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Seems like it's also offset (e.g. Y starts above zero).

>... the final precipitous drop (on June 2) is the deployment of .NET Core 2.1! That is a 34% improvement ...

If so, that graph seems to be deliberately misleading.

It says "The Y axis is the latency (actual values omitted)". I, too, wish they had shared the actual values, though.

Its latency

In what? Bananas per second? No value on the axis means we don't know what _exactly_ is being measured, or have an idea about the overall state. They say 37% improvement but that's largely meaningless. 37% improvement of what?

If latency is 1 minute and they've shaved 22 seconds off (37%), neat. But it's still bad.

If anything, the deliberate omission of scale on that Y axis is really disturbing.

It's in milliseconds. I'm going to update the post and add that note, but omitting values was a business decision, sorry.