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JuiceFS Enterprise 5.4 scales to 1 million clients on 100-billion-file systems

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JuiceFS has released Enterprise Edition 5.4, building on version 5.3's support for 100-billion-file environments to now handle up to one million simultaneously connected clients. To achieve this, the team co-located metadata nodes with network proxies and introduced connection reuse, so that one million client connections were managed through just 10 proxy nodes with roughly 400 physical backend connections to the metadata leader. Session management was also overhauled using indexed lookups, paginated queries, and batch cleanup of expired sessions to reduce overhead at scale. The release additionally brings cross-zone directory cloning, over 90% RDMA bandwidth utilization, up to 100% improvement in high-concurrency random-read performance, and more flexible caching strategies. These enhancements are aimed at large-scale AI and enterprise workloads that demand both massive metadata capacity and high concurrent access.

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