PostgreSQL License: Free to Use, Enterprise-Ready, and Cost-Efficient in Production

Do you need a PostgreSQL license for critical production use? Short answer: No. The open-source PostgreSQL database is free to download, use, modify, and distribute. There are no per-CPU, per-core, per-socket, or per-instance license fees. What you do need is a realistic plan for operational costs and expertise, the parts that make PostgreSQL truly production-grade. Many teams search for “PostgreSQL license” while budgeting for a new system or replacing proprietary databases. They want to know whether PostgreSQL is free like a hobby project or free like a platform you can trust with revenue. It is the latter - enterprise-reliable and secure, provided you run it with the right architecture and operational discipline.
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Scaling Up Wasn’t the Plan — Until It Was the Only Plan

If you have ever generated a complex report in Odoo only to watch the loading spinner for minutes, you are not alone. One of our customers ran into exactly this scenario: their system ground to a near stall whenever they tried to compile business reports. After a systematic investigation, we achieved a 93 % performance improvement, but only by choosing the last resort: upgrading the instance’s resources.
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NUMA, Linux, and PostgreSQL before libnuma Support

This entry in this series covers the general interaction of PostgreSQL and Linux on NUMA systems. This topic is complex and so there are cases of simplification. However this distills the general information about running PostgreSQL 17 and below (or Postgres 18 without libnuma support) on NUMA systems, with Linux as a reference point. By the end of this blog entry, you should both be able to run Postgres on a NUMA system and also understand why the libnuma support in PostgreSQL 18 is so important.
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