3 ms·

He is using known algorithms. He describes them here: https://news.ycombinator.com/item?id=6780342 https://news.ycombinator.com/item?id=6780342.

• pashields 13y ago
  see Aphyr's comments here: https://groups.google.com/d/msg/redis-db/Oazt2k7Lzz4/q9YDD7Da9ZkJ https://groups.google.com/d/msg/redis-db/Oazt2k7Lzz4/q9YDD7D...
  • pfraze 13y ago
    Thanks, I hadn't seen this