The ArmorDB Blog
PostgreSQL guides for builders who ship.
Practical deep dives on managed PostgreSQL, database security, cloud pricing, PgBouncer, and the operational choices that help products rank, scale, and stay reliable.
PostgreSQL 18 Virtual Generated Columns: What Changed and When to Use Them
PostgreSQL 18 makes virtual generated columns the default. Learn how virtual and stored generated columns differ, what to test, and how to write safer migrations.
PostgreSQL High Availability: Failover, Replication, and Backups Compared
A practical comparison of PostgreSQL high-availability building blocks, from streaming replicas and failover to PITR backups and logical replication.
Fix PostgreSQL: Remaining Connection Slots Are Reserved
A practical quick fix for PostgreSQL's reserved connection slot error, including what to check, how to recover safely, and when to add pooling.
PostgreSQL WAL Archiving and PITR: A Practical Managed Database Guide
A deep dive into PostgreSQL WAL archiving, point-in-time recovery, checkpoints, and the backup questions managed PostgreSQL users should ask before production incidents.
PostgreSQL 18 Skip Scan: What It Changes for Multicolumn Indexes
PostgreSQL 18 can use skip scan lookups on multicolumn B-tree indexes in more cases. Here is what to test before changing production indexes.
PostgreSQL Extensions for SaaS: Which Ones Belong in Your First Stack?
A practical comparison of PostgreSQL extensions for SaaS teams, including observability, search, case-insensitive text, vector search, and geospatial workloads.
How to Fix PostgreSQL `deadlock detected` Errors (SQLSTATE 40P01)
A practical guide to diagnosing PostgreSQL deadlock detected errors, reducing lock cycles, and deciding when a transaction retry is safe.
PostgreSQL 18 Asynchronous I/O: What It Changes for Managed Databases
PostgreSQL 18 adds asynchronous I/O for scans and vacuum work. Here is what the change means, when it helps, and how managed PostgreSQL teams should evaluate it.
PostgreSQL Partitioning vs Indexing vs Read Replicas: Which Scaling Move Fits?
A practical comparison of PostgreSQL partitioning, indexing, and read replicas for teams deciding how to scale reads, writes, maintenance, and cost.
How to Fix PostgreSQL Serialization Failure Retry Errors
Learn why PostgreSQL raises serialization failure errors, when to retry transactions, and how to make retries safe with managed PostgreSQL and connection pooling.
PostgreSQL Row-Level Security for SaaS Tenancy: A Practical Deep Dive
A practical guide to using PostgreSQL row-level security for multi-tenant SaaS applications, including policy design, connection pooling, migrations, and failure modes.
PostgreSQL 19 Beta 1: What Managed PostgreSQL Teams Should Test Now
PostgreSQL 19 Beta 1 previews changes in maintenance, replication, security, and observability that managed PostgreSQL teams should evaluate before the final release.
PostgreSQL JSONB vs Relational Tables: How to Choose the Right Schema
A practical comparison of PostgreSQL JSONB, relational columns, and hybrid schemas for SaaS teams deciding what to model, index, and constrain.
How to Fix PostgreSQL `no pg_hba.conf entry for host` Errors
A practical guide to diagnosing PostgreSQL pg_hba.conf host, user, database, address, and SSL mismatches without weakening database access rules.
PostgreSQL 18 Enables Data Checksums by Default: What Changes in Production
PostgreSQL 18 enables data checksums by default for new clusters. Here is what that means for corruption detection, upgrades, managed PostgreSQL, and rollout planning.
Managed PostgreSQL Pricing: What to Compare Before You Choose
A practical comparison guide to managed PostgreSQL pricing, including compute, storage, backups, high availability, networking, and operational costs.
How to Fix PostgreSQL `relation does not exist` Errors
A practical quick-fix guide for PostgreSQL undefined-table errors caused by search_path drift, schema-qualified names, migrations, and case-sensitive identifiers.
How to Fix PgBouncer Prepared Statement Errors in PostgreSQL
A practical quick-fix guide for PostgreSQL errors like `prepared statement does not exist` when applications use PgBouncer transaction pooling.
PostgreSQL Autovacuum Tuning for High-Write Workloads
A deep practical guide to tuning PostgreSQL autovacuum so busy tables stay healthy, bloat stays under control, and emergency VACUUM FULL stops being the default reaction.
PostgreSQL 18 Adds OAuth 2.0 Authentication for Database Logins
Why PostgreSQL 18’s new OAuth 2.0 authentication path matters for managed PostgreSQL teams that want less password sprawl and a cleaner service identity story.
PostgreSQL Migration Strategies: pg_dump vs Logical Replication vs pg_upgrade
A practical comparison of the three PostgreSQL migration patterns that matter most, with guidance on downtime, cutover risk, and when each approach fits managed PostgreSQL.
How to Fix PostgreSQL `password authentication failed for user` Errors
A practical quick-fix guide for PostgreSQL login failures caused by wrong secrets, broken connection URLs, old clients, and pooler mismatches.
PostgreSQL 18’s uuidv7() Makes Time-Ordered UUIDs a Better Default
Why PostgreSQL 18’s new uuidv7() function matters for primary keys, B-tree locality, and managed PostgreSQL rollout decisions.
PgBouncer Pooling Modes: Session, Transaction, and Statement
A practical comparison of PgBouncer pooling modes, what each one preserves, and which mode fits most managed PostgreSQL workloads.
How to Fix PostgreSQL `too many clients already` Errors
A short fix guide for connection-limit errors, idle sessions, and when to add PgBouncer instead of raising max_connections.
Managed PostgreSQL vs Self-Hosted PostgreSQL: Which Should You Choose?
A practical SEO guide comparing managed PostgreSQL and self-hosted PostgreSQL across cost, control, security, backups, and migration tradeoffs.
How to Fix SSLmode Errors in a PostgreSQL Connection String
A fast fix guide for PostgreSQL SSLmode mistakes, certificate mismatches, and connection string errors that break app startup.
PostgreSQL 18: What the New Release Means for Managed PostgreSQL Teams
A current release-driven guide on what PostgreSQL 18 changes for managed PostgreSQL planning, compatibility, and upgrade strategy.
PostgreSQL 17: Performance Gains and New Features
Deep dive into why we chose Postgres 17 as our default and how it impacts your application performance.
The Zero Cloud Tax Philosophy
Why we believe managed databases shouldn't cost a fortune and how we optimize for efficiency.
Securing PostgreSQL with Mutual TLS
A technical guide on how ArmorDB enforces mTLS for all connections and why it matters for your data security.
PgBouncer and PostgreSQL Connection Pooling
Learn why PostgreSQL connection pooling matters, how PgBouncer helps production apps, and when teams should tune pool sizes before scaling the database.
PostgreSQL Backups and Restore Strategy
A practical guide to PostgreSQL backups, restore testing, retention, and why a backup only matters when recovery is predictable.
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