A vision recording device can be evaluated with a representative set of streams. First define recording settings, segmentation, time zone, retention and available capacity. The proposed design links file writing, index updates and playback requests so each search result can be checked against its media file. Deployment and capacity at the target site remain unverified.
Define file and index states
The index can record the stream, start and end times, file identifier, size and availability. Distinguish active writing, completed files, missing files and deleted files. Define how to reconcile files and indexes after restart if a write, index update or cleanup is interrupted. Verify usable storage and disk space thresholds on the intended device.
Test playback and recovery with actual requests
Check time filtering, playback across segments, seeking and concurrent reads and writes by multiple clients. Keep interface responses, player results and disk load records. For stream loss, restart and low disk space, record recovery time, data gaps and remaining failures. If export, shared storage or pre-event and post-event buffering are required, define their functions and test conditions separately.
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