Video surveillance has the following characteristics for storage requirements:
1. The demand for storage capacity is relatively flexible. The amount of storage capacity depends on factors such as the quality of the screen, the size of the screen, the frame rate of the screen, and the length of storage time. Changes in these factors will make the storage capacity relatively large. Big change.
2. The storage performance requirement is not high, but it needs to be able to meet the long-term continuous data reading and writing, the data flow is large, and the number of simultaneous access requests is small.
3. The length of the data storage period varies, and it can be used repeatedly after the usage time is exceeded. The data of general monitoring sites are kept for a certain period of time (such as 10 days), and can be deleted or overwritten later.
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