Apache Solr Reference Guide Covering Apache Solr 6.0

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VelocityResponseWriter; these are detailed in the following table. These initialization parameters are only specified in the writer registration in solrconfig.xml, not as request-time parameters. See further below for request-time parameters. VelocityResponseWriter initialization parameters Parameter Description Default value template.base.dir init.properties.file params.resource.loader.enabled solr.resource.loader.enabled tools If specified and exists as a file system directory, a file resource loader will be added for this directory. Templates in this directory will override "solr" resource loader templates. Specifies a properties file name which must exist in the Solr conf/ directory ( not under a velocity/ subdirectory) or root of a JAR file in a . The "params" resource loader allows templates to be specified in Solr request parameters. For example: http://localhost: 8983/ solr/ gettingstarted/ select? q=*:*& wt=velo city& v.template=custom& v.template.custom=CUSTOM %3A%20%23core_name where v.template=custom says to render a template called "custom" and v.template.custom's value is the actual custom template. This is disabled by default; it'd be a niche, unusual use case to need this enabled. The "solr" resource loader is the only template loader registered by default. Templates are served from resources visible to the SolrResourceLoader under a velocity/ subdirectory. The VelocityResponseWriter itself has some built-in templates (in its JAR file, under velocity/) that are available automatically through this loader. These built-in templates can be overridden when the same template name is in conf/velocity/ or by using the templat e.base.dir option. External "tools" can be specified as list of string name/value (tool name / class name) pairs. Tools, in the Velocity context, are simply Java objects. Tool classes are constructed using a no-arg constructor (or a single-SolrCore-arg constructor if it exists) and added to the Velocity context with the specified name. A custom registered tool can override the built-in context objects with the same name, except for $request, $response, $page, and $debug (these tools are designed to not be overridden). false true VelocityResponseWriter request parameters Parameter Description Default value v.template Specifies the name of the template to render. v.layout Specifies a template name to use as the layout around the main, v.template, specified template. The main template is rendered into a string value included into the layout rendering as $c ontent. Apache Solr Reference Guide 6.0 398
v.layout.enabled v.contentType v.json Determines if the main template should have a layout wrapped around it. True by default, but requires v.layout to specified as well. Specifies the content type used in the HTTP response. If not specified, the default will depend on whether v.json is specified or not. Specifies a function name to wrap around the response rendered as JSON. If specified, the content type used in the response will be "application/json;charset=UTF-8", unless overridden by v.contentType. Output will be in this format (with v.json=wrf): wrf("result":"") true without json.wrf: text/html;charset=UTF-8 with json.wrf: application/json;charset=UTF-8 v.locale Locale to use with the $resource tool and other LocaleConfig implementing tools. The default locale is Locale.ROOT. Localized resources are loaded from standard Java resource bundles named resources[_loca le-code].properties. Resource bundles can be added by providing a JAR file visible by the SolrResourceLoader with resource bundles under a velocity sub-directory. Resource bundles are not loadable under conf/, as only the class loader aspect of SolrResourceLoader can be used here. v.template. When the "params" resource loader is enabled, templates can be specified as part of the Solr request. VelocityResponseWriter context objects Context reference Description request SolrQueryRequest javadocs response QueryResponse most of the time, but in some cases where QueryResponse doesn't like the request handlers output ( AnalysisRequestHandler, for example, causes a ClassCastException parsing "response"), the response will be a SolrResponseBase object. esc A Velocity EscapeTool instance date A Velocity ComparisonDateTool instance list A Velocity ListTool instance math A Velocity MathTool instance Apache Solr Reference Guide 6.0 399
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TM Apache Solr Reference Guide Cove
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About This Guide This guide describ
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Getting Started Solr makes it easy
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Start Solr in the Foreground Since
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documents. Do not worry too much ab
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,price Faceted browsing is one of S
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for the simplest keyword searching
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Stop Informational Version Status H
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-noprompt Start Solr and suppress a
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The stop command sends a STOP reque
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$ bin/solr healthcheck -c gettingst
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collection. For example, the follow
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An example of this command with the
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with the fact that DocValues do not
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Accessing the URL http://hostname:8
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For an explanation of the various l
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Java Properties The Java Properties
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The collection-specific UI screens
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This screen also lets you adjust va
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Related Topics Uploading Data with
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Request-handler (qt) Specifies the
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about the core, and a secondary men
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0 13 {!lucene}*:* false _text_ 10
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This information may be useful for
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In the Solr universe, documents are
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The first line in the
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omitNorms If true, omits the norms
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TrieField TrieFloatField TrieIntFie
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Working with Dates Date Formatting
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UTC: http://localhost:8983/solr/my_
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Working with External Files and Pro
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str Stored string value of a field.
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1 one two three version: 1 stored:
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faceting 5 true 7 true 7 add multip
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useDocValuesAsStored If the field h
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Similarity Similarity is a Lucene c
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Multiple Commands in a Single POST
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Add a Dynamic Field Rule The add-dy
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The replace-field-type command repl
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Finally, repeated commands can be s
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81 Apache Solr Reference Guide 6.0
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id ... List Fields GET
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INPUT Path Parameters Key Descripti
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The query parameters can be added t
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Key collection Description The coll
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curl http://localhost:8983/solr/get
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OUTPUT Output Content The output wi
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Handling text properly will make yo
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Retrieving DocValues During Search
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true managed-schema Define an Upda
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Javadocs for update processor facto
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400 7 ERROR: [doc=19F] Error add
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Analyzers An analyzer examines the
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About Tokenizers The
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You configure the tokenizer for a t
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In: "Please, email john.doe@foo.c
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In: "babaloo" Out:"ba", "bab", "b
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Extract simple, capitalized words.
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lement. For example: The foll
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Example: Classic Filter This f
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Tokenizer to Filter: "four"(1), "sc
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In: "the quick brown fox jumped
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name: (string) The name of the norm
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appropriate for English language te
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N-Gram Filter Generates n-gram toke
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In: "cat concatenate catycat" To
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In: "jump jumping jumped" Tokenizer
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In: "To be, or not to be." Token
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enablePositionIncrements: if lucene
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couch,sofa,divan teh => the huge,gi
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useWhitelist: If true, the file def
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Tokenizer to Filter: "XL-4000/ES"(1
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The table below presents examples o
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KeywordRepeatFilterFactory Emits ea
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Using a Tailored ruleset: custom: (
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get the default rules for Germany /
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Language-Specific Factories Thes
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Arguments: language: (required) ste
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Out: "preziden", "preziden", "prezi
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Examples: In: "le chat,
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Example: Indonesian Solr incl
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Japanese Tokenizer Tokenizer for Ja
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In: "tirgiem tirgus" Tokenize
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Polish Solr provides support fo
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Factory class: solr.RussianLightSte
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Spanish Solr includes two stemmers
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Algorithms discussed in this sectio
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Caverphone To use this encoding in
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The " text_general" field type is d
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Indexing and Basic Data Operations
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$ bin/post -h Usage: post -c [OPTI
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The bin/post script currently deleg
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XML Update Commands Commit and Opti
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In general, the JSON update syntax
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if split=/ (i.e., you want your JSO
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curl 'http://localhost:8983/solr/my
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So, if no params are passed, the en
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Path /update/csv Default Parameters
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Topics covered in this section: Key
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defaultField extractOnly extractFor
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EEEE, dd-MMM-yy HH:mm:ss zzz EEE MM
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curl "http://localhost:8983/solr/te
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Configuration Configuring solrconfi
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Datasources can still be specifie
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dateFormat A java.text.SimpleDateFo
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The URLDataSource type accepts thes
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deletedPkQuery deltaImportQuery SQL
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The entity attributes unique to the
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onError By default, the TikaEntityP
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While there are use cases where you
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The HTMLStripTransformer You can us
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The emailids field in the table can
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set Modifier Usage Set or replace t
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$ curl -X POST -H 'Content-Type: ap
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Method MD5Signature Lookup3Signatur
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language identification and a field
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langid.fallbackFields string none n
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1. Copy solr-uima-VERSION.jar (unde
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VALID_ALCHEMYAPI_KEY is your Alch
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Overview of Searching in Solr Solr
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Velocity Search UI Solr includes a
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The table below summarizes Solr's c
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Setting the start parameter to some
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The debug Parameter The debug param
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The echoParams Parameter The echoPa
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The Standard Query Parser's Respons
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Multiple characters (matches zero o
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field. For example, suppose an inde
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Grouping Terms to Form Sub-Queries
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In addition to the common request p
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If the calculations based on the pa
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http://localhost:8983/solr/techprod
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Examples of Queries Submitted to th
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it includes parentheses. For exampl
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dist docfreq(field,val) exists fiel
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max maxdoc min ms norm( field) not
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ecip rord scale sqedist Performs a
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tf top totaltermfreq xor() Term fre
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is equivalent to: q={!type=dismax q
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This parser takes a query that matc
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ds.txt for your collection, and ind
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One way to model this graph as Solr
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With this alternative document mode
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y wrapping all SHOULD clauses in a
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Re-Ranking Query Parser The ReRankQ
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example configuration below, client
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TermsQueryBuilder UserInputQueryB
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The facet.field parameter identifie
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The default value is fc (except for
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The facet.range.hardend parameter i
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Using the " bin/solr -e techproduct
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"price":{ "min":479.95001220703125,
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307 Apache Solr Reference Guide 6.0
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... "start":"2006-01-01T00:00:00Z",
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and exclude those filters when face
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document sample 1 parent 11 Red
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Standard Highlighter The standard h
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hl.usePhraseHighlighter true If set
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hl.maxMultiValuedToExamine integer.
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Related Content HighlightingParamet
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hl.score.b 0.75 Specifies BM25 leng
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Levenshtein metric, which is the sa
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spellcheck Turns on or off SpellChe
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The spellcheck.alternativeTermCount
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1 0 5 0 dell 1 1 6 17 0 u
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Transforming Result Documents Docum
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childFilter - query to filter which
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name lookupImpl dictionaryImpl A sy
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allTermsRequired: Boolean option fo
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This dictionary implementation take
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Example query: http://localhost:898
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solrconfig.xml mySuggester Analyz
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Page 363 and 364: To enable the clustering component
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Page 405 and 406: To export the full sorted result se
Page 407 and 408: Some streaming functions act as str
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Page 413 and 414: Parameters Syntax StreamExpression
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Page 423 and 424: Parameters Syntax StreamExpression
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Page 427 and 428: worker nodes. It involves sorting a
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Page 431 and 432: engine and are generated by the Sta
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Page 435 and 436: The Well-Configured Solr Instance T
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We've defined three paths with this
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1000 commitWithin The commitWithin
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accessed frequently tend to stay in
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the filterCache will be checked for
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equestParsers Element The sub-elem
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2. required between requests. The f
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updateRequestProcessorChains and up
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Constructing a chain at request tim
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stripping index.html), the domain a
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In Solr, the term core is used to r
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shareSchema transientCacheSize conf
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name=my_core_name Placement of core
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CREATE RELOAD RENAME SWAP UNLOAD ME
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RELOAD The RELOAD action loads a ne
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In this example, we use the indexDi
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Parameter Type Required Default Des
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{ } "response":{"numFound":1,"start
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Commands for Common Properties The
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The Config API does not let you cre
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Examples Creating and Updating Comm
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{"overlay":{ "znodeVersion":5, "use
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curl http://localhost:8983/solr/tec
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Managed Resources Managed resources
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Synonyms For the most part, the API
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{ "responseHeader":{ "status":0, "Q
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curl http://localhost:8983/solr/tec
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the signature of the jar that you g
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Managing Solr This section describe
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and runs Solr as the solr user. Con
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Solr process PID running on port 89
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_JMX_OPTS property in the include f
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security.json { } "authentication"
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during initialization. The authoriz
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curl --user solr:SolrRocks http://l
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Consult Your Kerberos Admins! Befor
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If you already have a /security.jso
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in/solr -c -z server1:2181,server2:
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st Parameters API, and other APIs w
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curl --user solr:SolrRocks -H 'Cont
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in/solr.in.sh example SOLR_SSL_* co
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working through the previous sectio
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{ "responseHeader":{ "status":0, "Q
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SolrCloud Instances In SolrCloud mo
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authentication from Solr, you need
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The backup command is an asynchrono
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In addition to the logging options
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log4j.appender.file.MaxFileSize=100
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MBean Request Handler The MBean Req
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SolrCloud Example Interactive Start
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startup a SolrCloud cluster using t
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Then at query time, you include the
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http://localhost:8983/solr/gettings
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Each shard serves top-level query r
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Write Side Fault Tolerance SolrClou
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Create the instance Creating the in
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Finally, create your myid files in
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Changing ACL Schemes Example Usages
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When solr wants to create a new zno
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set SOLR_ZK_CREDS_AND_ACLS=-DzkDige
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maxShardsPerNode integer No 1 When
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It's possible to edit multiple attr
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Query Parameters Key Type Required
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Create a Shard Shards can only crea
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The CREATEALIAS action will create
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0 603 0 19 0 67 Delete
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http://localhost:8983/solr/admin/co
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The response will include the statu
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0 5007 0 8 0 1 test2_shard
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Key Type Required Description role
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Cluster Status /admin/collections?a
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} } "127.0.1.1:8900_solr"] Request
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0 9 Examining the clusterstate a
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0 123 success Already leader 19
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-z -zkhost -c -collection -d -con
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... ${solr.data.dir:} ... 3. The
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will explain why the request failed
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The nodes are sorted first and the
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Defining Rules Rules are specified
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Updates and deletes are first writt
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Rely on two storages: an ephemeral
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Target Configuration Here is a typi
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core/cdcr?action=QUEUES: Fetches st
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Output { } "responseHeader": { "sta
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{ } responseHeader={ status=0, QTim
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http://localhost:898 ${TargetZk}
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Legacy Scaling and Distribution Thi
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Limitations to Distributed Search D
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0 8 *:* localhost:8983/solr/core1
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Master and Slave Update Optimizatio
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http://remote_host:port/solr/core
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A commit command is issued on the s
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is a large expense, but not nearly
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Apache Solr Reference Guide 6.0 639
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The Solr Wiki contains a list of cl
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pSolrClient , or CloudSolrClient .
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upload using binary format, which i
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}} 'manufacturedate_dt'=>'2005-10-1
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Solr Glossary Where possible, terms
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Literally, N data about data. Metad
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See also #Inverse document frequenc
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A new graph query parser makes it p
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Upgrading a Solr Cluster This page
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proceeding to upgrade the next node
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