Apache Solr Reference Guide Covering Apache Solr 6.0

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InitParams add-unknown-fields-to-the-schema Alternately, one can achieve a similar effect using the "defaults" as shown in the example below: defaults add-unknown-fields-to-the-schema Update Request Processor Factories What follows are brief descriptions of the currently available update request processors. UpdateRequestProcessorFactories can be integrated into an update chain in solrconfig.xml as necessary. You are strongly urged to examine the Javadocs for these classes; these descriptions are abridged snippets taken for the most part from the Javadocs. AddSchemaFieldsUpdateProcessorFactory: This processor will dynamically add fields to the schema if an input document contains one or more fields that don't match any field or dynamic field in the schema. CloneFieldUpdateProcessorFactory: Clones the values found in any matching source field into the configured dest field. DefaultValueUpdateProcessorFactory: A simple processor that adds a default value to any document which does not already have a value in fieldName. DocBasedVersionConstraintsProcessorFactory: This Factory generates an UpdateProcessor that helps to enforce version constraints on documents based on per-document version numbers using a configured name of a versionField. DocExpirationUpdateProcessorFactory: Update Processor Factory for managing automatic "expiration" of documents. IgnoreCommitOptimizeUpdateProcessorFactory: Allows you to ignore commit and/or optimize requests from client applications when running in SolrCloud mode, for more information, see: Shards and Indexing Data in SolrCloud RegexpBoostProcessorFactory: A processor which will match content of "inputField" against regular expressions found in "boostFilename", and if it matches will return the corresponding boost value from the file and output this to "boostField" as a double value. SignatureUpdateProcessorFactory: Uses a defined set of fields to generate a hash "signature" for the document. Useful for only indexing one copy of "similar" documents. StatelessScriptUpdateProcessorFactory: An update request processor factory that enables the use of update processors implemented as scripts. TimestampUpdateProcessorFactory: An update processor that adds a newly generated date value of "NOW" to any document being added that does not already have a value in the specified field. URLClassifyProcessorFactory: Update processor which examines a URL and outputs to various other fields with characteristics of that URL, including length, number of path levels, whether it is a top level URL (levels==0), whether it looks like a landing/index page, a canonical representation of the URL (e.g. Apache Solr Reference Guide 6.0 464
stripping index.html), the domain and path parts of the URL etc. UUIDUpdateProcessorFactory: An update processor that adds a newly generated UUID value to any document being added that does not already have a value in the specified field. FieldMutatingUpdateProcessorFactory derived factories These factories all provide functionality to modify fields in a document as they're being indexed. When using any of these factories, please consult the FieldMutatingUpdateProcessorFactory javadocs for details on the common options they all support for configuring which fields are modified. ConcatFieldUpdateProcessorFactory : Concatenates multiple values for fields matching the specified conditions using a configurable delimiter. CountFieldValuesUpdateProcessorFactory : Replaces any list of values for a field matching the specified conditions with the the count of the number of values for that field. FieldLengthUpdateProcessorFactory: Replaces any CharSequence values found in fields matching the specified conditions with the lengths of those CharSequences (as an Integer). FirstFieldValueUpdateProcessorFactory: Keeps only the first value of fields matching the specified conditions. HTMLStripFieldUpdateProcessorFactory: Strips all HTML Markup in any CharSequence values found in fields matching the specified conditions. IgnoreFieldUpdateProcessorFactory : Ignores and removes fields matching the specified conditions from any document being added to the index. LastFieldValueUpdateProcessorFactory : Keeps only the last value of fields matching the specified conditions. MaxFieldValueUpdateProcessorFactory: An update processor that keeps only the the maximum value from any selected fields where multiple values are found. MinFieldValueUpdateProcessorFactory: An update processor that keeps only the the minimum value from any selected fields where multiple values are found. ParseBooleanFieldUpdateProcessorFactory : Attempts to mutate selected fields that have only CharSequence-typed values into Boolean values. ParseDateFieldUpdateProcessorFactory : Attempts to mutate selected fields that have only CharSequence-typed values into Solr date values. ParseNumericFieldUpdateProcessorFactory derived classes: ParseDoubleFieldUpdateProcessorFactory: Attempts to mutate selected fields that have only CharSequence-typed values into Double values. ParseFloatFieldUpdateProcessorFactory : Attempts to mutate selected fields that have only CharSequence-typed values into Float values. ParseIntFieldUpdateProcessorFactory : Attempts to mutate selected fields that have only CharSequence-typed values into Integer values. ParseLongFieldUpdateProcessorFactory : Attempts to mutate selected fields that have only CharSequence-typed values into Long values. PreAnalyzedUpdateProcessorFactory : An update processor that parses configured fields of any document being added using PreAnalyzedField with the configured format parser. RegexReplaceProcessorFactory : An updated processor that applies a configured regex to any CharSequence values found in the selected fields, and replaces any matches with the configured replacement string. RemoveBlankFieldUpdateProcessorFactory : Removes any values found which are CharSequence with a length of 0. (ie: empty strings). TrimFieldUpdateProcessorFactory: Trims leading and trailing whitespace from any CharSequence values found in fields matching the specified conditions. TruncateFieldUpdateProcessorFactory: Truncates any CharSequence values found in fields matching the specified conditions to a maximum character length. UniqFieldsUpdateProcessorFactory : Removes duplicate values found in fields matching the specified conditions. Update Processor factories that can be loaded as plugins Apache Solr Reference Guide 6.0 465
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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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paging, and filtering using common
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Fetching A Large Number of Sorted R
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$ curl '...&rows=10&sort=id+asc&cur
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The psuedo-code for tailing a curso
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group.facet Boolean Determines whet
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The Collapsing query parser and the
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q=foo&fq={!collapse field=ISBN}&exp
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To enable the clustering component
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There were a few clusters discover
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clustering When true, clustering co
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The default language can also be se
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See the section SpatialRecursivePre
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sphere; and sqedist, to calculate t
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maxDistErr worldBounds Defines the
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interface being developed allows an
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The parameters below allow you to c
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0 2 5 3 3 3 3 3 3 3 3 3 Get
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The TermVectorComponent is a search
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Boolean Parameters Description Type
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0.0 3.0 32 0 10.0 22.0 0.3125 0.7
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Additional "Expert" local params ar
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config-file Path to the file that d
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csv json php phps python ruby smile
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text/plain Python Response Writer
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v.layout.enabled v.contentType v.js
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maxDocs maxTime Integer. Defines th
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${solr.ulog.dir:} Real Time Get re
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To export the full sorted result se
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Some streaming functions act as str
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expr=search(collection1, zkHost="lo
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facet(collection1, q="*:*", buckets
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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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