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How Canva Built Simple, Auditable, and Maintainable Data Retention

Talkat PEPR '26 · 2026-06-01..06-02· [software-architecture, devops-and-delivery]
links:none on file
slides:none on file

Canva re-architects deletion with a central deletion service using a star topology that replaces brittle event chains, generates per-service wiring from a small parameter file so each service needs only a few lines of code, and executes queued deletes and replayable audits. Production data snapshots are taken from every S3, DynamoDB and RDS instance in a locked mirror to delta against 16 activity scripts, run weekly across ~3,000 persistent stores, and can time-travel simulate a 7‑year retention for evidence.

AI-written summary · about

  1. 0:00Data retention at Canva
  2. 1:14Canva’s retention model
  3. 4:23Cascading deletion failures
  4. 6:26Star topology deletion
  5. 9:56Implementing deletion model
  6. 11:42Auditing data deletion
  7. 14:50Key takeaways
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