Journal

Engineering notes from Switzerland

What we operate in Geneva, Gland and Lucerne: Kubernetes, GPU, data residency. Written by the Hidora team.

26 notes · 3 DCs · Geneva · Gland · Lucerne

Latest

12 Oct 2026

Payroll data and the CLOUD Act: what Swiss employers and software vendors need to know

Payroll hosted in Switzerland by a US provider is still in CLOUD Act scope. nFADP sensitive data, the Swiss-US DPF, six questions to ask and your options.

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14 Sept 2026

Cutting VM cloud costs in seven steps

Right-sizing over-provisioned VMs: seven steps with metrics, per-family thresholds, alerts and a quarterly review. Written for Swiss organisations.

8 Sept 2026

Swiss sovereign cloud: what actually separates it from AWS

Data residency and sovereignty are not the same thing. What the CLOUD Act changes, what nFADP requires, and how to evaluate a provider.

21 Aug 2026

Public cloud compliance in Switzerland in 2026

nFADP, FINMA, CLOUD Act and operational controls for regulated Swiss firms on public cloud. Not legal advice. Location of servers is not enough.

21 Aug 2026

Cloud and FINMA: what your provider must put in the contract

Circulars 2018/3 and 2023/1: clauses to demand from a cloud provider. Practical for Swiss financial institutions. Not legal advice. Hikube does not certify your FINMA file.

21 Aug 2026

Multi-datacenter Kubernetes HA in Switzerland: how it actually works

Replicated control plane, etcd quorum, storage in Geneva, Gland and Lucerne. RPO/RTO here are design targets, not published Hikube commitments.

21 Aug 2026

How managed Kubernetes limits outages

Preventing, diagnosing and recovering from a Kubernetes outage: probes, monitoring, replicas and PDBs. What comes back on its own, what depends on your configuration.

21 Aug 2026

nFADP and cloud in Switzerland: three duties your company must check

Processor contract, transfers, processing register: what Swiss nFADP requires of your cloud provider. Not legal advice. Hikube (Hidora SA) provides a DPA; it does not certify your file.

21 Aug 2026

Sovereign S3 object storage in Switzerland: why move off AWS

AWS S3 egress fees (May 2026), nFADP and the CLOUD Act: why Swiss S3 often costs more than the list price. Not a Hikube egress price. Not legal advice.

21 Aug 2026

Swiss sovereign cloud TCO vs AWS and Azure: a 36-month sketch

Compute, egress, support, FX and nFADP compliance: the five lines AWS and Azure calculators omit. A 36-month Swiss SME scenario, with its assumptions, formulas and sources published.

22 Jun 2026

Backup and Vault: compliance does not stop at compute

Backups and secrets in Switzerland, VMware DR, nFADP and FINMA. Not HDS.

30 May 2026

Egress fees: the line item your comparison is missing

What egress fees are, why vCPU grids miss them, and a Hikube invoice from the catalogue, line by line.

27 May 2026

Sharing GPUs across teams on Kubernetes: MIG, time-slicing, quotas

Splitting one card across teams: MIG, time-slicing, namespace quotas and a multi-tenant cluster. What each mode actually isolates.

13 May 2026

GPU FinOps on Kubernetes: autoscaling, quotas and cost per job

What an idle GPU actually costs: node group autoscaling, batch scheduling, quotas and FinOps tracking. The five mistakes that cap utilisation.

29 Apr 2026

Kubernetes CI/CD: modern DevOps pipelines

Tekton, Argo CD, GitOps and security pillars. Dated April 2026. No invented Kubernetes version numbers.

15 Apr 2026

Sovereign cloud migration: a complete 2026 guide

nFADP, hybrid strategy, TCO and failure modes for a Swiss sovereign move. ISO 27001 (SQS) on Hikube, not ISO 27018. Not legal advice.

1 Apr 2026

Tuning a GPU inference engine: batching, latency, metrics

Diagnosing slow inference in four metrics, tuning batching, setting up a monitoring stack. Worked example on a RAG chatbot.

17 Mar 2026

GPUs on Kubernetes: what to know before you start

What to know before attaching a GPU to a cluster: device plugin, GPU Operator, MIG or time-slicing sharing, quotas and observability.

6 Mar 2026

AI agents in production: how to choose the right GPU

H100, A100, L40S: selection criteria and cost per token as of March 2026. Industry TCO method, not a Hikube PUE. GPUs are in the 14-day trial.

4 Mar 2026

Kubernetes and GPUs: orchestration for ML/AI workloads

Native GPU integration, quotas and observability for ML on Kubernetes. Hikube: three Swiss DCs, GPUs in the 14-day trial.

23 Feb 2026

GPU as a Service: how to use GPUs in the cloud

How to use cloud GPUs with Hikube GPU as a Service: use cases, cost and a practical path. NVIDIA L40S, A100 and H100 are in the 14-day trial.

18 Feb 2026

Securing Kubernetes clusters: practical controls

API server, RBAC, Istio, Calico, runtime and scans toward a Zero Trust cluster. Hikube: Swiss operator, ISO 27001 (SQS). Not a pentest report.

9 Feb 2026

Why sovereign cloud is indispensable for Swiss companies

Swiss legal context, CLOUD Act, nFADP and a hybrid strategy. Hikube is operated by Hidora SA in Geneva, Gland and Lucerne. Not legal advice.

4 Feb 2026

3 security mistakes in public cloud, and how a sovereign cloud addresses them

How a Swiss sovereign cloud reduces public-cloud security mistakes: data control, nFADP/GDPR, and the CLOUD Act. Not legal advice.

26 Jan 2026

Why GPUs are crucial for machine learning

Massive parallelism, CUDA, VRAM and energy per training run versus CPUs. Context for Hikube NVIDIA GPUs in the 14-day trial.

12 Nov 2025

Kubernetes advantages for modern companies

Why Kubernetes became the default container orchestrator: scaling, declarative ops, HA and DevOps. Managed Kubernetes on Hikube: three Swiss DCs.

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