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Data heat calculation method and device for layered storage in cloud storage system

A cloud storage system and layered storage technology, applied in the field of cloud storage, can solve problems such as inaccurate heat value statistics

Active Publication Date: 2018-05-01
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned technical problems, the present invention provides a method and device for calculating the heat value of hierarchically stored data in a cloud storage system, so as to overcome the technical defect that the existing heat value statistics are inaccurate in some application scenarios

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  • Data heat calculation method and device for layered storage in cloud storage system
  • Data heat calculation method and device for layered storage in cloud storage system

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. 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 arbitrarily with each other.

[0033] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0034] During system operation, several hit sets are established in chronological order, and within the life cycle T of each hit set, the object ID of the object operation is recorded in the hit set, and the object ID of the same object in each hit set is ...

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Abstract

The invention discloses a calculation method for data temperature value in a cloud storage system based on tiered storage. During operation of the system, multiple hitting sets are sequentially set up according to the time sequence. Object identifiers operated by all objected are recorded in each hitting set within the life cycle of each hitting set. The calculation method comprises following steps: selecting a pre-migration object; determining a hitting set N where the pre-migration object is located at the current time; determining a statistical set according to the hitting set N and a history number M of a pre-supposed hitting set; judging whether the pre-migration object has an object identifier in each hitting set of the statistical set or not and setting the hitting value D of each hitting set; and calculating data temperature value R of the pre-migration object according to hitting values D of all the hitting sets and weighted values Q of all the pre-supposed hitting sets. The calculation method for data temperature value in the cloud storage system based on tiered storage has following beneficial effects: by setting hitting sets and weighted values of the hitting sets, comprehensive considerations are taken into operation time and operation frequency of the object for acquired data temperature value so that acquired data temperature value is more accurate.

Description

technical field [0001] The present invention relates to the technical field of cloud storage, in particular to a method and device for calculating heat of data in layered storage in a cloud storage system. Background technique [0002] With the rapid development of cloud storage technology, high parallelism, high reliability and high cost performance of storage system become more and more important. Hierarchical storage system is based on the physical characteristics of different storage devices. It is a storage system composed of storage devices with different performance, different reliability and different prices. High-cost storage device space is allocated to high-temperature data, and low-temperature data is migrated to low-performance and low-cost storage devices, thereby releasing high-performance and high-cost storage space, making the cost of the storage system close to low-cost storage devices, and the overall performance of the storage system tends to be high-per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
Inventor 于涛张在贵
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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