Best practice for KStemFilter query or index or both?

[eShard]

Good afternoon,
Here's my configuration for a text field.
I have the same configuration for index and query time.
Is this valid? 
What's the best practice for these query or index or both?
for synonyms; I've read conflicting reports on when to use it but I'm
currently changing it over to at indexing time only.

Thanks,

    <fieldType name="text_general" class="solr.TextField"
positionIncrementGap="100" autoGeneratePhraseQueries="true">
      <analyzer type="index">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.WordDelimiterFilterFactory"
                generateWordParts="1"
                generateNumberParts="1"
                catenateWords="0"
                catenateNumbers="0"
                catenateAll="0"
                preserveOriginal="1"
                />    
                <filter class="solr.StandardTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true" />
        
        <filter class="solr.LowerCaseFilterFactory"/>
                <filter class="solr.KStemFilterFactory" />
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.WordDelimiterFilterFactory"
                generateWordParts="1"
                generateNumberParts="1"
                catenateWords="0"
                catenateNumbers="0"
                catenateAll="0"
                preserveOriginal="1"
                />
                <filter class="solr.StandardTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true" />
        <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
ignoreCase="true" expand="true"/>
        <filter class="solr.LowerCaseFilterFactory"/>
                <filter class="solr.KStemFilterFactory" />              
      </analyzer>
      <analyzer type="select">
        <tokenizer class="solr.WhitespaceTokenizerFactory"/>
        <filter class="solr.WordDelimiterFilterFactory"
                generateWordParts="1"
                generateNumberParts="1"
                catenateWords="0"
                catenateNumbers="0"
                catenateAll="0"
                preserveOriginal="1"
                />
                <filter class="solr.StandardTokenizerFactory"/>
        <filter class="solr.StopFilterFactory" ignoreCase="true"
words="stopwords.txt" enablePositionIncrements="true" />
        <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
ignoreCase="true" expand="true"/>
        <filter class="solr.LowerCaseFilterFactory"/>
                <filter class="solr.KStemFilterFactory" />              
      </analyzer>
    </fieldType>





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