solrconfig.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!--
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor 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 the License at

     http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-->

<!--
 This is a stripped down config file used for a simple example...
 It is *not* a good example to work from.
-->
<config>

  <!-- Controls what version of Lucene various components of Solr
       adhere to.  Generally, you want to use the latest version to
       get all bug fixes and improvements. It is highly recommended
       that you fully re-index after changing this setting as it can
       affect both how text is indexed and queried.
  -->
  <luceneMatchVersion>7.0.0</luceneMatchVersion>

  <lib dir="${solr.install.dir:../../../..}/contrib/analysis-extras/lib" />
  <lib dir="${solr.install.dir:../../../..}/contrib/analysis-extras/lucene-libs" />

  <directoryFactory name="DirectoryFactory"
                    class="${solr.directoryFactory:solr.NRTCachingDirectoryFactory}">
  </directoryFactory>

  <codecFactory class="solr.SchemaCodecFactory"/>

  <schemaFactory class="ClassicIndexSchemaFactory"/>


  <dataDir>${solr.blacklight-core.data.dir:}</dataDir>

  <requestDispatcher handleSelect="true" >
    <requestParsers enableRemoteStreaming="false" multipartUploadLimitInKB="2048" />
  </requestDispatcher>

  <requestHandler name="/analysis/field" startup="lazy" class="solr.FieldAnalysisRequestHandler" />

  <!-- config for the admin interface -->
  <admin>
    <defaultQuery>*:*</defaultQuery>
  </admin>

  <initParams path="/update/**">
   <lst name="defaults">
     <str name="update.chain">DocCentricVersioningOnDate</str>
   </lst>
 </initParams>

  <updateHandler class="solr.DirectUpdateHandler2">
    <autoCommit>
      <maxDocs>1000000</maxDocs>
      <maxTime>900000</maxTime>
      <openSearcher>true</openSearcher>
    </autoCommit>
    <updateLog>
      <str name="dir">${solr.ulog.dir:}</str>
    </updateLog>
  </updateHandler>

  <!-- SearchHandler

       http://wiki.apache.org/solr/SearchHandler

       For processing Search Queries, the primary Request Handler
       provided with Solr is "SearchHandler" It delegates to a sequent
       of SearchComponents (see below) and supports distributed
       queries across multiple shards
    -->
    <requestHandler name="/search" class="solr.SearchHandler" default="true">
    <!-- default values for query parameters can be specified, these
         will be overridden by parameters in the request
      -->
     <lst name="defaults">
       <str name="defType">edismax</str>
       <str name="echoParams">explicit</str>
       <str name="wt">json</str>
       <int name="rows">10</int>

       <str name="q.alt">*:*</str>
       <str name="mm">5&lt;-1 8&lt;75%</str>
       <str name="mm.autorelax">true</str>
       <str name="lowercaseOperators">false</str>

       <!-- this qf and pf are used by default, if not otherwise specified by
            client. The default blacklight_config will use these for the
            "keywords" search. See the author_qf/author_pf, title_qf, etc
            below, which the default blacklight_config will specify for
            those searches. You may also be interested in:
            http://wiki.apache.org/solr/LocalParams
       -->

       <str name="qf">
         alt_names_t^100000
         title_unstem_search^100000
         title_t^10000
         subject_unstem_search^750
         subject_t^500
         format^200
         format_t^200
         note_t^100
         availability_facet^50
         text^25
         id
       </str>
       <str name="pf">
         alt_names_t^100000
         title_t^10000
         subject_facet^1000
         format^200
         format_t^200
         note_t^100
         availability_facet^50
         text^25
       </str>
       <str name="title_qf">
         alt_names_t^100000
         title_t^10000
       </str>
       <str name="title_pf">
         alt_names_t^100000
         title_t^10000
       </str>
       <str name="subject_qf">
         subject_t^1000000
         subject_facet^1000000
       </str>
       <str name="subject_pf">
         subject_t^1000000
         subject_facet^1000000
       </str>

       <int name="ps">3</int>
       <float name="tie">0.01</float>

       <!-- NOT using marc_display because it is large and will slow things down for search results -->
       <str name="fl">
         *
         electronic_resource_display:[json]
       </str>

       <str name="facet">true</str>
       <str name="facet.mincount">1</str>
       <str name="facet.field">format</str>
       <str name="facet.field">subject_facet</str>
       <str name="facet.field">availability_facet</str>

       <str name="spellcheck">false</str>

     </lst>
    <!-- In addition to defaults, "appends" params can be specified
         to identify values which should be appended to the list of
         multi-val params from the query (or the existing "defaults").
      -->
    <!-- In this example, the param "fq=instock:true" would be appended to
         any query time fq params the user may specify, as a mechanism for
         partitioning the index, independent of any user selected filtering
         that may also be desired (perhaps as a result of faceted searching).

         NOTE: there is *absolutely* nothing a client can do to prevent these
         "appends" values from being used, so don't use this mechanism
         unless you are sure you always want it.
      -->
    <!--
       <lst name="appends">
         <str name="fq">inStock:true</str>
       </lst>
      -->
    <!-- "invariants" are a way of letting the Solr maintainer lock down
         the options available to Solr clients.  Any params values
         specified here are used regardless of what values may be specified
         in either the query, the "defaults", or the "appends" params.

         In this example, the facet.field and facet.query params would
         be fixed, limiting the facets clients can use.  Faceting is
         not turned on by default - but if the client does specify
         facet=true in the request, these are the only facets they
         will be able to see counts for; regardless of what other
         facet.field or facet.query params they may specify.

         NOTE: there is *absolutely* nothing a client can do to prevent these
         "invariants" values from being used, so don't use this mechanism
         unless you are sure you always want it.
      -->
    <!--
       <lst name="invariants">
         <str name="facet.field">cat</str>
         <str name="facet.field">manu_exact</str>
         <str name="facet.query">price:[* TO 500]</str>
         <str name="facet.query">price:[500 TO *]</str>
       </lst>
      -->
    <!-- If the default list of SearchComponents is not desired, that
         list can either be overridden completely, or components can be
         prepended or appended to the default list.  (see below)
      -->
    <!--
       <arr name="components">
         <str>nameOfCustomComponent1</str>
         <str>nameOfCustomComponent2</str>
       </arr>
      -->
    <arr name="last-components">
      <str>spellcheck</str>
    </arr>

  </requestHandler>


  <!-- for requests to get a single document; use id=666 instead of q=id:666 -->
  <requestHandler name="/document" class="solr.SearchHandler" >
    <lst name="defaults">
      <str name="echoParams">all</str>
      <str name="fl">* electronic_resource_display:[json]</str>
      <str name="rows">1</str>
    </lst>
  </requestHandler>

<!-- Spell Check

        The spell check component can return a list of alternative spelling
        suggestions.

        http://wiki.apache.org/solr/SpellCheckComponent
     -->
  <searchComponent name="spellcheck" class="solr.SpellCheckComponent">

    <str name="queryAnalyzerFieldType">textSpell</str>

    <!-- Multiple "Spell Checkers" can be declared and used by this
         component
      -->

    <!-- a spellchecker built from a field of the main index, and
         written to disk
      -->
    <lst name="spellchecker">
      <str name="name">default</str>
      <str name="field">spell</str>
      <str name="spellcheckIndexDir">./spell</str>
      <str name="buildOnOptimize">true</str>
    </lst>
    <lst name="spellchecker">
      <str name="name">author</str>
      <str name="field">author_spell</str>
      <str name="spellcheckIndexDir">./spell_author</str>
      <str name="accuracy">0.7</str>
      <str name="buildOnOptimize">true</str>
    </lst>
    <lst name="spellchecker">
      <str name="name">subject</str>
      <str name="field">subject_spell</str>
      <str name="spellcheckIndexDir">./spell_subject</str>
      <str name="accuracy">0.7</str>
      <str name="buildOnOptimize">true</str>
    </lst>
    <lst name="spellchecker">
      <str name="name">title</str>
      <str name="field">title_spell</str>
      <str name="spellcheckIndexDir">./spell_title</str>
      <str name="accuracy">0.7</str>
      <str name="buildOnOptimize">true</str>
    </lst>

    <!-- a spellchecker that uses a different distance measure -->
    <!--
       <lst name="spellchecker">
         <str name="name">jarowinkler</str>
         <str name="field">spell</str>
         <str name="distanceMeasure">
           org.apache.lucene.search.spell.JaroWinklerDistance
         </str>
         <str name="spellcheckIndexDir">spellcheckerJaro</str>
       </lst>
     -->

    <!-- a spellchecker that use an alternate comparator

         comparatorClass be one of:
          1. score (default)
          2. freq (Frequency first, then score)
          3. A fully qualified class name
      -->
    <!--
       <lst name="spellchecker">
         <str name="name">freq</str>
         <str name="field">lowerfilt</str>
         <str name="spellcheckIndexDir">spellcheckerFreq</str>
         <str name="comparatorClass">freq</str>
         <str name="buildOnCommit">true</str>
      -->

    <!-- A spellchecker that reads the list of words from a file -->
    <!--
       <lst name="spellchecker">
         <str name="classname">solr.FileBasedSpellChecker</str>
         <str name="name">file</str>
         <str name="sourceLocation">spellings.txt</str>
         <str name="characterEncoding">UTF-8</str>
         <str name="spellcheckIndexDir">spellcheckerFile</str>
       </lst>
      -->
  </searchComponent>

  <searchComponent name="suggest" class="solr.SuggestComponent">
    <lst name="suggester">
      <str name="name">mySuggester</str>
      <str name="lookupImpl">FuzzyLookupFactory</str>
      <str name="suggestAnalyzerFieldType">textSuggest</str>
      <str name="buildOnCommit">true</str>
      <str name="field">suggest</str>
    </lst>
  </searchComponent>

  <requestHandler name="/suggest" class="solr.SearchHandler" startup="lazy">
    <lst name="defaults">
      <str name="suggest">true</str>
      <str name="suggest.count">5</str>
      <str name="suggest.dictionary">mySuggester</str>
    </lst>
    <arr name="components">
      <str>suggest</str>
    </arr>
  </requestHandler>
  <query>
    <filterCache class="solr.CaffeineCache"
                 size="${filterCacheSize:2048}"
                 initialSize="${filterCacheInitialSize:2048}"
                 autowarmCount="256"/>


    <queryResultCache class="solr.CaffeineCache"
                      size="${queryResultCacheSize:2048}"
                      initialSize="${queryResultCacheInitialSize:2048}"
                      autowarmCount="128"/>

    <documentCache class="solr.CaffeineCache"
                   size="${documentCacheSize:2048}"
                   initialSize="${documentCacheInitialSize:2048}"/>

    <enableLazyFieldLoading>true</enableLazyFieldLoading>

    <queryResultWindowSize>100</queryResultWindowSize>
    <queryResultMaxDocsCached>500</queryResultMaxDocsCached>
    <slowQueryThresholdMillis>500</slowQueryThresholdMillis>
  </query>

  <updateRequestProcessorChain name="DocCentricVersioningOnDate">
    <processor class="solr.ParseDateFieldUpdateProcessorFactory">
      <str name="defaultTimeZone">Etc/UTC</str>
      <arr name="format">
        <str>yyyy-MM-dd HH:mm:ss Z</str>
        <str>yyyy-MM-dd HH:mm:ss</str>
      </arr>
    </processor>
    <processor class="solr.DocBasedVersionConstraintsProcessorFactory">
      <str name="versionField">record_update_date</str>
      <bool name="ignoreOldUpdates">false</bool>
    </processor>
    <processor class="solr.LogUpdateProcessorFactory" />
    <processor class="solr.RunUpdateProcessorFactory" />
  </updateRequestProcessorChain>

</config>