU size, memory size, disk size and CPU virtualization ratio.
In some embodiments, the large-scale virtual machine creation apparatus further includes a measurement module and a second processing module, where the measurement module is configured to measure creation time consumption of m first computing nodes, respectively, in a process of creating a first virtual machines for m first computing nodes, respectively, according to a first configuration parameter;
and the second processing module is used for determining the creation time consumption of the computing node according to the creation time consumption of the m first computing nodes.
In some embodiments, the second processing module is configured to determine a maximum value of the creation time consumption from the creation time consumption of m first computing nodes, where the maximum value of the creation time consumption is the creation time consumption of a computing node.
An embodiment of the present invention further provides a computer device, where the computer device includes: one or more processors and storage; the storage device stores one or more programs thereon, and when the one or more programs are executed by the one or more processors, the one or more processors implement the large-scale virtual machine creation method provided in the foregoing embodiments.
The embodiment of the present invention further provides a computer readable medium, on which a computer program is stored, where the computer program, when executed, implements the large-scale virtual machine creation method provided in the foregoing embodiments.
The method for creating the large-scale virtual machine provided by the embodiment of the invention respectively creates a first virtual machines for m first computing nodes according to the first configuration parameters, wherein the first computing nodes are computing nodes used for testing and measuring time consumed for creating; determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes, wherein the second computing nodes are computing nodes used for testing but not used for measuring the time consumed for creating; and b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters. According to the embodiment of the invention, after the first nodes and the first virtual machines meeting the test requirements are created, the second nodes are created by using a small number of servers to create the second virtual machines meeting the number, so that the problem of creating the virtual machines with insufficient resources for large-scale virtual machines is converted into the problem of creating the virtual machines for testing but not measuring the time-consuming computing nodes, the requirement of the computing nodes can be reduced to single digit, and the creation of a large-scale virtual machine test environment is easier to realize under the condition of limited server resources.
Drawings
Fig. 1 is a schematic flow chart of a method for creating a large-scale virtual machine according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a process of determining a time consumption for creating a compute node according to an embodiment of the present invention;
fig. 3 is a first schematic structural diagram of a large-scale virtual machine creation apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a large-scale virtual machine creating apparatus according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
An embodiment of the present invention provides a method for creating a large-scale virtual machine, as shown in fig. 1, where the method for creating a large-scale virtual machine includes the following steps:
and 11, respectively creating a first virtual machines for the m first computing nodes according to the first configuration parameters.
The first compute node is the compute node used for testing and used for measurement creation time.
And step 12, determining the number n of the second computing nodes according to the total number X of the virtual machines to be created, the number m of the first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes.
The computing nodes comprise a first computing node and a second computing node, the first computing node is used for testing and used for measuring time consumption of creation, and the second computing node is used for testing and not used for measuring time consumption of creation.
In the embodiment of the present invention, the computing node has a score between measurement creation time consumption and non-creation time consumption, the computing node used for performing the creation time consumption measurement is a "real node", that is, a first computing node, and the computing node not used for performing the creation time consumption measurement is a "virtual node", that is, a second computing node. The number of "real nodes" is m, the number of "virtual nodes" is N, m + N = N, and N is the total number of computing nodes. The number of the virtual machines allowed to be created by each first computing node is the same, and is a, and the number of the virtual machines allowed to be created by each second computing node is the same, and is b. Since only the compute node will create a virtual machine, the total number of virtual machines to be created, X = ma + nb, and correspondingly, the number of second compute nodes, n = (X-ma)/b.
The virtual machine created by the real node is called a real virtual machine (namely, a first virtual machine), the virtual machine created by the virtual node is called a virtual machine (namely, a second virtual machine), the virtual machine exists really, all processes of scheduling, warehousing and the like of the virtual machine exist really for the control node, but the virtual machine cannot be used for the virtual machine, and the time consumed for creating the control node and the time consumed for creating the computing node cannot be influenced.
And step 13, respectively creating b second virtual machines for the n second computing nodes according to the second configuration parameters.
In this step, for each second compute node ("dummy node"), b second virtual machines are created using the second configuration parameters, thereby creating nb second virtual machines. It should be noted that the performance of the second configuration parameter is lower than that of the first configuration parameter, and the first configuration parameter is a configuration parameter of the first virtual machine created for the first computing node. That is, a conventional configuration is adopted for the "real" virtual machine, and an ultra-low specification configuration is adopted for the "virtual machine, so that nb" virtual machines can be created with a small number of servers.
The method for creating the large-scale virtual machine provided by the embodiment of the invention respectively creates a first virtual machines for m first computing nodes according to the first configuration parameters, wherein the first computing nodes are computing nodes used for testing and measuring time consumed for creating; determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of the virtual machines allowed to be created by the first computing nodes and the number b of the virtual machines allowed to be created by the second computing nodes, wherein the second computing nodes are computing nodes used for testing but not used for measuring the time consumed for creating; and b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters. According to the embodiment of the invention, after the first nodes and the first virtual machines meeting the test requirements are created, the second nodes are created by using a small number of servers to create the second virtual machines meeting the number, so that the problem of creating the virtual machines with insufficient resources for large-scale virtual machines is converted into the problem of creating the virtual machines for testing but not measuring the time-consuming computing nodes, the requirement of the computing nodes can be reduced to single digit, and the creation of a large-scale virtual machine test environment is easier to realize under the condition of limited server resources.
By creating ma real virtual machines with conventional configuration and nb virtual machines with ultra-low configuration, X virtual machines can be created, and meanwhile, the time consumption of creating the control node is not influenced.
In some embodiments, the first configuration parameter and the second configuration parameter may include: CPU (Central Processing Unit) size, memory size, disk size and CPU virtualization ratio. For example, the second configuration parameter may be set to 1CPU, 1M memory, 1G disk, and physical CPU virtualization ratio of 1:1000, and usually the CPU virtualization ratio in the first configuration parameter is set to 1: 4. It should be noted that the CPU virtualization ratio can be set as low as possible, so that more second virtual machines ("virtual machines) can be created using the same server resources.
In the process of constructing the network shooting range test environment, not only the nodes need to be created, but also the time consumed for creating the nodes is one of the important factors that need to be concerned, and therefore, in some embodiments, as shown in fig. 2, the large-scale virtual machine creating method may further include the following steps:
step 21, in the process of creating a first virtual machines for m first computing nodes according to the first configuration parameters, respectively measuring the time consumed by creating the m first computing nodes.
In this step, for each first computing node, measuring the time consumed by the first computing node to create a first virtual machines, thereby obtaining the time consumed by the first computing node, and so on, obtaining the time consumed by the m first computing nodes.
And step 22, determining the creation time of the computing node according to the creation time of the m first computing nodes.
In this step, the creation time of the computing node is determined according to the creation time of the m first computing nodes obtained in step 21.
In some embodiments, the determining the creation time of the computing node according to the creation time of the m first computing nodes (i.e. step 22) includes the following steps: determining the maximum value of the creation time consumption from the creation time consumption of the m first computing nodes, wherein the maximum value of the creation time consumption is the creation time consumption of the computing nodes.
It should be noted that, because the architecture of the compute nodes is a cluster architecture, and the creation of each compute node is executed in parallel, the creation of each compute node is time-consuming. Therefore, the creation time of the second computing node ("dummy node") may not be considered, that is, the maximum value of the creation time of each first computing node may be used as the creation time of the computing node.
In some embodiments, after determining the creation time of the computing node according to the creation time of the m first computing nodes (i.e. step 22), the method may further include the following steps: and determining the time consumption for creating the control node, and determining the total time consumption for creating the node according to the time consumption for creating the computing node and the time consumption for creating the control node. The time consumed for creating the control node is an actual measurement value, and the time consumed for creating the control node can be measured in a traditional mode.
The creation time consumption of the X virtual machines consists of two parts, namely the creation time consumption of a control node and the creation time consumption of a calculation node, and the calculation formula is formula (1):
P=A+B，（1）
wherein, P is the total creation time of the node (i.e. the total creation time of all nodes), a is the creation time of all control nodes, and B is the creation time of all computation nodes.
It should be noted that, the computing nodes are divided into a first computing node (the computing node used for testing and used for measuring the time consumption of creation) and a second computing node (the computing node used for testing and not used for measuring the time consumption of creation), and as long as the second computing node can be created, its node status is shown as active.
The following tests were performed on the time it takes to build a virtual machine in a network shooting range testing environment. Because the control node and the computing node are created in parallel, it is difficult to directly split the control node and the computing node into a and B, so that the time consumed by creating the control node and the computing node can be tested together, that is, the formula (1) can be transformed into: p = max (pi), i ∈ (1, 2, 3, … …, m), i being the identity of the compute node, m being the number of first compute nodes.
Test 1 tests for creating X virtual machines, and respectively makes m =1 and m =2, and respectively records the total creation time consumption P1 and P2 of the node. The test result P1 ≈ P2 of test 1 indicates that "the maximum value of the creation time consumption of each first compute node is regarded as the creation time consumption of the compute node", that is, the total node creation time consumption for creating the virtual machine by using the scheme of the embodiment of the present invention is substantially the same as the total node creation time consumption for creating all the compute nodes (i.e., the first compute node + the second compute node) virtual machines under the condition that the server resources are sufficient.
Test 2 tests for creating ma virtual machines, and let m =2, n =0 (i.e. no second compute node is created), test result P3 of test 2 be much smaller than test results P1 and P2 of test 1, indicating that the larger the number of virtual machines to be created, the longer the creation time, the more in line with the expected curve.
Based on the same technical concept, an embodiment of the present invention further provides a large-scale virtual machine creation apparatus, as shown in fig. 3, the large-scale virtual machine creation apparatus includes a first processing module 101 and a creation module 102, where the first processing module 101 is configured to determine a number n of second computing nodes according to a total number X of virtual machines to be created, a number m of first computing nodes, a number a of virtual machines allowed to be created by the first computing nodes, and a number b of virtual machines allowed to be created by the second computing nodes, where the second computing nodes are computing nodes used for testing but not used for measuring time consumed for creation.
The creating module 102 is configured to create a first virtual machines for m first computing nodes according to a first configuration parameter, where the first computing nodes are computing nodes used for testing and measuring time consumed for creating; b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters.
In some embodiments, the first configuration parameter and the second configuration parameter comprise: CPU size, memory size, disk size and CPU virtualization ratio.
In some embodiments, as shown in fig. 4, the large-scale virtual machine creation apparatus further includes a measurement module 103 and a second processing module 104, where the measurement module 103 is configured to measure the creation time of m first computing nodes, respectively, in a process of creating a first virtual machines for m first computing nodes, respectively, according to the first configuration parameter.
The second processing module 104 is configured to determine the creation time of a compute node according to the creation time of m first compute nodes.
In some embodiments, the second processing module 104 is configured to determine a maximum value of the creation time consumption from the creation time consumption of m first computing nodes, where the maximum value of the creation time consumption is the creation time consumption of a computing node.
An embodiment of the present invention further provides a computer device, where the computer device includes: one or more processors and storage; the storage device stores one or more programs thereon, and when the one or more programs are executed by the one or more processors, the one or more processors implement the large-scale virtual machine creation method provided in the foregoing embodiments.
The embodiment of the present invention further provides a computer readable medium, on which a computer program is stored, where the computer program, when executed, implements the large-scale virtual machine creation method provided in the foregoing embodiments.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method for creating a large-scale virtual machine, the method comprising:
respectively establishing a first virtual machines for each first computing node in m first computing nodes according to a first configuration parameter, wherein the first computing nodes are used for testing and measuring time consumption for establishing;
determining the number n of second computing nodes according to the total number X of the virtual machines to be created, the number m of first computing nodes, the number a of virtual machines allowed to be created by each first computing node and the number b of virtual machines allowed to be created by each second computing node, wherein the second computing nodes are computing nodes used for testing but not used for measuring the time consumed for creating;
and b second virtual machines are respectively established for each second computing node in the n second computing nodes according to a second configuration parameter, wherein the performance of the second configuration parameter is lower than that of the first configuration parameter.
2. The method of claim 1, wherein the first configuration parameter and the second configuration parameter comprise: CPU size, memory size, disk size and CPU virtualization ratio.
3. The method of claim 1, wherein the method further comprises:
respectively measuring the creation time consumption of m first computing nodes in the process of creating a first virtual machines for the m first computing nodes according to first configuration parameters;
and determining the creation time consumption of the computing nodes according to the creation time consumption of the m first computing nodes.
4. The method of claim 3, wherein determining the creation time of a compute node from the creation time of m of the first compute nodes comprises:
determining the maximum value of the creation time consumption from the creation time consumption of m first computing nodes, wherein the maximum value of the creation time consumption is the creation time consumption of the computing nodes.
5. The large-scale virtual machine creating device is characterized by comprising a first processing module and a creating module, wherein the first processing module is used for determining the number n of second computing nodes according to the total number X of virtual machines to be created, the number m of first computing nodes, the number a of virtual machines allowed to be created by the first computing nodes and the number b of virtual machines allowed to be created by the second computing nodes, and the second computing nodes are computing nodes used for testing but not used for measuring the time consumed by creating;
the creating module is used for creating a first virtual machines for m first computing nodes according to first configuration parameters, wherein the first computing nodes are used for testing and measuring time consumed by creating; b second virtual machines are respectively established for the n second computing nodes according to second configuration parameters, and the performance of the second configuration parameters is lower than that of the first configuration parameters.
6. The apparatus of claim 5, wherein the first configuration parameter and the second configuration parameter comprise: CPU size, memory size, disk size and CPU virtualization ratio.
7. The apparatus of claim 5, further comprising a measurement module and a second processing module, wherein the measurement module is configured to measure creation time consumption of m first computing nodes, respectively, in a process of creating a first virtual machines for m first computing nodes, respectively, according to a first configuration parameter;
and the second processing module is used for determining the creation time consumption of the computing node according to the creation time consumption of the m first computing nodes.
8. The apparatus of claim 7, wherein the second processing module is configured to determine a maximum value of the creation time from the creation time of m first computing nodes, and the maximum value of the creation time is the creation time of a computing node.
9. A computer device, comprising:
one or more processors;
a storage device having one or more programs stored thereon;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the large scale virtual machine creation method of any of claims 1-4.
10. A computer-readable medium on which a computer program is stored, wherein the program when executed implements the large-scale virtual machine creation method of any one of claims 1 to 4.
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