Viewing profile — andywarfield

Here's a really quick story on how i accidentally worked out this strategy by getting it wrong first. When I started at Amazon and was trying to convince the team that we should do…

oh shoot. good catch, thanks!

Getting things perfect is pretty hard: it basically required being able to see the future. There are still a bunch of examples where imperfect decisions end up being a really signi…

Thanks! We're pretty early in our use of HLLs within the system but are already managing to get some really cool data off of them. I'm excited to see where this all goes as we buil…