Apache Solr Reference Guide Covering Apache Solr 6.0

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solr.kerberos.name.rules No Used to map Kerberos principals to short names. Default value is DEFAULT. Example of a name rule: RULE:[1:$1@$0](.*EX AMPLE.COM)s/@.*// solr.kerberos.cookie.domain Yes Used to issue cookies and should have the hostname of the Solr node. solr.kerberos.cookie.portaware No When set to true, cookies are differentiated based on host and port, as opposed to standard cookies which are not port aware. This should be set if more than one Solr node is hosted on the same host. The default is false. solr.kerberos.principal Yes The service principal. solr.kerberos.keytab Yes Keytab file path containing service principal credentials. solr.kerberos.jaas.appname No The app name (section name) within the JAAS configuration file which is required for internode communication. Default is Clien t, which is used for Zookeeper authentication as well. If different users are used for ZooKeeper and Solr, they will need to have separate sections in the JAAS configuration file. java.security.auth.login.config Yes Path to the JAAS configuration file for configuring a Solr client for internode communication. Here is an example that could be added to bin/solr.in.sh. Make sure to change this example to use the right hostname and the keytab file path. SOLR_AUTHENTICATION_CLIENT_CONFIGURER=org.apache.solr.client.solrj.impl.Krb5HttpClie ntConfigurer SOLR_AUTHENTICATION_OPTS="-Djava.security.auth.login.config=/home/foo/jaas-client.co nf -Dsolr.kerberos.cookie.domain=192.168.0.107 -Dsolr.kerberos.cookie.portaware=true -Dsolr.kerberos.principal=HTTP/192.168.0.107@EXAMPLE.COM -Dsolr.kerberos.keytab=/keytabs/107.keytab" KDC with AES-256 encryption If your KDC uses AES-256 encryption, you need to add the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files to your JRE before a kerberized Solr can interact with the KDC. You will know this when you see an error like this in your Solr logs : "KrbException: Encryption type AES256 CTS mode with HMAC SHA1-96 is not supported/enabled" For Java 1.8, this is available here: http://www.oracle.com/technetwork/java/javase/downloads/jce8-dow nload-2133166.html. Replace the local_policy.jar present in JAVA_HOME/jre/lib/security/ with the new local_policy.jar from the downloaded package and restart the Solr node. Start Solr Once the configuration is complete, you can start Solr with the bin/solr script, as in the example below. This example assumes you modified bin/solr.in.sh or bin/solr.in.cmd, with the proper values, but if you did not, you would pas the system parameters along with the start command. Note you also need to customize the - z property as appropriate for the location of your ZooKeeper nodes. Apache Solr Reference Guide 6.0 520
in/solr -c -z server1:2181,server2:2181,server3:2181/solr Test the Configuration 1. 2. Do a kinit with your username. For example, "kinit user@EXAMPLE.COM" Try to access Solr using curl. You should get a successful response. curl --negotiate -u : "http://192.168.0.107:8983/solr/" Using SolrJ with a Kerberized Solr To use Kerberos authentication in a SolrJ application, you need the following two lines before you create a SolrClient: System.setProperty("java.security.auth.login.config", "/home/foo/jaas-client.conf"); HttpClientUtil.setConfigurer(new Krb5HttpClientConfigurer()); You need to specify a Kerberos service principal for the client and a corresponding keytab in the JAAS client configuration file above. This principal should be different from the service principal we created for Solr . Here’s an example: SolrJClient { com.sun.security.auth.module.Krb5LoginModule required useKeyTab=true keyTab="/keytabs/foo.keytab" storeKey=true useTicketCache=true debug=true principal="solrclient@EXAMPLE.COM"; }; Rule-Based Authorization Plugin Solr allows configuring roles to control user access to the system. This is accomplished through rule-based permission definitions which are assigned to users. The roles are fully customizable, and provide the ability to limit access to specific collections, request handlers, request parameters, and request methods. The roles can be used with any of the authentication plugins or with a custom authentication plugin if you have created one. You will only need to ensure that you configure the role-to-user mappings with the proper user IDs that your authentication system provides. Once defined through the API, roles are stored in security.json in ZooKeeper. This means this feature is available when using Solr in SolrCloud mode only. Enable the Authorization Plugin The plugin must be enabled in security.json. This file and how to upload it to ZooKeeper is described in detail in the section Enable Plugins with security.json. This file has two parts, the authentication part and the authorization part. The authentication part stores information about the class being used for authentication. The authorization part is not related to Basic authentication, but is a separate authorization plugin designed Apache Solr Reference Guide 6.0 521
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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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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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Page 471 and 472: name=my_core_name Placement of core
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Page 475 and 476: RELOAD The RELOAD action loads a ne
Page 477 and 478: In this example, we use the indexDi
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Page 483 and 484: Commands for Common Properties The
Page 485 and 486: The Config API does not let you cre
Page 487 and 488: Examples Creating and Updating Comm
Page 489 and 490: {"overlay":{ "znodeVersion":5, "use
Page 491 and 492: curl http://localhost:8983/solr/tec
Page 493 and 494: Managed Resources Managed resources
Page 495 and 496: Synonyms For the most part, the API
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Page 503 and 504: Managing Solr This section describe
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Page 509 and 510: _JMX_OPTS property in the include f
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Page 513 and 514: during initialization. The authoriz
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Page 517 and 518: Consult Your Kerberos Admins! Befor
Page 519: If you already have a /security.jso
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Page 527 and 528: in/solr.in.sh example SOLR_SSL_* co
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Page 533 and 534: SolrCloud Instances In SolrCloud mo
Page 535 and 536: authentication from Solr, you need
Page 537 and 538: The backup command is an asynchrono
Page 539 and 540: In addition to the logging options
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Page 543 and 544: MBean Request Handler The MBean Req
Page 545 and 546: SolrCloud Example Interactive Start
Page 547 and 548: startup a SolrCloud cluster using t
Page 549 and 550: Then at query time, you include the
Page 551 and 552: http://localhost:8983/solr/gettings
Page 553 and 554: Each shard serves top-level query r
Page 555 and 556: Write Side Fault Tolerance SolrClou
Page 557 and 558: Create the instance Creating the in
Page 559 and 560: Finally, create your myid files in
Page 561 and 562: Changing ACL Schemes Example Usages
Page 563 and 564: When solr wants to create a new zno
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Page 567 and 568: maxShardsPerNode integer No 1 When
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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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