Sandbox at 160 nodes: naive image pulling saturates the network, 3FS dedup praised but reuse limits challenged
sloppenheimer · x · 2026-09-24
Reacting to a sandbox implementation claiming support for 1,600 containers / 800 VMs across 160 nodes, the author argues naive and eager image pulling would completely saturate the network at that scale. The implementation — using 3FS plus dependency deduplication and layering to minimize image counts — is likely the leanest sandbox claimed so far. But the author argues the limited image-reuse status quo needs challenging, via new filesystem overlays or other mechanisms.
Related event: DeepSeek's Elastic Compute Paper: 3FS-Powered Sandbox Scales to 160 Nodes(2 posts)→
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