https://blog.rajpoot.dev/posts/postgresql/ Recent content in PostgreSQL on Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot https://blog.rajpoot.dev/posts/postgresql/postgres-as-queue-2026/ Sun, 03 May 2026 06:40:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-as-queue-2026/ Postgres as a job queue in 2026 — SKIP LOCKED, LISTEN/NOTIFY, retry/backoff, and when boring beats Redis/Kafka. https://blog.rajpoot.dev/posts/postgresql/postgres-locks-2026/ Sun, 03 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-locks-2026/ Postgres locking patterns in 2026 — row locks, advisory locks, lock modes, deadlock detection, and the patterns from production. https://blog.rajpoot.dev/posts/postgresql/postgres-jsonb-2026/ Sat, 02 May 2026 10:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-jsonb-2026/ Postgres JSONB in 2026 — indexing strategies, query patterns, performance, and when to use JSONB vs proper columns. https://blog.rajpoot.dev/posts/postgresql/postgres-partitioning-2026/ Sat, 02 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-partitioning-2026/ Practical Postgres partitioning in 2026 — when to partition, partition strategies, pg_partman automation, and the patterns from large-scale Postgres. https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-topology-2026/ Sat, 02 May 2026 08:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-topology-2026/ Postgres replication topologies in 2026 — streaming, logical, hot standby, cascading, and the patterns from production teams. https://blog.rajpoot.dev/posts/postgresql/postgres-pgvector-hybrid-search-2026/ Fri, 01 May 2026 04:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-pgvector-hybrid-search-2026/ How to build hybrid search in Postgres in 2026 — combining pgvector and full-text search with RRF fusion, plus a reranker, for production RAG. https://blog.rajpoot.dev/posts/postgresql/postgres-time-series-vs-timescale-2026/ Thu, 30 Apr 2026 23:20:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-time-series-vs-timescale-2026/ Time-series in Postgres in 2026 — when vanilla Postgres + partitioning is enough, when TimescaleDB earns its cost, and when to move to ClickHouse. https://blog.rajpoot.dev/posts/postgresql/postgres-row-level-security-2026/ Thu, 30 Apr 2026 22:10:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-row-level-security-2026/ Postgres row-level security in 2026 — policies, tenant isolation, performance, and the patterns that prevent cross-tenant leaks. https://blog.rajpoot.dev/posts/postgresql/postgres-vacuum-bloat-2026/ Thu, 30 Apr 2026 19:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-vacuum-bloat-2026/ Postgres VACUUM, autovacuum tuning, bloat detection, and the operational patterns that keep large Postgres tables performant in 2026. https://blog.rajpoot.dev/posts/postgresql/postgresql-performance-tuning-2026/ Thu, 30 Apr 2026 15:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-performance-tuning-2026/ A practical Postgres performance tuning cheat sheet for 2026 — config knobs, indexing, EXPLAIN reading, vacuum, connection pools, and the diagnostics that find slow queries fast. https://blog.rajpoot.dev/posts/postgresql/postgresql-partitioning-2026/ Thu, 30 Apr 2026 15:20:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-partitioning-2026/ Postgres table partitioning in 2026 — range, list, hash partitioning, partition pruning, attach/detach, and the patterns for huge tables. https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-ha-2026/ Thu, 30 Apr 2026 15:10:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-ha-2026/ Postgres high availability in 2026 — streaming replication, logical replication, Patroni / pg_auto_failover, and the patterns for zero-downtime ops. https://blog.rajpoot.dev/posts/postgresql/postgres-cdc-debezium-logical-replication-2026/ Thu, 30 Apr 2026 11:10:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgres-cdc-debezium-logical-replication-2026/ Postgres change-data-capture in 2026 — logical replication, Debezium, pgoutput, and how to stream every DB change to Kafka, NATS, ClickHouse, or your search index. https://blog.rajpoot.dev/posts/postgresql/distributed-sql-cockroachdb-spanner-yugabyte-2026/ Thu, 30 Apr 2026 09:50:00 +0530 https://blog.rajpoot.dev/posts/postgresql/distributed-sql-cockroachdb-spanner-yugabyte-2026/ When to reach for distributed SQL in 2026 — CockroachDB, Spanner, Yugabyte, AlloyDB, TiDB — and when single-node Postgres is still the right call. https://blog.rajpoot.dev/posts/postgresql/postgresql-mvcc-isolation-locking/ Wed, 29 Apr 2026 10:30:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-mvcc-isolation-locking/ PostgreSQL MVCC, isolation levels, and locking explained for backend developers — read committed vs repeatable read vs serializable, row locks, deadlocks, and the patterns that keep transactions correct. https://blog.rajpoot.dev/posts/postgresql/postgresql-18-features-developers-guide/ Wed, 29 Apr 2026 09:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-18-features-developers-guide/ PostgreSQL 18's most important features for developers — async I/O for up to 3× read perf, native uuidv7(), virtual generated columns, OAuth auth, EXPLAIN buffers by default, and the upgrade gotchas. https://blog.rajpoot.dev/posts/postgresql/postgresql-jsonb-advanced-patterns/ Tue, 28 Apr 2026 20:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-jsonb-advanced-patterns/ Advanced PostgreSQL JSONB patterns for production — GIN indexing strategies, query operators, partial indexes, generated columns, and the performance pitfalls that bite at scale. https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ Tue, 28 Apr 2026 16:50:00 +0530 https://blog.rajpoot.dev/posts/postgresql/pgvector-deep-dive-hnsw-tuning/ A serious deep dive into pgvector — index types (HNSW vs IVFFlat), distance operators, build parameters, ef_search tuning, and how to make Postgres a competent vector database in production. https://blog.rajpoot.dev/posts/postgresql/postgresql-full-text-search/ Tue, 28 Apr 2026 14:05:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-full-text-search/ How to add real full-text search to your app using only PostgreSQL — tsvector, tsquery, ranking, GIN indexes, and how to know when to graduate to Elasticsearch. https://blog.rajpoot.dev/posts/postgresql/postgresql-indexing-and-explain/ Tue, 28 Apr 2026 14:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-indexing-and-explain/ A practical, hands-on guide to PostgreSQL indexing and reading EXPLAIN plans — when to add indexes, what kinds to use, and how to debug slow queries. https://blog.rajpoot.dev/posts/postgresql/postgresql-fundamentals/ Tue, 28 Apr 2026 13:00:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-fundamentals/ A practical primer on PostgreSQL — the data types, indexing, transactions, and JSONB features that backend developers reach for every day.