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Data storage method, device and device

A database and data technology, applied in the field of data warehousing, can solve the problems of fixed performance, high IO pressure affecting data warehousing performance, and warehousing performance, and achieve the effect of reducing IO pressure, ensuring performance, and reducing quantity

Active Publication Date: 2021-04-23
HANDAN BRANCH OF CHINA MOBILE GRP HEBEI COMPANYLIMITED +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the effects of scheme 1 and scheme 2 are related to Hbase's own product version and the number of Handlers, and the performance that can be improved is relatively fixed.
The commonly used Hbase data compression algorithms mentioned in Scheme 3 are often used in actual production projects, but these three data compression algorithms are applicable to different application scenarios, and the algorithms themselves have some different limitations.
When using any compression algorithm in GZIP, LZO, Zippy / Snappy for engineering practice, you will inevitably encounter the problem of high IO pressure on the network and disk, which will lead to the problem that the storage performance is affected
[0010] To sum up, the following technical problems exist in the prior art: due to the high IO pressure of the network and disk, the performance of data storage is affected

Method used

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  • Data storage method, device and device
  • Data storage method, device and device
  • Data storage method, device and device

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Embodiment Construction

[0069] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0070] In the embodiment of the present invention, firstly, a high-speed Huffman compression algorithm including a quick sort algorithm is started to perform the first data compression on the written data to generate the first compressed file. Then, call the double compression algorithm to perform the second data compression on the first compressed file, and realize HDFS data storage based on the second compressed file. Considering the CPU performance pressure and compression efficiency, the written data is compressed twice to reduce the amount of stored data, thereby reducing the IO pressure of the network and disk, and ensuring the performance of data storage.

[0071] see figure 1 It is a schematic flow chart of the method for dat...

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Abstract

A method, device and equipment for data storage, including: starting a high-speed Huffman Huffman compression algorithm including a quick sort algorithm to perform first data compression on written data to generate a first compressed file; the first compressed file write After entering the Hbase database table, call the double compression algorithm to realize the second data compression of the first compressed file, and output the second compressed file; based on the second compressed file, realize Hadoop distributed file system HDFS data storage. After adopting the embodiment of the present invention, the IO pressure of the network and the disk can be reduced, and the performance of data storage can be ensured.

Description

technical field [0001] The invention relates to the field of computers, in particular to a method, device and equipment for data storage. Background technique [0002] According to the research results of the Internet Data Center (IDC) for many years, the global data volume doubles approximately every 2 years, and the annual data volume increases exponentially. The data growth rate conforms to Moore's law. It is estimated that by 2020, the global total data volume will be Reach 35ZB. How to effectively collect, load, analyze and process these massive data has become an important link and basis for big data applications. [0003] In order to realize the rapid processing of massive data, an important prerequisite is to realize the rapid storage of massive data. However, as the volume of data becomes larger and larger, the pressure on the IO performance of the network and disk in the process of data storage increases sharply. In the existing network And under the performance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/182G06F16/174H03M7/40
CPCH03M7/4012
Inventor 张琳冯明
Owner HANDAN BRANCH OF CHINA MOBILE GRP HEBEI COMPANYLIMITED
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