Sam cd247d5322 FEATURE: Roll out new search optimisations (#20364) ... - Reduce duplication of terms in post index from unlimited to 6. This will result in reduced index size and reduced weighting for posts containing a huge amount of duplicate terms. (Eg: a post containing "sam sam sam sam sam sam sam sam", will index as "sam sam sam sam sam sam", only including the word up to 6 times.) This corrects a flaw where title weighting could be ignored. - Prioritize exact matches of words in titles. Our search always performs a prefix match. However we want to give special weight to exact title matches meaning that a search for "sum" will find topics such as "the sum of us" vs "summer in spring". - Pick up fixes to our search algorithm which are missing from old indexes. Specifically pick up the fix that indexes URLs properly. (`https://happy.com` was stemmed to `happi` in keywords and then was not searchable) see also: https://meta.discourse.org/t/refinements-to-search-being-tested-on-meta/254158 Indexing will take a while and work in batches, in the background.		2023-02-20 11:53:35 +11:00
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grouped_search_results.rb	FEATURE: Roll out new search optimisations (#20364)	2023-02-20 11:53:35 +11:00