Performance Spike: caching? db?

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Requests are quite slow.

What does uniswap do to improve performance? Cache the results? https://github.com/Uniswap/routing-api

AWS Lambda + Middy middleware
I see some references to Dynamo. GCP has Spanner
Looks like they might be caching some pool data as well as caching some api routes.

Libs used:

• https://github.com/middyjs/middy - "The stylish Node.js middleware engine for AWS Lambda"
• https://www.npmjs.com/package/node-cache - internal node caching
• https://github.com/isaacs/node-lru-cache - cache data structure that deletes least recently used items
  • might just be using this for caching sessions

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There are also some areas where we have N+1 calls to get USDC prices and/or conversion rates. Would be helpful to have this all in one call.
Also a scenario where we make a 2nd quote call when we first have an exactOut quote. The return values for exactOut have correct quote value, but the gas estimate quote is wrong I think