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Hierarchical storage method based on dynamic threshold adjusting in cloud storage system

A cloud storage system and dynamic threshold technology, applied in transmission systems, electrical components, etc.

Active Publication Date: 2018-11-13
XIANGTAN UNIV
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Problems solved by technology

[0005] The invention discloses a hierarchical storage method based on dynamic threshold adjustment in a cloud storage system, which jointly determines the storage status of data objects through the optimization algorithm of dynamic threshold adjustment and dynamic classification, so that the data objects are stored according to the optimal storage strategy. Optimize storage offline to solve the problem of data migration jitter in the system and improve system performance

Method used

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  • Hierarchical storage method based on dynamic threshold adjusting in cloud storage system
  • Hierarchical storage method based on dynamic threshold adjusting in cloud storage system

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Embodiment Construction

[0017] Such as figure 2 Shown, the concrete implementation process step of the inventive method is:

[0018] Step 1. Information collection of each storage node in the cloud storage system:

[0019] 1) Periodically collect the status information of all storage nodes, including CPU, memory, hard disk, network, read and write speed and other operating status information of storage nodes, and obtain data access business information of storage nodes;

[0020] 2) Add the collected storage node status information to the node ID, process it into a node service status message and send it to the central server;

[0021] Step 2. According to the state information of all storage nodes in the cluster, partition the storage nodes according to the storage performance at the initial level:

[0022] 1) According to the storage node operation status information collected in step 1, the performance value of each storage node is calculated sequentially, which is recorded as SP.

[0023] 2) A...

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Abstract

The invention provides a hierarchical storage method based on a dynamic threshold adjusting in a cloud storage system. The method comprises the following steps: firstly performing hierarchical division on the system storage resource according to performance, and determining the specific storage hierarchical structure according to the system entire capacity; secondly, scanning various storage nodesof the system at fixed time, acquiring the latest system storage state and data access situation, computing a temperature value of the data, and comparing the temperature value with the set threshold, thereby generating a storage level adjusting policy of the data; and then dynamically adjusting the hierarchical structure and threshold according to the generated storage policy information; and finally implementing optimal storage placing on a data object. The method provided by the invention can be suitable for the cloud storage clusters in different scales, and has the advantages of reducingthe migration jittering and improving the system performance.

Description

technical field [0001] The present invention mainly relates to the field of cloud computing, in particular to the field of hierarchical storage in cloud storage systems. Background technique [0002] With the explosive growth of data, the demand for storage is increasing day by day. The cloud storage system of large-scale equipment clusters is an effective technical means to solve the problem of efficient storage of massive data. Cloud storage technology is derived from cloud computing. Through cluster integration, distributed file system, network technology and other technologies, many devices in the cluster and application software and other resources work together to provide external data storage services with large throughput. [0003] Each storage node in a cloud storage system often has different storage capacity and storage performance. How to store massive data in these storage nodes with heterogeneous performance can improve the resource utilization of the cloud sto...

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/1008H04L67/1097
Inventor 龙赛琴曾令斌刘子浩周思恒幸运
Owner XIANGTAN UNIV
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