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Emulating RISC-V workers when the hardware goes away

Scaleway provide the RISC-V workers for OCaml CI, and they have been down for about a week with no real evidence that they’ll be back anytime soon. I can’t provision any new ones as they are “temporarily out of stock”.

03 Jun 2026

Marc Elvers

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Docker base image build rate

We are increasingly hitting the Docker Hub rate limits when pushing the Docker base images. This issue was previously identified in issue #267. However, this is now becoming critical as many more jobs are failing.

10 Oct 2025

Marc Elvers

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Database Testing in OCaml: From CRUD to Connection Pool Stress Testing

Building a comprehensive database testing suite for Chaufr: integration tests, transaction verification, migration rollback testing, connection pool stress tests, and performance benchmarks using Alcotest, Lwt, and Caqti

21 Sep 2025

Chukwuma Akunyili

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Modern PostgreSQL Connection Pooling in OCaml (2025): Caqti + Dream + Lwt

A practical, production-focused walkthrough of building a PostgreSQL connection pool in OCaml using Caqti_lwt_unix, with health checks, graceful shutdown, and Dream integration

24 Aug 2025

Chukwuma Akunyili

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Feature Parity Series: Compaction is Back!

Compaction is a feature that rearranges OCaml values in memory to free up space, which can then be returned to the operating system. In the…

11 Sep 2024

Tarides

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