A cloud host creation method, device and cloud service system
A cloud service and cloud host technology, applied in the field of virtualization, can solve problems such as high pressure on the Glance server, long image file download time, uncontrollable creation time, etc., to reduce pull time, reduce access pressure, and shorten creation time Effect
Active Publication Date: 2021-11-05
BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD +1
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Problems solved by technology
[0005] Normally, cloud hosts can be successfully created by applying the above methods, but when a large number of cloud hosts are created concurrently and there is no system disk image file corresponding to the cloud hosts on the hosts, the hosts will access the Glance server in large numbers to make the Glance server Pulling the corresponding image file puts a lot of pressure on the Glance server and takes a long time to download the image file, which prolongs or even uncontrollable the creation time of a large number of cloud hosts
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[0085] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0086] A brief introduction to the technical terms involved in this application document is given first.
[0087] Redis cache is a high-performance log type and key-value storage system that can be based on memory and can be persisted. It supports stored value types including string (string), list (linked list), set (collection) and zset (with order collection), in order to ensure efficiency, data is usually cached in memory, and at the same time, the data in ...
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Embodiments of the present invention provide a cloud host creation method, device and cloud service system. The method is applied to the target computing node in the cloud service system, including: receiving a creation instruction for the target cloud host; judging whether the target image file is saved locally; if not saved, determining the target cache node from the first-level cache node; The cache node judges whether the target image file is cached in the first-level cache node; if yes, the target image file cached in the first-level cache node is obtained through the target cache node, and the target cloud host is created according to the target image file; The mirror node sends the second request for obtaining the target mirror file, so that the mirror node judges whether there is the target mirror file in the secondary cache node according to the second request; obtains the target mirror file cached in the secondary cache node; creates the target mirror file according to the target mirror file cloud host. Applying the solution provided by the embodiment of the present invention can shorten the creation time of the cloud host.
Description
technical field [0001] The present invention relates to the technical field of virtualization, in particular to a cloud host creation method, device and cloud service system. Background technique [0002] In cloud computing technology, a cloud host is a plurality of parts similar to independent hosts simulated on a physical machine through virtualization technology, and they share the hardware resources of a physical machine. The physical machine can also be called a host machine. With the popularization and commercialization of virtualization technology, more and more users need to create cloud hosts on physical machines to improve the utilization of physical machines. [0003] For example, in the Openstack (cloud computing management platform) architecture, to create a cloud host on a host machine, you first need to obtain the system disk image file of the cloud host machine. After obtaining the above system disk image file, the host machine can Cloud hosts can be created...
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IPC IPC(8): H04L29/08
CPCH04L67/06H04L67/1095H04L67/5682H04L67/60
Inventor申航
OwnerBEIJING KINGSOFT CLOUD NETWORK TECH CO LTD