A method and system for improving reading speed of cold storage data

A technology for data reading and cold storage, applied in memory systems, data processing input/output processes, electrical digital data processing, etc. Algorithms, the effect of improving the speed of access

Pending Publication Date: 2019-02-15
TIANJIN YIHUALU INFORMATION TECH
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  • Application Information

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Problems solved by technology

[0009] The present invention aims to solve the above technical problems, and provides a method and system for improving the reading sp

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  • A method and system for improving reading speed of cold storage data
  • A method and system for improving reading speed of cold storage data

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[0031] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Such as Figure 1-2 As shown, a method for improving the reading speed of cold storage data is to divide the computer storage system into two parts: a cold storage area and a hot storage area. A part of the hot storage space is defined as a cache area in the hot storage area for caching cold storage. The storage area data and the data that may be accessed in the next step are predicted based on the data association in the storage system, and the data in the cold storage area is preloaded into the cache area in the hot storage area.

[0033] The cache in the hot storage area is divided into a historical data cache area and a predicted load data cache area. The historical data cache area is used to store data that has been accessed more frequently in the past period of time; the predicted load data cache area is used Advance loading predict...

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Abstract

The invention provides a method and a system for improving the reading speed of cold storage data. The system storage space is divided into a hot storage area and a cold storage area. The hot storagearea is divided into other intervals in the hot storage area and a buffer area in the hot storage area, and the buffer area in the hot storage area is divided into a history data buffer area and a prediction loading data buffer area. According to the currently accessed files, the method comprises the following steps of judging the files that may be accessed in the next step according to the correlation between the files, if the files are not in the current cache, reading the files from the cold storage area in advance and writing the files into the prediction loading data cache area; Dynamically resizing the capacity of the historical data buffer and the predicted load data buffer. The invention can predict and cache the cold storage data to be accessed in advance by the method of predicting the loading data, obviously improving the speed of accessing the cold data and improving the user experience.

Description

technical field [0001] The invention relates to the technical field of control computers, in particular to a method and system for improving the reading speed of cold storage data. Background technique [0002] In recent years, with the rapid development of information technology, especially the rapid expansion of network video surveillance business, the amount of digital information has shown an explosive growth trend, and the amount of data generated globally every year is increasing at a rate of 50%. The need for analytics is growing. According to Gartner research, the annual growth rate of global data storage demand in the next five years will be about 35% to 65%. By 2018, the total amount of data in the world will reach 44ZB (1ZB=1 billion TB). The total amount will exceed 13,000 EB, and China will become the country with the largest demand for big data storage. A large amount of data requires safe, massive, convenient, green, energy-saving and low-cost storage soluti...

Claims

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Application Information

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IPC IPC(8): G06F12/0871G06F12/0877G06F3/06
CPCG06F3/061G06F3/0625G06F12/0871G06F12/0877Y02D10/00
Inventor 何晓楠田耘坤张凡李涛苏世伟
Owner TIANJIN YIHUALU INFORMATION TECH
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