Yao has worked at Twitter for a few years. She’s seen some things. She’s watched the growth of the cache service at Twitter explode from it being used by just one project to nearly a hundred projects using it. That’s many thousands of machines, many clusters, and many terabytes of RAM.
It’s clear from her talk that’s she’s coming from a place of real personal experience and that shines through in the practical way she explores issues. It’s a talk well worth watching.
As you might expect, Twitter has a lot of cache…”