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Technical guides

Operations field guide

Practical runbooks for high availability, backup and recovery, performance, security, and operating databases in the cloud.

Showing 1 - 12 of 45 guides
  1. PostgreSQL audit logging that a superuser can't quietly rewrite

    pgAudit records what a DBA did, but a superuser can switch it off or edit the files. How to close those gaps for NCA ECC 2-12, and where PGEE fits.

    Security

    8 min
  2. Zero-Downtime PostgreSQL Major Upgrade | Logical Replication

    Move PostgreSQL 14 to 16, 17 or 18 with seconds of downtime using logical replication: sequences, replica identity, WAL slots, Patroni, cutover and rollback.

    Operations

    9 min
  3. Live Dashboards vs. OLTP PostgreSQL: What GPU Acceleration Changes

    Dashboards slowing your OLTP PostgreSQL? What GPU acceleration in CYBERTEC PGEE GPU Edition changes, what stays the same, and when it is the wrong fit.

    PostgreSQL

    9 min
  4. Your test database is a copy of production, and that is the problem

    Production data ends up in dev and test databases. Here is how masking works in CYBERTEC PGEE, and where it fits in a release pipeline.

    PostgreSQL

    4 min
  5. 300 GB deleted in seconds: what GitLab's database incident still teaches us

    GitLab lost six hours of production database changes after an engineer deleted the primary PostgreSQL data directory. The failure chain shows what broke, what should have been done, and how pg_hardstorage can reduce the damage today.

    PostgreSQL, Backup & Recovery

    6 min
  6. Moving off SQL Server without rewriting the application

    Babelfish translates T-SQL over the TDS protocol so many SQL Server apps run on PostgreSQL unchanged. Where it works, where it stops, how to scope it.

    PostgreSQL

    3 min
  7. PostgreSQL data masking: keeping production data out of test copies

    How column-level masking in CYBERTEC PGEE keeps live customer data out of test and staging copies, and the limits worth knowing first.

    PostgreSQL

    5 min
  8. You cannot migrate a database estate you have never counted

    Why an accurate database inventory decides migration cost and timeline, and how Worlber's free PG-Inventory tool maps a PostgreSQL estate.

    PostgreSQL

    4 min
  9. PostgreSQL in production: what to settle after the proof of concept works

    A proof of concept with PostgreSQL is easy to pass. Five operational decisions decide whether the same database is still quiet two years later.

    PostgreSQL

    7 min
  10. PGEE vs SQL Server: where it fits, and where it does not

    How PGEE compares with SQL Server on licensing, encryption, high availability and Babelfish migration, and how to judge which databases in your estate fit.

    PostgreSQL

    4 min
  11. PostgreSQL aggregation pushdown, explained: a 200M-row group-by test

    How aggregation pushdown changes the plan behind a slow group-by join in PostgreSQL, what an internal 200M-row test measured, and when the gain does not apply.

    PostgreSQL

    4 min
  12. SQL Server 2025 vs PostgreSQL 17 on 2 vCPU: What This Benchmark Shows

    A HammerDB test found a large apparent gap. See the PostgreSQL tuning, measurement mismatch, and requirements for a fair rerun.

    4 min

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