Posts tagged "distributed systems"

A practical comparison of conflict policies that preserve business intention when two synchronized systems edit the same entity.

Mutation simulations showing how offset, keyset, and cursor pagination behave when records are inserted, deleted, or updated during a long API scan.

A synchronization run rarely fails as one clean unit. Define progress, safe retries, checkpoints, and recovery so partial success becomes an ordinary state.

When you sync two systems with webhooks, the copy slowly becomes wrong: some events are lost, some are duplicated, some arrive in the wrong order. Reconciliation is the way to make the two systems agree again. Here is how to design an API for it.

You save to the database and publish an event to a queue. These are two writes, and one can fail. The outbox pattern makes them one. Here is how.