- They optimized image requests from involving 10 disk IOs to just 1.
- Scribe sounds interesting, a fault-tolerant read-write system. (used to handle syslog flood)
- You need to "operate in RAM speeds" for most internet interactions today.
- They have neato memcache tricks. "It really is the core of the site."
- The "multiget hole" is an interesting problem. Backup and listen when he gets to it.
- "Avoid shared architectures when possible."
- "Don't put data in a central database."
- Move fast; don't be afraid.
Wednesday, October 21, 2009
Facebook Scaling Talk by Rothschild
I watched a presentation by Jeff Rothschild about how they scaled Facebook up to its current preposterous size. There's a lot of interesting stuff about optimizing things in here and it was definitely worth putting on in the background when I was rotating passwords the other day. I stopped it right as we was about to take Q & A, at the middle of the video. Here are the things that were interesting enough that I jotted something down:
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