Cianplan

Level 2: Data · L2.8 Batch, streaming & change data capture

Change data capture

Stream database changes to other systems without dual writes.

12 min · Pro

What you take away

  • CDC reads the database's own replication log, so every committed change becomes an event with no application code.

And 3 more inside the class, in Pro.

How the class is laid out

  1. The problem
  2. The simple version
  3. How it works, and what it gives you
  4. Row changes are not events
  5. Check your understanding