Threshold frequency is not working in spell check in Solr -

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i stuck in middle of solr. need most popular words w.r.t query. have used phonetic filter on both index , query here problem is giving too many terms. need few terms specific query.

schema.xml

<fieldtype name="textspell" class="solr.textfield" positionincrementgap="100">        <analyzer type="index">                  <filter class="solr.trimfilterfactory"/>         <filter class="solr.lowercasefilterfactory"/>         <tokenizer class="solr.keywordtokenizerfactory"/>         <filter class="solr.phoneticfilterfactory" encoder="doublemetaphone" inject="true"/>         <filter class="solr.removeduplicatestokenfilterfactory"/>     </analyzer>     <analyzer type="query">         <filter class="solr.trimfilterfactory"/>         <tokenizer class="solr.keywordtokenizerfactory"/>         <filter class="solr.lowercasefilterfactory"/>         <filter class="solr.phoneticfilterfactory" encoder="doublemetaphone" inject="true"/>     </analyzer> </fieldtype>

solrconfig.xml

    <lst name="spellchecker">       <str name="name">default</str>       <str name="field">term</str>       <str name="classname">solr.directsolrspellchecker</str>       <str name="distancemeasure">internal</str>       <float name="accuracy">0.5</float>       <int name="maxedits">2</int>       <int name="minprefix">1</int>       <int name="maxinspections">5</int>       <int name="minquerylength">4</int>       <float name="maxqueryfrequency">0.90</float>       <float name="thresholdtokenfrequency">0.90</float>     </lst>  <requesthandler name="/spell" class="solr.searchhandler" startup="lazy">     <lst name="defaults">       <str name="df">term</str>       <str name="spellcheck.dictionary">default</str>       <str name="spellcheck">on</str>       <str name="spellcheck.extendedresults">true</str>              <str name="spellcheck.count">10</str>       <str name="spellcheck.alternativetermcount">10</str>       <str name="spellcheck.maxresultsforsuggest">10</str>       <str name="spellcheck.collate">true</str>       <str name="spellcheck.collateextendedresults">true</str>         <str name="spellcheck.maxcollationtries">10</str>       <str name="spellcheck.maxcollations">5</str>       <str name="spellcheck.onlymorepopular">true</str>     </lst>     <arr name="last-components">       <str>spellcheck</str>     </arr>   </requesthandler>

i using thresholdtokenfrequency not working have tried varying value of threshold between 0 , 1. gives same result. ?


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