Evidence record 5148 · automatically gathered

Crab: A Semantics-Aware Checkpoint/Restore Runtime for Agent Sandboxes

Autonomous agents act through sandboxed containers and microVMs whose state spans filesystems, processes, and runtime artifacts. Checkpoint and restore (C/R) of this state is needed for fault tolerance, spot execution, RL rollout branching, and safe rollback-yet existing approaches fall into two extremes: application-level recovery preserves chat history but misses OS-side effects, while full per-turn checkpointing is correct but too expensive under dense co-location. The root cause is an agent-

Record details

Published: 30 April 2026
Source: arXiv
Category: Research
Topics: Agents & autonomy
Retrieved: 14 July 2026

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ethics.ai (30 April 2026), “Crab: A Semantics-Aware Checkpoint/Restore Runtime for Agent Sandboxes,” evidence record 5148, https://ethics.ai/record/5148 (originally published by arXiv).

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