...or CloudFlare/CloudFront plus DynamoDB table with primary key of the first/last n-number of characters from the hash with potential secondary index for filte

...or CloudFlare/CloudFront plus DynamoDB table with primary key of the first/last n-number of characters from the hash with potential secondary index for filtering. Btw, indexing can be done cheeper with Google I think. There is also another way (probably better) and that is to use s3. 1tb can be stored for as little as $20 - the rest is endpoint caching. Luckily for all of us it is easier than ever to single-handedly scale to millions of users at minimal cost.