alt Hacker NewsThis solves the latency but not the overhead--you'll end up with a full pool of connections for each running instance of your application.
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SoftTalker • yesterday at 4:15 PM
If I'm implementing my own connection pool, I'll certainly make the number of connections configurable.
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How many running instances do you need though? e.g. Scala web frameworks should be able to do thousands of RPS on a single core without the application developer really trying to optimize anything, and I always hear that even Ruby, Python, etc. are also fast enough to be IO bound so you should just need 2 copies for redundancy, right? Then give each like 8-16 connections.