When to Partition
Big tables with time-based access patterns; avoid unbounded indexes.
Strategy
Range by date; local indexes; always test query plans.
Migration
Backfill in chunks; verify with explain analyze before cutting over.
When and how to partition, index strategies, and safe migrations in production.

Big tables with time-based access patterns; avoid unbounded indexes.
Range by date; local indexes; always test query plans.
Backfill in chunks; verify with explain analyze before cutting over.