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PostgreSQL 18 Performance Internals: Optimizer and Indexing Advancements

PostgreSQL 18 performance internals deep dive: async I/O, B-tree skip scan, self-join elimination and planner rewrites — verified with real EXPLAIN output on 18.4.

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PostgreSQL Support diagram of the query lifecycle from parse to execute with planner inputs, pg_stat_statements instrumentation and a wait event triage table

Optimizing SQLs in PostgreSQL 18.4: 12 Proven Techniques for Peak Performance

A practical field manual for optimizing SQLs in PostgreSQL 18.4: EXPLAIN with buffers, B-tree skip scans, asynchronous I/O, statistics, join tuning, six animated diagrams and seven premium diagnostic scripts.

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Detecting and Fixing PostgreSQL Index Bloat with REINDEX CONCURRENTLY

PostgreSQL index bloat: measure it with pgstattuple, understand why B-trees inflate, and rebuild online with REINDEX CONCURRENTLY without downtime.

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Troubleshooting Slow PostgreSQL Queries with EXPLAIN ANALYZE and pg_stat_statements

PostgreSQL slow query troubleshooting with EXPLAIN ANALYZE and pg_stat_statements: find, diagnose, and fix slow queries in production, step by step.

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Setting Sail: Installing CloudNativePG (CNPG) for PostgreSQL on Kubernetes

Running PostgreSQL on Kubernetes used to feel like a daunting challenge reserved for platform engineering teams with deep operational expertise. That reality has changed. With CloudNativePG (CNPG), deploying a production-grade PostgreSQL cluster on Kubernetes is [...]

PostgreSQL 18 Performance Configuration Matrix: New Parameters and MinervaDB Tuning Recommendations

The release of PostgreSQL 18 introduces one of the most consequential rounds of configuration changes the project has shipped in years. For database engineers and site reliability teams, understanding PostgreSQL 18 performance tuning is no [...]

How to Do UPDATE … LIMIT in PostgreSQL (With Standard SQL Alternatives)

If you have ever migrated a workload from MySQL to PostgreSQL, you have probably hit a wall the first time you tried to run a statement like UPDATE mytable SET status = 'done' LIMIT 100;. [...]

btree_gist improvements in PostgreSQL 18

The btree_gist improvements in PostgreSQL 18 are one of the most practical performance wins shipping in this release for teams that depend on exclusion constraints, composite indexes, and nearest-neighbour search. The btree_gist extension lives in [...]

Should I Rebuild My PostgreSQL Index? When and How to REINDEX

Few maintenance questions generate as much confusion in the PostgreSQL community as this one: should I rebuild my PostgreSQL index, and if so, how often? Database administrators arriving from other systems frequently ask, "How can [...]

Key management in PostgreSQL encryption and TDE key handling

Key Management in PostgreSQL: Why Encryption Depends on It

Key management in PostgreSQL has quietly moved from a "nice to have" to a hard requirement for most deployments. Data-at-rest encryption is now a baseline expectation, yet encryption alone rarely tells the full story. The [...]

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PostgreSQL Index

PostgreSQL 18 Performance Internals: Optimizer and Indexing Advancements

Optimizing SQLs in PostgreSQL 18.4: 12 Proven Techniques for Peak Performance

Detecting and Fixing PostgreSQL Index Bloat with REINDEX CONCURRENTLY

Troubleshooting Slow PostgreSQL Queries with EXPLAIN ANALYZE and pg_stat_statements

PostgreSQL 18 Performance Configuration Matrix: New Parameters and MinervaDB Tuning Recommendations

How to Do UPDATE … LIMIT in PostgreSQL (With Standard SQL Alternatives)

btree_gist improvements in PostgreSQL 18

Should I Rebuild My PostgreSQL Index? When and How to REINDEX

Key Management in PostgreSQL: Why Encryption Depends on It