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When serving an LLM, what memory grows with each request's length and limits how many requests fit at once?

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  1. The KV cache
  2. The tokenizer vocabulary
  3. The training dataset

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References

  1. Kwon et al., Efficient Memory Management for Large Language Model Serving with PagedAttention arxiv.org/abs/2309.06180 Checked 2026-10-11.
  2. Kwon et al., Efficient Memory Management for Large Language Model Serving with PagedAttention arxiv.org/abs/2309.06180 Checked 2026-10-11.
  3. Kwon et al., Efficient Memory Management for Large Language Model Serving with PagedAttention arxiv.org/abs/2309.06180 Checked 2026-10-11.

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