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A comment on Rapid growth, lessons learned and improvements at Fly.io. Parent comment

Re:Rapid growth, lessons learned and improvements at Fly.io by snacktaster on Monday March 06, 2023 @03:54PM (#35047436)
I don't know the details of how Heroku implements their hosted postgres service, but I'm _guessing_ that it's just a bunch of PG servers running on EC2 instances. There's probably a lot of CPU stealing "noisy neighbors" going on. But yeah, I've also experienced Heroku's PG databases being dog-slow compared to RDS for the same workloads.
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Re:Rapid growth, lessons learned and improvements at Fly.io by mixmastamyk on Monday March 06, 2023 @05:55PM (#35048982)
They're probably using older or cheaper instance types. By not upgrading while charging the same or more over time, one can skim more profit.
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