part 10 · Distributed Search
34 · Routing & Rescoring
Routing decides fan-out and creates hot shards. Rescoring pays for expensive logic only where it matters.
Can I ask fewer shards, and score fewer documents? Answered by Routing key hash, and a rescore window.
In this lab: Compare routing strategies, then set a rescore window and see what it promotes and what it misses.
loading mind map…
building the index…