And why weren’t all headers considered in the cache key to begin with? The key computation will never not be O(1). Only thing I can think of is too many cache

And why weren’t all headers considered in the cache key to begin with? The key computation will never not be O(1). Only thing I can think of is too many cache entries with the same cache values for the case where requests with different headers produce the same API response. Which could lead to a large cache.