Blog tag
Posts tagged PostgreSQL
5 posts tagged "PostgreSQL".
The PostgreSQL VACUUM Freeze Map Crisis: Why Managed RDS Storage Autoscaling Isn't the Safety Net You Think It Is
Cloud providers promise infinite storage, but they cannot save you from the hard architectural limit of the 32-bit Transaction ID. Learn why storage autoscaling fails to prevent a database freeze during a wrap-around crisis.
The 'Small Data' Fallacy: Why Citus is Often a Premature Optimization
Scaling out via Citus or sharding often introduces more latency and complexity than it solves for mid-market SaaS providers. Before you distribute your data, ensure you have actually exhausted the limits of a single beefy instance and clean schema isolation.
The Partitioning Paradox: Why PostgreSQL Declarative Partitioning is Killing Your Performance at Scale
Declarative partitioning simplified database management, but it introduced a dangerous architectural trap that leads to query planner exhaustion and heavy lock contention.
PostgreSQL Transaction Wraparound: The Silent Killer of Managed Cloud Instances
Cloud providers market 'managed' databases as maintenance-free, but neglecting autovacuum settings on high-volume RDS or Cloud SQL instances will eventually lead to a catastrophic read-only shutdown.
PostgreSQL Performance Tuning: Index Strategies That DBAs Actually Use
Generic index advice won't save you at 3am when queries are crawling. Here's the PostgreSQL index tuning playbook seasoned DBAs actually reach for — from partial indexes to covering indexes to the queries that reveal what's really killing your performance.