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ArmorDB engineering

Practical PostgreSQL, without the noise.

Clear guides for running, securing, and scaling PostgreSQL in production—from quick fixes to deeper architecture decisions.

99

Field notes, comparisons, and operational guides.

Latest writing

Recently published

A focused selection from the full archive, ordered by publication date.

News & TrendsAug 27, 2026

PostgreSQL 18 VACUUM and ANALYZE Inheritance Change: What to Check

PostgreSQL 18 changes VACUUM and ANALYZE behavior for inherited parent tables. Learn how to audit maintenance scripts before a managed database upgrade.

6 min readRead
ComparisonsAug 26, 2026

PostgreSQL Extension Policy for Managed Databases

Compare PostgreSQL extension choices for managed databases, including contrib modules, trusted extensions, provider support, custom code, and external services.

7 min readRead
Quick FixesAug 25, 2026

Fix PostgreSQL: cannot execute INSERT in a read-only transaction

Learn why PostgreSQL reports a read-only transaction, how to confirm whether you are on a replica or read-only session, and the safest fix for managed databases.

5 min readRead
Deep DivesAug 24, 2026

PostgreSQL Memory Tuning in Managed Databases: A Practical Deep Dive

A practical guide to PostgreSQL memory tuning for managed databases, covering work_mem, shared buffers, temp files, connection pools, and safe diagnosis.

8 min readRead
News & TrendsAug 23, 2026

PostgreSQL 18 Upgrade Checklist for Managed Databases

A practical PostgreSQL 18 upgrade checklist covering compatibility changes, checksums, MD5 deprecation, pg_upgrade statistics, COPY behavior, and managed rollout planning.

7 min readRead
ComparisonsAug 22, 2026

PostgreSQL Online Schema Change Options Compared

Compare PostgreSQL online schema change patterns for production apps: concurrent indexes, staged constraints, nullable columns, backfills, and maintenance windows.

8 min readRead
News & TrendsAug 20, 2026

PostgreSQL 17 JSON_TABLE: What App Teams Can Use It For

PostgreSQL 17 added SQL/JSON JSON_TABLE support. Learn where it helps managed PostgreSQL applications, where JSONB still needs careful modeling, and what to test before adopting it.

7 min readRead
ComparisonsAug 15, 2026

PostgreSQL Queue Options Compared: SKIP LOCKED, LISTEN/NOTIFY, and External Queues

A practical comparison of PostgreSQL-backed queue patterns, LISTEN/NOTIFY signaling, advisory locks, and when to use an external queue instead.

9 min readRead
Quick FixesAug 14, 2026

How to Fix PostgreSQL Could Not Determine Data Type of Parameter Errors

A practical guide to fixing PostgreSQL parameter type inference errors in prepared statements, ORMs, and query builders.

7 min readRead
News & TrendsAug 13, 2026

PostgreSQL 14 End of Life: What Managed PostgreSQL Teams Should Do Now

PostgreSQL 14 reaches its final scheduled release in November 2026. Here is how to plan a safe upgrade before support ends.

7 min readRead
ComparisonsAug 12, 2026

Managed PostgreSQL Instance Sizing: CPU, Memory, Storage, and Connections

A practical managed PostgreSQL instance sizing guide for choosing CPU, memory, storage, I/O, and connection capacity without overbuying too early.

10 min readRead
Quick FixesAug 11, 2026

How to Fix PostgreSQL Certificate Verify Failed Errors

A practical guide to fixing PostgreSQL TLS certificate verification failures without weakening production database security.

7 min readRead

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