By Nimrod Grinvald (@ngrinvald) If you're a frontend engineer, you've likely heard of GraphQL. It's a powerful tool for building APIs that can simplify frontend communication with the back-end. But when is it not the right choice? In this …

By Hirotaka Yamamoto (@ymmt2005) and Nimrod Grinvald (@ngrinvald) Step back in time with us to 1997. Two years from now, Marc Benioff will found Salesforce in a San Francisco apartment and declare “The End of Software.” Soon, his product w…

By Daichi Sakaue (@yokaze) Above all the effort of the community, Kubernetes is now ready to run with cgroup v2. We recently migrated our on-premises Kubernetes clusters to use cgroup v2 and discovered some key points to know. This blog po…

By Hirotaka Yamamoto (@ymmt2005) We are proud to announce a new MySQL operator named MOCO. MOCO manages MySQL clusters on Kubernetes that replicate data using GTID-based semi-synchronous replication. We will be migrating hundreds of MySQL …

By Toru Kobayashi (@koba04) This article will introduce how we've built @kintone/rest-api-client and its architecture.

By Yusuke Suzuki Placemat is our open-source software built to provide data center virtualization for CI automated testing along with technologies like QEMU/KVM virtual machines and Linux networking stacks. Setting up a CI environment for …

By UMEZAWA Takeshi We are building a large data center system using Kubernetes for various development teams in the same company. To monitor the system activities, we used to rely on Prometheus and Grafana. Recently, we revamped our monito…