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Metadata management method

A management method and metadata technology, applied in the computer field, can solve the problems such as the amount of files that cannot meet the huge application operation and the large metadata access pressure at the same time, and achieve the effect of dynamically increasing the storage capacity and facilitating the storage capacity.

Active Publication Date: 2013-09-18
天津中科曙光存储科技有限公司
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Problems solved by technology

[0004] Aiming at the defect in the prior art that the distributed file system cannot simultaneously meet the requirements of huge application operation file volume and relatively large metadata access pressure, the present invention provides a metadata management method that can solve the above-mentioned defects

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0025] figure 1 It is an overall flowchart of a metadata management method according to an embodiment of the present invention. refer to figure 1 , the metadata management method 100 includes the following steps. In step S102, the metadata location information is acquired in the metadata location service module. Specifically, after receiving the data request from the user, the client first transmits the received data request to the metadata location service module, and acquires metadata location information in the metadata location service module. In step S104, the metadata location information is sent to the metadata service module. Specifically, the metadata l...

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Abstract

The invention provides a metadata management method. The metadata management method comprises the following steps: acquiring metadata position information from a metadata position service module; transmitting the metadata position information to a metadata service module; performing reading and writing operation on metadata according to the metadata position information. By the metadata management method, metadata management is divided into a metadata position management layer and a metadata management layer, the metadata position information accessed by users is uniformly managed through the metadata position management layer, and the metadata management layer disperses access requests of the users to a plurality of servers to execute according to the metadata position information, so that the defects of long system response time, slow response, low access efficiency and the like caused by simultaneous access to the metadata storage system by multiple users can be overcome, access pressure caused by simultaneous access to the metadata storage system by multiple users can be handled, and the system performance is improved.

Description

technical field [0001] The present invention generally relates to the field of computer technology, and more specifically, to a metadata management method. Background technique [0002] With the rapid development of technology, the exponential growth of file data has brought huge challenges to the storage system. Compared with the traditional SAN structure storage, the distributed file system has the characteristics of low price, strong scalability, and superior performance. As a general-purpose distributed file system, the management of metadata needs to be focused on, because metadata is the data that manages data. According to access characteristics, applications can be divided into two forms: metadata-intensive and metadata-intensive. Non-metadata-intensive applications are mainly large file access, such as video surveillance, virtual machine applications, etc. These applications focus on data access, and the proportion of metadata access is relatively low, so the pres...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 杨浩马照云马振杰苗艳超刘新春邵宗有
Owner 天津中科曙光存储科技有限公司
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