3 ms·
wow. they have no (ie random) partitioning - it's just brute force. i hope their "Graph-based caching and storage systems" is coming along... :o) [edit: alth
by andrewcooke 17y ago
wow. they have no (ie random) partitioning - it's just brute force. i hope their "Graph-based caching and storage systems" is coming along... :o)
[edit: although, given the exponential growth they give and the factor of 4 headroom they have left, they're going to top out in about 1.5 years anyway]
- niels 17y agoYep, so basically one request can touch hundreds of servers. It's basically the opposite approach of Twitter. They aggregate the graphs on write.
- niels 17y agoWhich also is the reason you can only have 5000 friends on FB. If you had a million friends, you'd probably touch all their servers for one request.
- aaronblohowiak 17y agoWho is "They" in this case? Both a read and a write could be a "request", so I am having some trouble with the ambiguity of your last sentence. Thanks!
- niels 17y agoTwitter is they.