Practical write-ups on migrations, monitoring, architecture, and the incidents we've learned the most from — from the engineers who actually do the work, not a marketing team.
"Just take a maintenance window" isn't an acceptable answer anymore. Here's the logical-replication pattern we use to cut over production PostgreSQL clusters without customers noticing.
📈 MonitoringCPU and memory graphs tell you a database is unhealthy after the fact. These five signals — tracked as trends, not snapshots — tell you before your users do.
🔄 Migrations"Migrate to Postgres" is popular advice, not universal advice. A practical framework for deciding whether the switch is actually worth the risk for your workload.
🏗️ ArchitectureMost companies are sitting on years of transactional history that's functionally unqueryable. Here's how we design the schema and backfill strategy to make it useful again.
🚨 Incident ResponseA response-time SLA sounds like a marketing line until you break down what has to happen in those 15 minutes — and how much of it was decided long before the alert fired.
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