September 2026
Why replication lag matters more than uptime
Most postmortems focus on downtime. In practice, stale reads caused by replication lag are far more common — and far harder to notice until a customer does.
Most postmortems focus on downtime. In practice, stale reads caused by replication lag are far more common — and far harder to notice until a customer does.
You don't need a 90-day retention policy on day one. Here's how we think about backup windows for teams under ten people.
Latency to your users matters, but so does the cost and reliability of the network path between regions when things fail over.
Caching buys you time, not correctness. A short list of the failure modes we've seen teams run into after leaning on cache too hard.