The JusDB Database Engineering Blog
Deep dives on PostgreSQL, MySQL, MongoDB and more — performance tuning, high availability, migrations and production war stories from our DBAs.
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PostgreSQL Full-Text Search: tsvector, GIN Indexes, and ts_rank in Production
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.
PostgreSQL Replication Monitoring: Lag, Slots, and Failover Readiness
Monitor PostgreSQL streaming replication lag, replication slots, and standby health to ensure HA readiness
PostgreSQL Replication: Streaming Replication, Logical Replication, and Synchronous Standby Setup
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.
PostgreSQL Logical Replication: Setup, Use Cases, and Limitations
Configure PostgreSQL logical replication for selective table sync, zero-downtime upgrades, and multi-tenant setups
PgBouncer: The Complete PostgreSQL Connection Pooling Guide
PgBouncer multiplexes thousands of application connections onto a small pool of real PostgreSQL server connections — reducing connection overhead without any application code changes.
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