First, the conventional picture storage strategy
Conventional 400G the following general picture can be stored in the form of more traditional sub-directory using
Such as directory hierarchy for the year / Industry Properties / month / date / user attributes
There are few more important principle is
1, the number of files in a single directory not more than 2000, much slower addressing
2, the directory hierarchy not too deep, so that the server process addressing slow
Second, the massive picture storage problems?
(1) high scalability. It is easy to add a server
(2) ease of use
(3) high reliability.
(4) flexibility. Maintenance is simple, relatively low cost.
Third, the massive file storage scheme is as follows:
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