A data reading method, system, device and terminal
A data reading and data technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problem of longer response time, affecting the performance of distributed storage systems, etc. performance, the effect of improving reading efficiency
Active Publication Date: 2022-05-24
SUZHOU METABRAIN INTELLIGENT TECH CO LTD
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Problems solved by technology
The data reading speed of the slow data pool is much slower than the data reading speed of the cache pool, resulting in a longer response time, which in turn affects the performance of the entire distributed storage system
Method used
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Embodiment Construction
[0044] The core of the present invention is to provide a data reading method, system, device and terminal. By establishing the above data pre-reading strategy, the reading efficiency of the data to be read in this case is improved, thereby ensuring the entire distributed storage. system performance.
[0045] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0046] Please refer to figure...
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The invention discloses a data reading method, system, device and terminal. The scheme first obtains the data characteristics of the data to be read sent by the terminal in the current period, and determines that the data to be read is not in the cache pool and within the current period When the reading of the data to be read is not completed, when it is determined according to the data characteristics that the terminal reads all the data to be read, a pre-read request for the data to be read is constructed, and the pre-read request and the data to be read are combined. The data characteristics of the data are sent to the slow data pool to extract all the data to be read from the slow data pool to the cache pool. It can be seen that after the non-hot data in the high-speed buffer pool is flushed to the slow buffer pool in the prior art, the data to be read by the terminal next time is just the non-hot data. The read strategy improves the read efficiency of the data to be read in this case, thereby ensuring the working performance of the entire distributed storage system.
Description
technical field [0001] The present invention relates to the field of data storage, in particular to a data reading method, system, device and terminal. Background technique [0002] In a data distributed storage system, a cache pool is usually created based on some high-speed solid-state storage devices such as SSD (Solid StateDevice, solid-state storage device), and a cache pool is created based on some low-speed mechanical storage devices such as HDD (Hard DiskDrive, mechanical storage device), etc. The high-speed data pool has a large storage capacity and stores all the data; the high-speed data pool has limited storage capacity and only stores the hot data that is frequently accessed among all the data so that it can be read quickly when needed. Pick. [0003] The determination of hotspot data is related to the number of times the data is accessed within a period of time, and when the number of times the data is accessed within the period of time decreases, it will be d...
Claims
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IPC IPC(8): G06F3/06
CPCG06F3/067G06F3/0656G06F3/061
Inventor 李吉龙张旭升
Owner SUZHOU METABRAIN INTELLIGENT TECH CO LTD