Intelligent pre-reading method based on distributed storage

A distributed storage and pre-reading technology, which is applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problem of reducing the effect of pre-reading and achieve the effect of avoiding waste

Active Publication Date: 2021-02-05
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes when multiple volumes read volume data in a sequential manner under concurrent conditions, the data falls on each hard disk, and the LBA addresses of the read data received on each hard disk become discontinuous. In turn, the effect of pre-reading is greatly reduced.

Method used

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  • Intelligent pre-reading method based on distributed storage
  • Intelligent pre-reading method based on distributed storage
  • Intelligent pre-reading method based on distributed storage

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Embodiment Construction

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0049] In the following introduction, the terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance. The following description provides multiple embodiments of the present invention, and different embodiments can be replaced or combined in combination, so the present invention can also be considered to include all possible combinations of the same and / or different embodiments described. Thus, if one embodiment contains features A, B, C, and another embodiment contains features B, D, then the invention should also be considered to include all other possible combinations containing one or more of A, B, C, D Although this embodiment may not be clearly written in the following content.

[00...

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Abstract

The invention discloses an intelligent pre-reading method based on distributed storage. The method comprises the following steps: when a read request is received, enabling a client to identify the sequence of each data stream according to the continuous falling condition of data streams in multiple windows, and perform screening to obtain sequence data streams with sequence; adjusting the size ofa window corresponding to each sequential data stream to pre-read each sequential data stream to generate a pre-read instruction; and sending the pre-reading instruction to each first storage terminalcorresponding to the sequential data stream, the pre-reading instruction being used for controlling each first storage terminal to search and store each piece of pre-reading data corresponding to thesequential data stream into a cache disk. According to the invention, after sequential judgment and pre-reading are carried out on the data in the storage client, the corresponding pre-reading data are searched in the corresponding distributed data storage terminals according to the data flow pre-read in the storage client for pre-reading storage, so that the consistency of reading the cached data flow in a distributed shared volume scene is ensured.

Description

technical field [0001] The present application relates to the technical field of distributed storage, in particular, to an intelligent pre-reading method based on distributed storage. Background technique [0002] Distributed storage is generally composed of general-purpose hardware servers, and the server's local hard disks form a storage resource pool to provide external storage services. Logically, distributed storage is generally divided into several main components: client components, data storage components, and cluster management components. Clients are generally used to provide external storage access interfaces, and internally send user data to different servers for storage. The data storage component is used to manage the local disk space, store the data written by the client on the local hard disk, and also respond to the client's read request, read the data from the local hard disk and return it to the client. The cluster management component is responsible for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0656G06F3/067
Inventor 邹素雯王振宇张傲张涛张为刘炜彭囝囡
Owner FENGHUO COMM SCI & TECH CO LTD
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