Severalnines Blog

Automated Database Failover: Why Homegrown High Availability Struggles At Scale

October 2, 2026 Paul Namuag
I've encountered DBAs and ops engineers who shared war stories of running production long before automation and modern tooling went mainstream. Experiencing sudden primary faults during sleeping hours, getting paged, logging in to squint over trace logs that show replication lag on all replicas and working out which one is...

Operational Guide to Migrating to ClickHouse

February 27, 2026 Sucahyo Ardy Prasetiyo

ClickHouse Scaling and Sharding Best Practices

February 6, 2026 Sucahyo Ardy Prasetiyo