credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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19 December 2025
credativ GmbH successfully certified according to ISO 27001 and ISO 9001
credativ GmbH, a specialized service provider for open source solutions, is solidifying its position as a strategic partner for security-critical IT infrastructures. Since December 15, the company has been officially certified according to the international standards ISO/IEC 27001:2022 (Information Security) and ISO 9001:2015 (Quality Management). Expertise from corporate structures – Agility as an independent company […]
15 December 2025
PostgreSQL 18 Asynchronous Disk I/O - Deep Dive Into Implementation
PostgreSQL 17 introduced streaming I/O – grouping multiple page reads into a single system call and using smarter posix_fadvise() hints. That alone gave up to ~30% faster sequential scans in some workloads, but it was still strictly synchronous: each backend process would issue a read and then sit there waiting for the kernel to return […]
10 December 2025
Renewing Our Commitment: credativ Returns to the Linux Foundation as a Silver Member
credativ is once again a Silver Member of the Linux Foundation. For us, this is not a symbolic gesture but a deliberate decision. For more than two decades, we have been working at the heart of open-source infrastructure – as a support center, as contributors, and as operators of critical services. Now that credativ […]
05 December 2025
A deeper look at old UUIDv4 vs new UUIDv7 in PostgreSQL 18
In the past there have been many discussions about using UUID as a primary key in PostgreSQL. For some applications, even a BIGINT column does not have sufficient range: it is a signed 8‑byte integer with range −9,223,372,036,854,775,808 to +9,223,372,036,854,775,807. Although these values look big enough, if we think about web services that collect billions […]
