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Fan-Out Uploads 
Overview
MinIO implements an S3 extension to perform multiple concurrent fan-out upload operations. A perfect use case scenario for performing fan-out operations of incoming TSB (Time Shift Buffer's). TSBs are a method of facilitating time-shifted playback of television signaling, and media content.
MinIO implements an S3 extension to the PostUpload where in a special fan-out list is sent along with the TSB's for MinIO make multiple uploads from a single source stream. Optionally supports custom metadata, tags and other retention settings. All objects are also readable independently once upload is completed via the regular S3 GetObject API.
How to enable Fan-Out Uploads ?
Fan-Out uploads are automatically enabled if x-minio-fanout-list form-field is provided with the PostUpload API, to keep things simple higher level APIs are provided in our SDKs for example in minio-go SDK:
PutObjectFanOut(ctx context.Context, bucket string, fanOutContent io.Reader, fanOutReq minio.PutObjectFanOutRequest) ([]minio.PutObjectFanOutResponse, error)