vLLM v0.31.1rc0 Enhances Metrics with Cached Prompt Tokens by Tier

Core summary

One sentence to understand this update

vLLM's latest release candidate, v0.31.1rc0, introduces new metrics to expose cached prompt tokens organized by cache tier, providing deeper insights into memory usage.

Impact & opportunity

What this could mean

This improvement allows developers to better monitor and optimize the performance and memory efficiency of their LLM deployments on vLLM, particularly for prompt caching strategies.