Mass video data storage system
A video data and storage system technology, applied in the direction of electrical digital data processing, data processing input/output process, instruments, etc., can solve the problems of response delay limiting system service quality, unfavorable efficient storage of video data, and low system reliability , to achieve the effect of improving random write performance, reducing the amount of data read, and achieving physical continuity
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[0026] The invention mainly provides technical means from three aspects of storage efficiency, disk space optimization and energy consumption reduction to realize the purpose of optimizing the performance of the existing mass video data distributed storage system. In the existing solution, when the raw device is dealing with high concurrent random read and write, it will cause fragmentation inside the disk and affect the IO efficiency, resulting in discontinuous data storage. To solve this problem, the present invention proposes to use SSD as the cache disk, through Multi-channel concurrent modulation realizes sequential writing of video data and improves system writing efficiency. The invention also proposes a hybrid fault-tolerant strategy of "multiple copies + improved Liberation code" to ensure data reliability and improve storage space utilization, aiming at the space waste problem caused by multi-copy redundancy. The present invention can not take into account the proble...
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