Cache management method and device and storage medium
A cache management and cache technology, applied in program control devices, electrical digital data processing, data processing input/output process, etc., can solve problems such as poor flexibility and difficult service, and achieve the effect of improving flexibility
Pending Publication Date: 2022-01-18
CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD +1
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Problems solved by technology
[0005] However, in the existing image caching technology, for a new image, when creating a system volume, only a cache image is created on a selected storage backend, and other backends are not created. If the backends scheduled each time are different, each Mirror download, format conversion, and data injection are still required for the second time, which is less flexible and difficult to provide corresponding services in a timely manner
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[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0058] An embodiment of the present invention provides a cache management method, which is implemented by a cache management device. The cache management device may include a mirror cache creation interface, a mirror cache acquisition interface, and a mirror cache deletion interface. figure 1 It is a schematic flowchart of a cache management method provided by an embodiment of the present invention. Such as figure 1 As shown, the cache management method mainly includes the following steps:
[0059] S101. When the target image is obtained, use the target image to create an image cache for each storage backend in the storage backend cluster.
[0060] In the embodiment of the present application, when the image cache creation interface of the cache management device obtains the...
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The embodiment of the invention discloses a cache management method and device and a storage medium, and the method comprises the steps: carrying out the mirror image cache creation of each storage rear end in a storage rear end cluster through employing a target mirror image under the condition of obtaining the target mirror image; polling and storing a mirror cache creation state of the back-end cluster; under the condition that the mirror image cache creation state is the available state, setting the mirror image state of the target mirror image to be a running state, and completing mirror image caching; and enabling the available state to characterize that the storage rear-end cluster completely realizes mirror image caching. By implementing the scheme, the cache management device automatically utilizes the mirror image to create the mirror image cache for each storage rear end under the condition that the mirror image is acquired, so that the flexibility of the mirror image cache is improved, and then, under the condition that different storage rear ends are scheduled, the directly available mirror image cache exists to provide corresponding services in time.
Description
technical field [0001] The present invention relates to the technical field of electronic communication, in particular to a buffer management method and device, and a storage medium. Background technique [0002] The cloud computing platform (OpenStack) is a combination of a series of open source projects, mainly using pooled virtual resources to build and manage private clouds and public clouds. [0003] The computing service provided by OpenStack provides end users with operable virtual machine resources. Usually, the system disk is a persistent block storage volume, and its creation process is as follows: first, download the image data from the image service node to the storage service node, then, the storage service node converts the format of the image data, and finally converts The resulting data is written to a block storage system volume. [0004] In the large-scale scenarios of public cloud and hybrid cloud, if multiple users send requests to create system volumes...
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IPC IPC(8): G06F3/06G06F9/455
CPCG06F3/0665G06F3/0656G06F9/45504
Inventor 叶耐姚封华
Owner CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD