solr/contrib/ltr/src/test-files/solr/collection1/conf/solrconfig-ltr.xml

<?xml version="1.0" ?>
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 license agreements. See the NOTICE file distributed with this work for additional
 information regarding copyright ownership. The ASF licenses this file to
 You under the Apache License, Version 2.0 (the "License"); you may not use
 this file except in compliance with the License. You may obtain a copy of
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<config>
    <luceneMatchVersion>${tests.luceneMatchVersion:LATEST}</luceneMatchVersion>
 <dataDir>${solr.data.dir:}</dataDir>
 <directoryFactory name="DirectoryFactory"
  class="${solr.directoryFactory:solr.RAMDirectoryFactory}" />

 <!-- for use with the DefaultWrapperModel class -->
 <lib dir="${solr.solr.home:.}/models" />

 <schemaFactory class="ClassicIndexSchemaFactory" />

 <requestDispatcher>
   <requestParsers enableStreamBody="true" />
 </requestDispatcher>

 <!-- Query parser used to rerank top docs with a provided model -->
 <queryParser name="ltr"
  class="org.apache.solr.ltr.search.LTRQParserPlugin" />

 <query>
  <filterCache size="4096"
   initialSize="2048" autowarmCount="0" />
  <cache name="QUERY_DOC_FV" size="4096"
   initialSize="2048" autowarmCount="4096" regenerator="solr.search.NoOpRegenerator" />
 </query>

 <!-- add a transformer that will encode the document features in the response.
  For each document the transformer will add the features as an extra field
  in the response. The name of the field we will be the the name of the transformer
  enclosed between brackets (in this case [fv]). In order to get the feature
  vector you will have to specify that you want the field (e.g., fl="*,[fv]) -->
 <transformer name="fv" class="org.apache.solr.ltr.response.transform.LTRFeatureLoggerTransformerFactory">
   <str name="defaultFormat">${solr.ltr.transformer.fv.defaultFormat:dense}</str>
   <str name="fvCacheName">QUERY_DOC_FV</str>
 </transformer>

 <!-- add a transformer that will encode the model the interleaving process chose the search result from.
  For each document the transformer will add an extra field in the response with the model picked. 
  The name of the field will be the the name of the transformer
  enclosed between brackets (in this case [interleaving]). 
  In order to get the model chosen for the search result
  you will have to specify that you want the field (e.g., fl="*,[interleaving]) -->
 <transformer name="interleaving" class="org.apache.solr.ltr.response.transform.LTRInterleavingTransformerFactory">
 </transformer>

 <updateHandler class="solr.DirectUpdateHandler2">
  <autoCommit>
   <maxTime>15000</maxTime>
   <openSearcher>false</openSearcher>
  </autoCommit>
  <autoSoftCommit>
   <maxTime>1000</maxTime>
  </autoSoftCommit>
  <updateLog>
   <str name="dir">${solr.data.dir:}</str>
  </updateLog>
 </updateHandler>

 <requestHandler name="/update" class="solr.UpdateRequestHandler" />
 <!-- Query request handler managing models and features -->
 <requestHandler name="/query" class="solr.SearchHandler">
  <lst name="defaults">
   <str name="echoParams">explicit</str>
   <str name="wt">json</str>
   <str name="indent">true</str>
   <str name="df">id</str>
  </lst>
 </requestHandler>

</config>