Database & Cloud
Scaling PostgreSQL to 100M+ Rows: Partitioning, Connection Pooling & Read Replicas
Alex Rivera
VP of Engineering
July 15, 2026 8 min read
# Scaling PostgreSQL to 100M+ Rows
Relational databases remain the gold standard for transactional consistency. Here is how we scale PostgreSQL without sacrificing ACID guarantees.
1. Table Partitioning by Time & Tenant Declarative range partitioning ensures that queries for recent billing periods scan only the relevant partition, keeping indexes in RAM.
2. PgBouncer Transaction Pooling Handle 20,000+ simultaneous connections with low memory overhead by sharing connections at the transaction level.
#PostgreSQL#Database#Cloud Scale#High Availability#DevOps
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