Attenuation type hierarchical storage system and method based on distributed storage system

A distributed storage and hierarchical storage technology, which is applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of high performance, large capacity storage requirements and low storage overhead, and achieve reduction Total cost of ownership, the effect of meeting high-performance requirements and meeting large-capacity requirements

Inactive Publication Date: 2019-08-23
BEIJING INST OF COMP TECH & APPL
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Problems solved by technology

Therefore, there is a contradiction between high-performance, large-capacity storage requirements and low storage overhead in existing large-scale storage systems

Method used

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  • Attenuation type hierarchical storage system and method based on distributed storage system
  • Attenuation type hierarchical storage system and method based on distributed storage system
  • Attenuation type hierarchical storage system and method based on distributed storage system

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Embodiment Construction

[0026] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] Aiming at the distributed storage system, the present invention proposes a decaying hierarchical storage system and method based on the distributed storage system, which simultaneously meet the requirements of high performance and large capacity. The design aims to use a decaying statistical method to store user data with different access frequencies and different access timings in different performance media, and finally achieve high-usage data storage to high-performance layers, and low-usage data The effect of storing to the low-performance tier, thereby improving the access speed of user data and optimizing the space utilization of tiered media.

[0028] In the automatic tiering technology of traditional dis...

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Abstract

The invention relates to an attenuation type hierarchical storage system and method based on a distributed storage system, and relates to the technical field of distributed storage. According to the invention, the timeliness of data in the information system is utilized to identify data flowing into the system with different heat degrees, a large number of cold data which are not accessed any moreare migrated out of precious high-speed storage media, and then low-speed storage media which are low in price and large in capacity are used for storage, so that rapid interaction between the hot data which are frequently accessed and a user is achieved through the high-speed storage media. With data migration, a large amount of cold data of the high-speed performance layer moves to the low-speed capacity layer; and a small amount of hot data in the low-speed capacity layer moves to the high-speed performance layer, so that the high-performance requirement on the access rate in a large-scalestorage system is met, the high-capacity requirement of mass data on a storage medium is also met, and meanwhile, the total ownership cost of the system is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of distributed storage, in particular to a decaying hierarchical storage system and method based on a distributed storage system. Background technique [0002] In an information storage system, data has obvious life cycle characteristics and is time-sensitive. In large-scale data centers, the total capacity of the system is generally several PB. When multiple channels of data continue to flow into the storage system, most of the data is relatively active in the initial stage. After the active period, the number of data accesses gradually decreases, and even rarely used. , but still requires long-term storage. [0003] Among the existing persistent storage media, solid-state hard disks with flash memory chips as storage bodies have higher performance, and have obvious advantages over mechanical hard disks in terms of continuous access characteristics and random access characteristics of data. On the one han...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0649G06F3/0685
Inventor 殷双飞袁晓光
Owner BEIJING INST OF COMP TECH & APPL
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