At least, i assumed this is what the user asked for when i read "which counts 
requests and sorts suggestions according to this count"

> No. The spellchecker and suggester only operate on the index (tf*idf) and
> do not account for user generated input which is what the user asks for.
> 
> You need to parse the query logs periodically index query strings and
> #occurences in the query logs as a float value (or use ExternalFileField)
> to obtain a popularity rate to sort on.
> 
> This new index can then be queried as auto suggest; n-grams are commonly
> used for this. This means both "redlands" and "reckless" are returned for
> the query "re". Sort it and you've got the desired result.
> 
> I would not recommend storing user input (the queries) and the actual
> documents in the same index, for many reasons.
> 
> > From http://wiki.apache.org/solr/Suggester :
> > 
> > spellcheck.onlyMorePopular=true - if this parameter is set to true then
> > the suggestions will be sorted by weight ("popularity") - the count
> > parameter will effectively limit this to a top-N list of best
> > suggestions. If this is set to false then suggestions are sorted
> > alphabetically.
> > 
> > --
> > View this message in context:
> > http://lucene.472066.n3.nabble.com/autocomplete-with-popularity-tp3352755
> > p 3352919.html Sent from the Solr - User mailing list archive at
> > Nabble.com.

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