How do you migrate to a new site search engine?
Biznology
JUNE 1, 2017
You use A/B or multivariate testing. Make a change to your search application so that every Google Site Search request has a new URL parameter (&engine=google), but route a small, random sample of searches through your new search engine (&engine=elastic). Install, test, and cut over. Standard IT stuff, right? You test them.
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