Apache Solr Reference Guide Covering Apache Solr 6.0

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ScriptTransformer TemplateTransformer Write transformers in Javascript or any other scripting language supported by Java. Transform a field using a template. These transformers are described below. ClobTransformer You can use the ClobTransformer to create a string out of a CLOB in a database. A CLOB is a character large object: a collection of character data typically stored in a separate location that is referenced in the database. See http://en.wikipedia.org/wiki/Character_large_object. Here's an example of invoking the ClobTransformer. ... The ClobTransformer accepts these attributes: clob Attribute sourceColName Description Boolean value to signal if ClobTransformer should process this field or not. If this attribute is omitted, then the corresponding field is not transformed. The source column to be used as input. If this is absent source and target are same The DateFormatTransformer This transformer converts dates from one format to another. This would be useful, for example, in a situation where you wanted to convert a field with a fully specified date/time into a less precise date format, for use in faceting. DateFormatTransformer applies only on the fields with an attribute dateTimeFormat. Other fields are not modified. This transformer recognizes the following attributes: Attribute dateTimeFormat sourceColName locale Description The format used for parsing this field. This must comply with the syntax of the Java SimpleDateFormat class. The column on which the dateFormat is to be applied. If this is absent source and target are same. The locale to use for date transformations. If not specified, the ROOT locale will be used. It must be specified as language-country. For example, en-US. Here is example code that returns the date rounded up to the month "2007-JUL": ... Apache Solr Reference Guide 6.0 222
The HTMLStripTransformer You can use this transformer to strip HTML out of a field. For example: ... There is one attribute for this transformer, stripHTML, which is a boolean value (true/false) to signal if the HTMLStripTransformer should process the field or not. The LogTransformer You can use this transformer to log data to the console or log files. For example: .... Unlike other transformers, the LogTransformer does not apply to any field, so the attributes are applied on the entity itself. The NumberFormatTransformer Use this transformer to parse a number from a string, converting it into the specified format, and optionally using a different locale. NumberFormatTransformer will be applied only to fields with an attribute formatStyle. This transformer recognizes the following attributes: Attribute formatStyle sourceColName locale Description The format used for parsing this field. The value of the attribute must be one of (number|p ercent|integer|currency). This uses the semantics of the Java NumberFormat class. The column on which the NumberFormat is to be applied. This is attribute is absent. The source column and the target column are the same. The locale to be used for parsing the strings. If this is absent, the ROOT locale is used. It must be specified as language-country. For example, en-US. For example: Apache Solr Reference Guide 6.0 223
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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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Page 173 and 174: Algorithms discussed in this sectio
Page 175 and 176: Caverphone To use this encoding in
Page 177 and 178: The " text_general" field type is d
Page 179 and 180: Indexing and Basic Data Operations
Page 181 and 182: $ bin/post -h Usage: post -c [OPTI
Page 183 and 184: The bin/post script currently deleg
Page 185 and 186: XML Update Commands Commit and Opti
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Page 189 and 190: In general, the JSON update syntax
Page 191 and 192: if split=/ (i.e., you want your JSO
Page 193 and 194: curl 'http://localhost:8983/solr/my
Page 195 and 196: So, if no params are passed, the en
Page 197 and 198: Path /update/csv Default Parameters
Page 199 and 200: Topics covered in this section: Key
Page 201 and 202: defaultField extractOnly extractFor
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Page 205 and 206: curl "http://localhost:8983/solr/te
Page 207 and 208: Configuration Configuring solrconfi
Page 209 and 210: Datasources can still be specifie
Page 211 and 212: dateFormat A java.text.SimpleDateFo
Page 213 and 214: The URLDataSource type accepts thes
Page 215 and 216: deletedPkQuery deltaImportQuery SQL
Page 217 and 218: The entity attributes unique to the
Page 219 and 220: onError By default, the TikaEntityP
Page 221: While there are use cases where you
Page 225 and 226: The emailids field in the table can
Page 227 and 228: set Modifier Usage Set or replace t
Page 229 and 230: $ curl -X POST -H 'Content-Type: ap
Page 231 and 232: Method MD5Signature Lookup3Signatur
Page 233 and 234: language identification and a field
Page 235 and 236: langid.fallbackFields string none n
Page 237 and 238: 1. Copy solr-uima-VERSION.jar (unde
Page 239 and 240: VALID_ALCHEMYAPI_KEY is your Alch
Page 241 and 242: Overview of Searching in Solr Solr
Page 243 and 244: Velocity Search UI Solr includes a
Page 245 and 246: The table below summarizes Solr's c
Page 247 and 248: Setting the start parameter to some
Page 249 and 250: The debug Parameter The debug param
Page 251 and 252: The echoParams Parameter The echoPa
Page 253 and 254: The Standard Query Parser's Respons
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Page 257 and 258: field. For example, suppose an inde
Page 259 and 260: Grouping Terms to Form Sub-Queries
Page 261 and 262: In addition to the common request p
Page 263 and 264: If the calculations based on the pa
Page 265 and 266: http://localhost:8983/solr/techprod
Page 267 and 268: Examples of Queries Submitted to th
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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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http://localhost:8983/solr/techprod
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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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http://localhost:8983/solr/techprod
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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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Parameters Syntax StreamExpression
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-1, // checkpoint every X tuples, i
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The order of the streams does not m
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intersect( search(collection1, q=a_
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outerHashJoin( search(people, q=*:*
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Parameters Syntax StreamExpression
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unique( search(collection1, q="*:*"
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worker nodes. It involves sorting a
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{"result-set":{"docs":[ {"count(*)"
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engine and are generated by the Sta
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the Data Tables. The worker nodes e
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The Well-Configured Solr Instance T
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#core.properties name=collection2 m
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Managed Schema Default When a is n
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Merging Index Segments mergePolicyF
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lockType The LockFactory options sp
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own request handler, you should mak
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used instead of the default. First-
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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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