Three Shake Engages in Kubernetes Training at Japan Community Day Event

Three Shake to Lead Kubernetes Training at Japan Community Day

Three Shake, a tech company headquartered in Chuo-ku, Tokyo, is set to participate in the upcoming Japan Community Day on July 28, 2026, held at Pacifico Yokohama. The event will feature the company's engineers taking on the dual role of organizers and presenters for the Kubernetes Upstream Training in Japan, focusing on introducing participants to the rapidly evolving cloud-native technology landscape.

Overview of Japan Community Day

Japan Community Day aims to be an inclusive and engaging gathering for professionals interested in cloud-native technologies. Attendees will converge in a collaborative environment, facilitating cooperation, learning, and contribution to the cloud-native ecosystem. The event is crafted around multiple themes with various tracks designed to explore different aspects of cloud-native development and community activities.

Local communities will plan and manage the event, featuring meticulously selected sessions that are not open calls for submissions. Individuals with session ideas are encouraged to reach out to local community organizers for collaboration opportunities. Among the regional communities involved are:

- eBPF Japan Community
- Cloud Native Security Japan
- CNCJ SIG Upstream Training
- Cloud Native Platform Engineering (Japan)
- CNCJ SIG Sustainability
- Wasm Meetup Japan
- OpenTelemetry Meetup
- Container Runtime Meetup

Event Details

- Date: July 28, 2026
- Venue: Pacifico Yokohama, Minatomirai 1-1-1, Nishi Ward, Yokohama, Kanagawa 220-0012, Japan

Kubernetes Upstream Training Engagement

Organized by Daiki Hayakawa, a Software Engineer at Three Shake, this training session will introduce participants to the Kubernetes community, emphasizing how to get involved, various methods of contribution, and practical exercises in Japanese using the Kubernetes community’s official Slack and practice repository. Here are the details:

- Date: July 28, 2026, 9:00 - 12:00
- Link: Kubernetes Upstream Training Info

Presentation Highlights

Kohei Hayama, an SRE Consultant at Three Shake, will deliver a lightning talk titled: Containers Do Not Exist in the Kernel - How Tetragon Uses eBPF to Identify Containers. In this talk, he will explore how Tetragon determines which container a process belongs to at the moment an event occurs, despite the kernel’s lack of a container concept.

- Time: July 28, 2026, 14:00 - 14:15
- Location: 4th Floor, Rooms 411+412
- Link: Presentation Schedule

About Three Shake

Founded in 2015, Three Shake excels in providing SRE consulting services through its main product, Sreake. The company supports cloud-native technology adoption and operational processes tailored for sectors necessitating high technical expertise. In addition to consulting, Three Shake has launched products including Reckoner, a cloud-based data integration tool, as well as Relance for freelancer engineering talent matching and Securify, focusing on security services. Their mission is to help clients leverage the latest technologies like Google Cloud, AWS, Kubernetes, and MLOps for robust infrastructure and SRE practices.

For more details about Three Shake, visit their official website Three Shake.