A municipal media desk runs a video transcode fleet on EC2 and needs extremely fast local scratch during each job, but finished masters must remain durable evidence. Where should the scratch workspace live?
Select an answer to reveal the explanation.
Short Explanation
Transcode scratch is like a whiteboard—wipe it when the job’s done. Instance store gives blazing local speed for that temporary work, then you park the finished evidence on durable S3 or EBS. Glacier isn’t a hot scratch path, EFS-as-SoR for originals mixes concerns, and stuffing video into RDS is the wrong tool.
Full Explanation
EC2 instance store provides temporary block-level storage physically attached to the host and is suitable for ephemeral scratch such as intermediate transcode files. It is not durable across stop/terminate or hardware failure, so system-of-record evidence must be written to durable services such as Amazon S3 or EBS. Architects must not treat instance store as the authoritative archive for civic evidence.