Unverified50% confidenceFactExact time
Prefix caching is highly sensitive to the order of context concatenation; if dynamic content is inserted at the head of the message list with every request, the cache hit rate will plummet to zero.
1
Sources
50%
Confidence
Long-term
Relevance
9/27/2026
First Seen
Sources
Related Entities
Related Claims
Unverified缓存命中的前提是提示词内容保持稳定,若系统提示词中包含动态插入的时间戳、会话ID或随机内容则会造成缓存失效72% similarUnverifiedPrompt 缓存依赖于前缀的精确匹配,一旦技能定义的顺序或内容发生微小变化,缓存即失效70% similarUnverifiedOnce any minor change appears in the first half of a prompt — such as a dynamic timestamp, a user's name, or a real-time retrieval result — the entire cache prefix is invalidated.67% similarUnverifiedDynamically adding or removing tool definitions in each request will cause the prefix hash to change, invalidating the cache.66% similar
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