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Method and device for determining data migration target

A technology for migrating objects and determining data, which is applied in the field of Internet communication, and can solve problems such as difficulty in adapting to loads, failure to make full use of high-quality storage resources, and inability to migrate data, so as to achieve full utilization of high-quality storage resources.

Active Publication Date: 2013-05-01
深圳市弘志拓新创业投资企业(有限合伙)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a method and device for determining data migration objects, aiming to solve the problem that the current method for determining data migration objects does not make full use of high-quality storage resources, so that the following data cannot be migrated when there is still a lot of remaining space
At the same time, there is also the problem that it is difficult to adapt to dynamically changing loads

Method used

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  • Method and device for determining data migration target

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that what is described here is only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] figure 1 It is a flow chart of a method for determining a data migration object provided by an embodiment of the present invention. For ease of description, only parts related to the embodiment of the present invention are shown.

[0023] Such as figure 1 As shown, the method includes the following steps:

[0024] In step 101, each storage level has a set threshold, and the popularity valu...

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Abstract

The invention belongs to the field of internet communication and provides a method for determining a data migration target. The method comprises the following steps of comparing a heat value of estimated data with a set threshold value of each storing layer, and performing local selection to obtain a local selection result; performing re-selection on the local selection result in the way of combining the residual space of each storing layer to obtain the data migration target; and after data migration is finished, updating the threshold value according to a migration result. Local selection and overall selection are combined, self-selection is performed on each storing layer, further selection is performed on the data target subjected to local selection, and the residual space of each storing layer is combined to determine the data migration target, so that the migration target can be reduced as much as possible and can adapt to the dynamic change of system load, and good storage resources can also be fully used.

Description

technical field [0001] The invention belongs to the field of Internet communication, and in particular relates to a method and a device for determining data migration objects. Background technique [0002] With the explosive growth of data, clusters that store massive amounts of data emerge as the times require. Because the amount of data stored in the cluster is large, and some have reached the PB level, there may be a large amount of data access at the same time. Therefore, whether the data storage location is reasonable directly affects the data access delay. [0003] Data migration refers to the process of moving data between different storage media. Usually, the frequency of data migration is relatively small, and the purpose is mostly related to system upgrade or data backup. However, the data migration in the hierarchical storage system occurs frequently, and its purpose is to adjust the location of the data so that the access performance of all data in the system ...

Claims

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Application Information

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IPC IPC(8): G06F12/08G06F17/30
Inventor 张森林冯圣中
Owner 深圳市弘志拓新创业投资企业(有限合伙)
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