Cloud Notes

Osaka Data Center Expansion: What 5,000+ New Racks Mean for Our Customers

Last month we completed Phase 2 of our Osaka facility, adding 5,000 racks, 120MW of power capacity, and direct fibre links to Tokyo. In this post we break down the architecture decisions, the sustainability choices, and what lower-latency redundancy means for your workloads.

How We Reduced KV Store Latency by 40% with eBPF

A deep dive into kernel-bypass networking, custom BPF maps, and the profiling tools that pointed us to the bottleneck.

SOC 2 Type II: A Look Inside Our Compliance Journey

From audit scope to evidence collection, here's how we prepared for and passed our first Type II examination with zero exceptions.

Object Storage Now Supports S3-Compatible Object Lock

WORM retention, legal-hold workflows, and compliance-ready buckets are now available in both Tokyo and Osaka regions.

Building a Multi-Region Load Balancer with Anycast

Why we moved from DNS failover to BGP anycast, the routing tables we had to rewrite, and what it taught us about resilience.

Kumori Cloud Sponsors Tokyo University Hackathon

We provided cloud credits, mentors, and a bare-metal cluster for 200 students building over 48 hours. Here are the standout projects.

Reaching 80% Renewable Energy Across Both Data Centers

Our PPA journey, on-site solar, and the carbon-intensity dashboards we built to keep ourselves honest.