Database Insights

PostgreSQL WAL retention is a balancing act — too little and standbys fall behind; too much and you risk disk exhaustion. Here's how to configure wal_keep_size and manage replication slots safely.

A practical guide to hardening PostgreSQL: configure SSL/TLS, tighten pg_hba.conf, implement least-privilege roles, enable row-level security, and set up audit logging.

PostgreSQL 13 will officially reach end of life on November 13, 2025. After this date, the PostgreSQL Global Development Group will stop releasing security patc

Transform PostgreSQL into a vector database with pgvector. Learn embedding storage, ANN index creation, similarity search optimization, and AI/ML integration patterns.

PostgreSQL views historically executed with the owner's privileges, bypassing row-level security policies. PostgreSQL 15 fixed this with security_invoker views — here's why it matters and how to use it in multi-tenant schemas.

Learn how JusDB optimized a TimescaleDB cluster ingesting billions of IoT readings monthly, achieving 10× faster writes and 65% storage reduction.

A production guide to PostgreSQL full-text search — building tsvector generated columns, GIN indexes, multi-column search with setweight, ts_rank scoring, websearch_to_tsquery, and comparison against Elasticsearch.

Monitor PostgreSQL streaming replication lag, replication slots, and standby health to ensure HA readiness

A complete guide to PostgreSQL replication — streaming replication setup, logical replication for selective table sync, synchronous standby configuration, monitoring replication lag, and failover with Patroni.

Configure PostgreSQL logical replication for selective table sync, zero-downtime upgrades, and multi-tenant setups

PgBouncer multiplexes thousands of application connections onto a small pool of real PostgreSQL server connections — reducing connection overhead without any application code changes.

Comprehensive PostgreSQL guide covering MVCC, extensions, partitioning, logical replication, and performance tuning. Learn why PostgreSQL powers modern applications.