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AI-generatedZFS ARC cap configuration on Proxmox VE with undefined VM memory headroom
Proxmox VE hosts using ZFS for storage rely on the Adaptive Replacement Cache for read caching. By default ARC can consume a large share of host RAM, which creates tension with memory allocated to VMs and containers. The goal is to select an ARC limit that preserves guest memory availability while retaining ZFS read performance. There is no single documented