Syncing Two Object Stores: Migrating Terabytes While Users Stream

Sat, 16 May 2026 10:00:00 +0530

The last chapter ended with a decision, not an action. We had outgrown the Wasabi-plus-Cloudflare stack that had saved us a small fortune, and I had picked Bunny.net — Bunny Storage for the files, Bunny CDN in front — as the place our 3.5 TB of media was going to live. Deciding is the easy part. The hard part is the sentence I had to say next: we are going to move roughly 3.5 terabytes of video from one object store to another, and at no point during that move can a single one of our 30,000 users notice.

Zero-Downtime on Kuldeep Pisda

Syncing Two Object Stores: Migrating Terabytes While Users Stream