Ardent Performance Computing
debian
Agents Gone Awry on Postgres SBOMs: Start Over
If you were wondering, it’s the SBOM thing that I mentioned the other day. Postgres Extensions in containers with full inventory, provenance and attestation. I’ve been using plenty of AI Agents to put this together. This blog is a little scattered (apologies) but as they say, I didn’t have time to write a short letter. … Continue reading
Postgres Checkpoint Followup and Collation Visualization and Codex Luna
My previous article talked about the checkpoint happiness hint: You probably should not change the checkpoint_timeout setting from its default of 5 minutes. Checkpoint Followup Questions A good follow-up question was raised: can an HA replica can save you from downtime if you want to set a large checkpoint_timeout? It’s true that Postgres allows promoting … Continue reading
Collation Torture Test versus Debian
Collation torture test results are finally finished and uploaded for Debian. https://github.com/ardentperf/glibc-unicode-sorting The test did not pick up any changes in en_US sort order for either Bullseye or Bookworm 🎉️ Buster has glibc 2.28 so it shows lots of changes – as expected. The postgres wiki had claimed that Jessie(8) to Stretch(9) upgrades were safe. … Continue reading
Waiting for Postgres 18 – Docker Containers 34% Smaller
On February 25, 2025 Christoph Berg committed the patch: This closed Debian bug 927182 which had been opened in April 2019 by Laurence Parry. That bug had raised concerns over the significant size increase of adding LLVM as a requirement to support Postgres JIT functionality. Postgres supports packaging LLVM as a separate optional package without … Continue reading
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contact: schneider @ ardentperf.com
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