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Method and device for reading cache

A technology of read caching and caching, which is applied in the field of read caching, can solve the problems of slow data reading speed, etc., and achieve the effect of improving speed and solving slow data reading speed

Active Publication Date: 2018-01-30
杭州信核数据科技股份有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for reading cache to solve the problem of slow data reading speed in the storage system

Method used

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  • Method and device for reading cache

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Embodiment Construction

[0038] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to specific embodiments and accompanying drawings.

[0039] The embodiment of the present invention provides a method for reading cache, which solves the problem of slow data reading speed in a storage system.

[0040] Such as figure 1 As shown, the method for reading cache in the embodiment of the present invention includes:

[0041] Step S1: Obtain an instruction to read the requested data from the virtual volume of the storage pool;

[0042] Step S2: directly read the data to be read from the cache according to the instruction;

[0043] Step S3: If the data to be read is not in the cache, read the data to be read from the storage device corresponding to the virtual volume, and save the data to be read to the cache In; wherein, the cache is physical memory.

[0044] In a specific embodiment ...

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Abstract

The invention provides a method and device for reading cache, which are used to solve the problems of slow data reading speed and long waiting time in a storage system. The method for reading cache of the present invention includes: obtaining an instruction for reading request data from a virtual volume of a storage pool; according to the instruction, directly reading the data to be read from the cache; if the data to be read is not in the cache , read the data to be read from the storage device corresponding to the virtual volume, and save the data to be read into the cache; wherein, the cache is a physical memory. The invention helps users realize high-speed data reading in a storage system without greatly increasing hardware costs.

Description

technical field [0001] The invention relates to a method for improving data reading performance, in particular to a method and device for reading cache. Background technique [0002] In daily life, people rely more and more on storage, and usually use electronics to process daily affairs and store data, so they also put forward high requirements for data response time. Data reading and writing is slow, the user's work efficiency is greatly reduced, and the waiting time is too long, resulting in waste of resources. Therefore, how to improve the data read and write speed and improve the response sensitivity of the storage system is an important prerequisite for the promotion of storage. [0003] The internal memory is used to temporarily store computing data in the CPU and exchange data with external storage such as hard disks. In storage systems, memory can play a greater role through software mechanisms. Other manufacturers in the industry have similar technologies, but w...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/0893G06F12/12G06F12/121
Inventor 施苗峰陈烨
Owner 杭州信核数据科技股份有限公司
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