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Architecture diagram: speedy module

Docker Registry Driver:

ChunkMaster

ChunkServer

ImageServer

Module description

Docker Registry Driver is a driver implemented in accordance with Docker Registry 1.0 protocol, which completes the docking between Docker Registry and back-end storage system.

ChunkServer and ChunkMaster form a general object storage service. ChunkMaster is the central node and caches all ChunkServer information. ChunkServer itself is the storage node where the final image data is landed. Multiple ChunkServer will form a group and have a unique group ID. You can download all the ChunkServer in this group only if you upload them successfully.

ImageServer itself is a stateless Proxy service, which is equivalent to an access layer of the general object storage service. The image upload / download operation initiated by Driver will be sent directly to ImageServer. The storage node information in ChunkMaster is cached in ImageServer. Through this information, ImageServer will select the ChunkServer node and find a group of appropriate ChunkServer machines to complete the image upload or download operation.

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