Solr Suggest组件的使用 - mmaa's blog - ITeye技术网站
使用suggest的原因，最主要就是相比于search速度快，In general, we need the autosuggest feature to satisfy two main requirements:
■ It must be fast; there are few things that are more annoying than a clunky type- ahead solution that cannot keep up with users as they type. The Suggester must be able to update the suggestions as the user types each character, so millisec- onds matter.
■ It should return ranked suggestions ordered by term frequency, as there is little benefit to suggesting rare terms that occur in only a few documents in your index, especially when the user has typed only a few characters.
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