https://dave.recoil.org/blog.html Dave Scott works on Docker, bringing the benefits of containers to developers everywhere. en https://dave.recoil.org/splats/ https://dave.recoil.org/splats/ Wed, 01 Jan 2026 00:00:00 +0000 An interactive 3D Gaussian splat viewer showing a scene reconstructed from a photo using Apple's ml-sharp library. https://dave.recoil.org/unikernels/ https://dave.recoil.org/unikernels/ Wed, 01 Apr 2025 00:00:00 +0000 Thoughts on Unikernels, after our 2013 paper ("Unikernels: Library Operating Systems for the Cloud") won one of the Influential Paper Awards at the 2025 ASPLOS conference. https://dave.recoil.org/disk-compact/ https://dave.recoil.org/disk-compact/ Sun, 16 Mar 2025 00:00:00 +0000 A deep dive into where data is stored in Docker containers, and how we could reclaim space using an OCaml qcow2 disk defragmentor https://dave.recoil.org/switch/ https://dave.recoil.org/switch/ Sun, 09 Mar 2025 00:00:00 +0000 A deep dive into the architecture of network switches, featuring an interactive 3D visualization of CLOS networks, inspired by Sandy Fraser's approach to designing large-scale switches. https://www.docker.com/blog/unleash-docker-desktop-4-22-rapid-development/ https://www.docker.com/blog/unleash-docker-desktop-4-22-rapid-development/ Thu, 17 Aug 2023 00:00:00 +0000 Improved networking performance, faster builds, lower memory usage and a "Resource Saver" mode. https://www.docker.com/blog/docker-desktop-4-21/ https://www.docker.com/blog/docker-desktop-4-21/ Thu, 06 Jul 2023 00:00:00 +0000 Support for Wasm, better support for Rust, startup is much faster and there's a new UI to show builds. https://www.docker.com/blog/dockershim-not-needed-docker-desktop-with-kubernetes-1-24/ https://www.docker.com/blog/dockershim-not-needed-docker-desktop-with-kubernetes-1-24/ Mon, 18 Apr 2022 00:00:00 +0000 Lots of people have been asking us about the removal of a component called "dockershim" from upstream Kubernetes and how this will affect Docker Desktop. It won't affect anyone at all. https://www.docker.com/blog/how-docker-desktop-networking-works-under-the-hood/ https://www.docker.com/blog/how-docker-desktop-networking-works-under-the-hood/ Tue, 25 Jan 2022 00:00:00 +0000 All about the Unikernel-inspired userspace networking stack that connects containers to the outside world in Docker Desktop. https://appleinsider.com/articles/20/11/29/early-docker-build-demonstrates-incoming-apple-silicon-support https://appleinsider.com/articles/20/11/29/early-docker-build-demonstrates-incoming-apple-silicon-support Sun, 29 Nov 2020 00:00:00 +0000 An appleinsider post by Malcolm Owen based on my screenshot of an early Docker Desktop build running on Apple Silicon. https://www.docker.com/blog/capturing-logs-in-docker-desktop/ https://www.docker.com/blog/capturing-logs-in-docker-desktop/ Fri, 17 Jan 2020 00:00:00 +0000 A deep-dive into how the logging system works, joint work with Magnus Skjegstad https://www.docker.com/blog/new-filesharing-implementation-in-docker-desktop-windows/ https://www.docker.com/blog/new-filesharing-implementation-in-docker-desktop-windows/ Thu, 12 Dec 2019 00:00:00 +0000 We replaced a complex SMB/CIFS based implementation with a FUSE+VSOCK-based one, to increase reliability and performance. https://www.docker.com/blog/addressing-time-drift-in-docker-desktop-for-mac/ https://www.docker.com/blog/addressing-time-drift-in-docker-desktop-for-mac/ Mon, 25 Feb 2019 00:00:00 +0000 Discusses time sync between the LinuxKit VM and the host. https://dave.recoil.org/blogs/docker-for-mac-disk-space.html https://dave.recoil.org/blogs/docker-for-mac-disk-space.html Tue, 28 Nov 2017 00:00:00 +0000 Tips for reducing disk space usage in Docker for Mac by understanding and using TRIM. https://support.apple.com/en-us/103424 https://support.apple.com/en-us/103424 Tue, 20 Sep 2016 00:00:00 +0000 Apple's release notes for macOS Sierra 10.12, which includes a fix for CVE-2016-4739 affecting mDNSResponder, joint work with Magnus Skjegstad and Anil Madhavapeddy. https://opam.ocaml.org/blog/opam-in-xenserver/ https://opam.ocaml.org/blog/opam-in-xenserver/ Wed, 18 Feb 2015 00:00:00 +0000 Describing how XenServer development benefits from the new OCaml package manager, OPAM. https://xapi-project.github.io/getting-started/architecture.html https://xapi-project.github.io/getting-started/architecture.html Tue, 02 Dec 2014 00:00:00 +0000 A high-level overview of the "xapi toolstack" which supports clusters, shared storage with live migration, HA etc. https://mirage.io/blog/introducing-irmin-in-xenstore https://mirage.io/blog/introducing-irmin-in-xenstore Mon, 21 Jul 2014 00:00:00 +0000 Xenstore is a critical component needed by hosts running the Xen hypervisor. We can use Irmin to add extra fault-tolerance. https://wiki.xenproject.org/index.php?title=Ceph_and_libvirt_technology_preview https://wiki.xenproject.org/index.php?title=Ceph_and_libvirt_technology_preview Sun, 07 Jul 2013 00:00:00 +0000 Experimental packages which added support for libvirt and Ceph to XenServer. https://mirage.io/blog/xenstore-stub-domain https://mirage.io/blog/xenstore-stub-domain Wed, 12 Sep 2012 00:00:00 +0000 Using MirageOS to harden a critical service called "xenstore", required by the Xen hypervisor.