ByteDance Cloud Native
Mar 13, 2025 · Backend Development
Inside DeepSeek 3FS: Architecture of a High‑Performance Parallel File System
This article dissects DeepSeek's 3FS parallel file system, detailing its four‑component architecture, high‑throughput RDMA networking, metadata handling with FoundationDB, client access methods, chain replication (CRAQ), custom FFRecord format, and recovery mechanisms, offering a deep technical perspective for storage engineers.
RDMAchain replicationdistributed file system
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