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Cloud Computing Fundamentals · Cloud Compute and Storage Choices: VMs, Containers, Serverless, Object

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Trick to keep in mind+3 XP

Files go in the bucket; the database keeps only a pointer to each one.

User uploads are numerous, fairly large and rarely edited in place. Object storage is cheap, extremely durable and stretches without planning, and your app refers to each file by key or URL. A disk attached to one machine ties files to that machine, and large binaries inside a database are slow and expensive.

Read it once, then a question tests whether the trick stuck.