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Serve thousands of per-customer LoRA adapters on one base 8B, sharing KV cache where you can.

Each customer has their own LoRA on a shared 8B. The S-LoRA-style answer keeps one base in memory, pages adapters in and out, and tags every KV block with an adapter ID so reuse never crosses tenants.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

Each customer has their own LoRA on a shared 8B. The S-LoRA-style answer keeps one base in memory, pages adapters in and out, and tags every KV block with an adapter ID so reuse never crosses tenants.

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