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A comment on Optimizing Your Web App 100x Is Like Adding 99 Servers. Parent comment

Re:Optimizing Your Web App 100x Is Like Adding 99 Servers by jimnotgym on Saturday November 21, 2020 @07:10AM (#25169269)
And that is the first universal truth in this whole thread.

Add tests to check that you have not inadvertently added a massive innefficiency with a simple change.

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