How and why LinkedIn is becoming an engineering powerhouse

Always like to see people with a passion for getting the best out of what they do, however nerdy it may seem to some of us mere mortals.


Most LinkedIn (s lnkd) users know “People You May Know” as one of that site’s flagship features — an onmipresent reminder of other LinkedIn users with whom you probably want to connect. Keeping it up to date and accurate requires some heady data science and impressive engineering to keep data constantly flowing between the various LinkedIn applications. When Jay Kreps started there five years ago, this wasn’t exactly the case.

“I was here essentially before we had any infrastructure,” Kreps, now principal staff engineer, told me during a recent visit to LinkedIn’s Mountain View, Calif., campus. He actually came LinkedIn to do data science, thinking the company would have some of the best data around, but it turned out the company had an infrastructure problem that needed his attention instead.

How big? The version of People You May Know in place then was running on a single Oracle (s orcl) database…

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