Programming a NOW

INKTOMI

This is the bad part...

HotBot has 80-1000 threads per node

Communication is harder than shared-memory

Difficult to monitor/debug/tune whole cluster

Solution: Sequetial Interface

Hide nastiness inside simple interface (like HTTP)

Example: parallel search is just a library

Inktomi strategy:

• We build the nasty parts
• Users/partners program as usual