Data migration method of distributive file system, data migration device of distributive file system and metadata server

A metadata server and distributed file technology, applied in the field of communication, can solve the problem of low utilization of storage device space and performance, and achieve the effect of improving space and performance utilization.

Active Publication Date: 2015-10-14
NANJING ZHONGXING XIN SOFTWARE CO LTD
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  • Abstract
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Problems solved by technology

Therefore, the space and performance utilization of the storage device is not high, and no effective solution has been proposed for this problem

Method used

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  • Data migration method of distributive file system, data migration device of distributive file system and metadata server
  • Data migration method of distributive file system, data migration device of distributive file system and metadata server
  • Data migration method of distributive file system, data migration device of distributive file system and metadata server

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Embodiment Construction

[0023] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0024] According to an embodiment of the present invention, a data migration method of a distributed file system is provided.

[0025] figure 1 is a flowchart of a data migration method for a distributed file system according to an embodiment of the present invention, such as figure 1 As shown, the method includes step S102 to step S104.

[0026] Step S102, counting the access popularity of the file fragments according to the size of the file fragments and the number of accessed bytes of the file fragments.

[0027] Preferably, the larger the number of bytes accessed by the file fragment and the smaller the size of the file fragment, the greater the access popularity of the file fragment obtained ...

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Abstract

A data migration method and device for a distributed file system, and a metadata server. The data migration method for a distributed file system comprises: according to the number of accessed bytes of a file fragmentation and the size of the file fragmentation, making statistics about the access frequency of file fragmentation; and according to the access frequency of the file fragmentation, migrating the file fragmentation on storage devices of different performance. The method improves the utilization rate of space and performance for a storage device of a distributed file system.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data migration method, device and metadata server of a distributed file system. Background technique [0002] The distributed file system realizes mass storage and rapid deployment of data by distributing and storing data on multiple disks of multiple servers. As the types of storage devices are updated, new storage devices are continuously added to the disk cluster, and different storage devices have different performances. [0003] In a distributed file system, only a small number of stored files are frequently accessed, that is, file access is localized. In addition, the locality of file access is also reflected in the fact that only part of the content of the file itself is frequently accessed. [0004] Frequently accessed files require high performance, but there is no effective mechanism in the related art to balance the space and performance of storage devices. There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/119
Inventor 胡剑华韩盛中朱鹏
Owner NANJING ZHONGXING XIN SOFTWARE CO LTD
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