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Metadata management method and device

A management method and management device technology, applied in the field of metadata management method and its device, can solve problems such as low efficiency of metadata update operation and reduced availability of system data, so as to improve resource utilization, improve efficiency, and optimize storage structure effect

Active Publication Date: 2017-02-01
DAWNING INFORMATION IND BEIJING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the problem in the related art that the update operation efficiency of metadata in the distributed data storage system is not high, which leads to a decrease in the availability of system data, the present invention proposes a management method for metadata, which can optimize the storage structure of metadata, thereby improving the availability of metadata. The efficiency of updating metadata nodes provides a new idea for the convenient and effective management of metadata, thereby improving the resource utilization of distributed data storage systems

Method used

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  • Metadata management method and device

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Embodiment Construction

[0039] 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. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0040] According to an embodiment of the present invention, a metadata management method is provided.

[0041] Such as figure 1 As shown, the metadata management method according to the embodiment of the present invention includes:

[0042] Step S101, configuring metadata into multiple sets;

[0043] Step S103, saving multiple collections of metadata in a fully replicated manner in each of the multiple nodes;

[0044] Step S105, accessing part or all of the collections stored in the node a...

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Abstract

The invention discloses a method and a device for managing metadata. The method comprises the following steps: allocating the metadata into a plurality of assemblages; saving the plurality of assemblages of the metadata in a mode of full copy at each node of a plurality of nodes; and according to a request of a user, accessing partial or total assemblages which are saved in the nodes. According to the invention, the metadata are allocated into the plurality of assemblages and are saved in the nodes and then service is provided for the user, so that the resource of the metadata can be integrated and the storage structure of the metadata is optimized. Therefore, the efficiency of updating the nodes of the metadata is increased. In addition, as the mode of full copy is adopted, the data loss is reduced and the resource utilization rate of distributed data storage systems is increased.

Description

technical field [0001] The present invention relates to the computer field, and in particular, relates to a method and device for managing metadata. Background technique [0002] Metadata storage is an important link in a distributed storage system. In recent years, with the sharp increase in data volume, distributed storage technology has become a commonly used technology, and various distributed file systems and distributed database software emerge in endlessly. These Technologies use different mechanisms to store metadata. In practical applications, metadata is frequently read. In order to ensure the efficiency of distributed systems, metadata can be organized into specific data structures and stored in memory. Metadata nodes are key modules that affect the availability of the entire distributed storage system. The read and write operations of the client to the distributed system must go through the metadata node. Metadata nodes generally need to have a larger memory, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 王颖宋怀明狄静舒苗艳超刘新春邵宗有
Owner DAWNING INFORMATION IND BEIJING
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