The JusDB Database Engineering Blog

Evaluate Google AlloyDB — columnar engine, read pool nodes, ML integration, and comparison with Aurora PostgreSQL

A deep dive into PostgreSQL JSONB vs JSON storage formats, GIN and B-tree indexing strategies, containment operators, and the performance characteristics that determine which to use for document storage workloads.

A production guide to Amazon Aurora PostgreSQL — the shared storage architecture, fast failover mechanics, Aurora Serverless v2 ACU scaling, Global Database, Parallel Query, and an honest comparison against standard RDS.

Use PostgreSQL FDW to query MySQL, S3, MongoDB, and other databases from within PostgreSQL — setup and performance tips

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.

Design PostgreSQL HA with Patroni 4.1, a protected quorum DCS, HAProxy role checks, explicit durability choices, and rehearsed switchover and recovery.

A production guide to AWS RDS Proxy — how it works, when to use it, IAM authentication setup, and the connection pool sizing rules that prevent Lambda-induced database overload.

PostgreSQL PITR lets you recover your database to any point in time — down to the second — by replaying WAL segments on top of a base backup. Here's how to set it up correctly.

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

A production guide to TimescaleDB — hypertable setup, automatic chunk management, columnar compression policies, retention policies, continuous aggregates with time_bucket(), and comparison against InfluxDB and Prometheus.

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