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10-11 June
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An Alternative Metadata System for Large Kubernetes Clusters - Yingcai Xue & Yixiang Chen, ByteDance
Tuesday June 10, 2025 11:00 - 11:30 HKT
Level 19 | Crystal Court II
For an event-driven distributed system like Kubernetes, where components communicate by synchronizing incremental data through the KubeAPIServer, the metadata system is the most critical component. The ETCD is the only official supported metadata system, but some projects like kine explored alternative metadata storage, but they're either not open-sourced or have performance issues.
This talk covers ByteDance's work on high-performance Kubernetes metadata systems. It summarizes ETCD's production issues, analyzes Kubernetes' metadata storage requirements and introduces how we solve it with kubebrain.
Actual results from large-scale environments (over 20K nodes, 1M pods over years) show that KubeBrain enhances cluster performance and stability.
This talk helps understand the challenges of metadata systems in large-scale clusters and provides insights into an open-source solution that has been practiced in ByteDance's production environment.
Speakers
avatar for Yixiang Chen

Yixiang Chen

Software Engineer, ByteDance
Yixiang is a seasoned cloud-native technologist with over 9 years of hands-on experience at ByteDance, where he has been at the forefront of large-scale Kubernetes ecosystem innovations. As a core contributor in cloud-native infrastructure, his expertise spans multiple domains including... Read More →
avatar for Yingcai Xue

Yingcai Xue

Software Engineer, ByteDance
- graduated from Zhejiang University with a master degree
Tuesday June 10, 2025 11:00 - 11:30 HKT
Level 19 | Crystal Court II
  Operations + Performance

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