Postgres Performance Tuning Cheat Sheet 2026
Practical Postgres tuning cheat sheet. Config knobs that matter, indexing patterns, reading EXPLAIN ANALYZE BUFFERS, vacuum and bloat, connection pooling, and slow-query diagnostics.
Practical Postgres tuning cheat sheet. Config knobs that matter, indexing patterns, reading EXPLAIN ANALYZE BUFFERS, vacuum and bloat, connection pooling, and slow-query diagnostics.
When and how to partition Postgres tables. Range / list / hash, partition pruning, attach/detach, default partitions, and the gotchas at scale.
Production HA for Postgres in 2026. Streaming vs logical replication, Patroni vs pg_auto_failover vs Stolon, RPO/RTO tradeoffs, and the patterns that keep a primary alive.
How CDC actually works in 2026. Postgres logical replication slots, pgoutput, Debezium, the outbox pattern, and how to fan out changes to Kafka, NATS, ClickHouse, OpenSearch, or your AI pipeline.
A practical 2026 guide to distributed SQL. The architecture behind CockroachDB / Spanner / Yugabyte / TiDB, when distributed SQL earns its cost, when Postgres + read replicas is enough, and the migration realities.
How Postgres MVCC actually works, the four isolation levels (and what each gives you), row vs advisory locks, deadlocks, and the transaction patterns every backend developer needs to handle concurrency correctly.
Why Drizzle is the right TypeScript ORM in 2026. Schema-first design, end-to-end type safety, drizzle-kit migrations, relations, transactions, JSON columns, and the patterns I reach for in production.
A focused walkthrough of PostgreSQL 18 for application developers — async I/O, native uuidv7(), virtual generated columns, OAuth auth, EXPLAIN buffer reporting by default, logical replication improvements, and what to know before you upgrade.
JSONB beyond the basics — GIN with jsonb_path_ops, partial and expression indexes, generated columns for hot fields, partitioning, jsonb_set rewrites, and the mistakes that turn 12ms queries into 4 seconds.
A from-scratch production Rust HTTP service. Axum 0.8, sqlx with compile-time-checked queries, structured errors, request tracing, layered middleware, and the exact project layout I use.