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We Deleted Tokio from Our Payment System and Cut Cloud Costs by $127,000

medium.com

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Re: We Deleted Tokio from Our Payment System and Cut Cloud Costs by $127,000

#6
The first thing I thought when I read this weird article was "wait...do they use their database synchronously in an asynchronous environment or am I missing something here?".

Most of us have been bitten by this naive mistake and I'm sure we have learned our lesson.