DeepSeek publishes DSec: elastic sandbox platform for industrial-scale agent training
The DeepSeek Elastic Compute (DSec) technical report, arXiv/HF 2609.22978 (~18 Sep, late-Sep coverage), describes a production platform with FnCall, container, microVM, and full-VM backends: ~160 nodes per unit, ~3 million sandboxes/day, 380,000+ concurrent, and 5,000+ creations/sec—co-designed with RL to mitigate reward hacking.