Would appreciate any recommendations regarding design a high-load image processing service.
There are lots (tens of hundreds of relatively large images (~10…20 Mb each)) that to be processed using command line utils when requested.
Generally: request->image processing->result. Obviously, the system must be able to scale to accommodate considerable load.
My concern and I believe the core of the system design a file storage:
Using one single network file storage (file share, samba or something like this) seems ineffective, as this one and only network storage is a bottleneck.
Having multiple instances of the same file storages on each node (and somehow replicate files) is quire expensive.
Storing images in db? For me sounds virtually unusable for large files and command line processing.
I considered more complex designs like having one large storage and cache frequently used files locally; but it seems a bit too complicated and not reliable.
Are there any best practices or patterns for problem like this one?
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