CozySummit Virtual 2025
as the organisers put it
Virtual Event - CozySummit Virtual 2025 will expand access to real-world cloud-building expertise by offering a fully virtual, globall...
who it's for
platform engineers, kubernetes operators, storage engineers, site reliability engineers, cloud architects, open source maintainers, devops engineers
topics
multi-AZ Kubernetes deployments; cross-DC replication and failover; kubernetes-native cloud stacks; Cozystack operator and API; LINSTOR with DRBD replication; SeaweedFS enterprise S3 features; SSE-KMS and SSE-C encryption; object lock and versioning; S3 API proxy direct data path; Spin runtime on Talos (SpinKube); ARM64 migration on Graviton; replicated PVCs and RWX storage
| title | author | length |
|---|---|---|
| Opening/Intro | Andrei Kvapil | 03m |
Opening remarks announce the first Cozy Summit as a forum for real-world cloud native practice, promising concrete accounts of what worked and what failed when… | ||
| How we build a multi-AZ cloud in Switzerland | Matthieu Robin | 32m |
Hidora replaces Jelastic with a Kubernetes-based stack (Kistack / Cozystack) plus Talos and LinStore for storage, implements real-time cross-DC replication and… | ||
| Home Lab to the Moon and Back | Kingdon Patrick Barrett | 30m |
Home lab CozyStack work focuses on measuring and cutting waste heat by powering down x86 nodes, moving HA workloads into WebAssembly bundles, and testing ARM64… | ||
| Extensibility without chaos: lessons from building Cozystack | Timofei Larkin | 31m |
Cozystack tightens its core instead of exposing endless knobs: an initial sprawling spec is reduced so the etcd deployment surface becomes four strings, and… | ||
| From AWS EC2 to Cozystack: A Beginner’s Roadmap to Cloud Independence | Kirti Goyal | 09m |
Begins with an AWS-first baseline and compares actual outcomes: Cozystack is a Kubernetes-native stack that provisions managed Kubernetes clusters, databases… | ||
| SeaweedFS S3 API in 2025: Enterprise‑grade security and control | Chris Lu | 24m |
SeaweedFS adds enterprise S3 features released mid‑2025: SSE‑S3, SSE‑KMS, SSE‑C with FIPS 140‑3 support and range requests via counter mode so partial reads… | ||
| Cozystack Storage Deep Dive | Moritz Wanzenböck | 32m |
Cozystack uses LINSTOR as the control plane and kernel‑level DRBD for block replication; demo runs on a 3-node cluster with 642 GB total, 162 GB used and ~60… | ||
| Closing Remarks | Andrei Kvapil | 05m |
Closing remarks announce links to the projects discussed and a request for GitHub stars, plus a posted calendar of community meetings where contributors can… | ||
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