Scalability and Growth
INKTOMI
Grow up or down
Australian Search Engine: 3 UltraSparcs
Incremental scalability
  • HotBot: 5 -> 10 -> 22 -> ?
  • Mixture of Ultras, RAID systems
  • Tune memory/CPU/disk independently
    • Growth Insurance
  • Don't try to guess the load, just ADAPT!
  • No ceiling