Apache Solr Reference Guide Covering Apache Solr 6.0

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permissions to all users, removing any security present. You may use the VMParamsSingleSetCredentialsDigestZkCredentialsProvider and VMParamsAll AndReadonlyDigestZkACLProvider implementations as described earlier in the page for these properties. After changing the ZK ACLs, make sure that the contents of your solr.xml match, as described for initial set up. Example Usages Let's say that you want all Solr-related content in ZooKeeper protected. You want an "admin" user that is able to do anything to the content in ZooKeeper - this user will be used for initializing Solr content in ZooKeeper and for server-side Solr nodes. You also want a "readonly" user that is only able to read content from ZooKeeper - this user will be handed over to "clients". In the examples below: The "admin" user's username/password is admin-user/admin-password. The "readonly" user's username/password is readonly-user/readonly-password. The provider class names must first be configured in solr.xml: ... ... org.apache.solr.common.cloud.VMParamsSingleSetCredenti alsDigestZkCredentialsProvider org.apache.solr.common.cloud.VMParamsAllAndReadonlyDigestZkACLP rovider To use ZkCLI: SOLR_ZK_CREDS_AND_ACLS="-DzkDigestUsername=admin-user -DzkDigestPassword=admin-password \ -DzkDigestReadonlyUsername=readonly-user -DzkDigestReadonlyPassword=readonly-password" java ... $SOLR_ZK_CREDS_AND_ACLS ... org.apache.solr.cloud.ZkCLI -cmd ... For operations using bin/solr, add the following at the bottom of bin/solr.in.sh: SOLR_ZK_CREDS_AND_ACLS="-DzkDigestUsername=admin-user -DzkDigestPassword=admin-password \ -DzkDigestReadonlyUsername=readonly-user -DzkDigestReadonlyPassword=readonly-password" SOLR_OPTS="$SOLR_OPTS $SOLR_ZK_CREDS_AND_ACLS" For operations using bin\solr.cmd, add the following at the bottom of bin\solr.in.cmd: Apache Solr Reference Guide 6.0 564
set SOLR_ZK_CREDS_AND_ACLS=-DzkDigestUsername=admin-user -DzkDigestPassword=admin-password ^ -DzkDigestReadonlyUsername=readonly-user -DzkDigestReadonlyPassword=readonly-password set SOLR_OPTS=%SOLR_OPTS% %SOLR_ZK_CREDS_AND_ACLS% To start your own "clients" (using SolrJ): SOLR_ZK_CREDS_AND_ACLS="-DzkDigestUsername=readonly-user -DzkDigestPassword=readonly-password" java ... $SOLR_ZK_CREDS_AND_ACLS ... Or since you yourself are writing the code creating the SolrZkClient-s, you might want to override the provider implementations at the code level instead. Collections API The Collections API is used to enable you to create, remove, or reload collections, but in the context of SolrCloud you can also use it to create collections with a specific number of shards and replicas. API Entry Points The base URL for all API calls below is http://:/solr. /admin/collections?action=CREATE: create a collection /admin/collections?action=MODIFYCOLLECTION: Modify certain attributes of a collection /admin/collections?action=RELOAD: reload a collection /admin/collections?action=SPLITSHARD: split a shard into two new shards /admin/collections?action=CREATESHARD: create a new shard /admin/collections?action=DELETESHARD: delete an inactive shard /admin/collections?action=CREATEALIAS: create or modify an alias for a collection /admin/collections?action=DELETEALIAS: delete an alias for a collection /admin/collections?action=DELETE: delete a collection /admin/collections?action=DELETEREPLICA: delete a replica of a shard /admin/collections?action=ADDREPLICA: add a replica of a shard /admin/collections?action=CLUSTERPROP: Add/edit/delete a cluster-wide property /admin/collections?action=MIGRATE: Migrate documents to another collection /admin/collections?action=ADDROLE: Add a specific role to a node in the cluster /admin/collections?action=REMOVEROLE: Remove an assigned role /admin/collections?action=OVERSEERSTATUS: Get status and statistics of the overseer /admin/collections?action=CLUSTERSTATUS: Get cluster status /admin/collections?action=REQUESTSTATUS: Get the status of a previous asynchronous request /admin/collections?action=DELETESTATUS: Delete the stored response of a previous asynchronous request /admin/collections?action=LIST: List all collections /admin/collections?action=ADDREPLICAPROP: Add an arbitrary property to a replica specified by collection/shard/replica /admin/collections?action=DELETEREPLICAPROP: Delete an arbitrary property from a replica specified Apache Solr Reference Guide 6.0 565
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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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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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Page 533 and 534: SolrCloud Instances In SolrCloud mo
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Page 539 and 540: In addition to the logging options
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Page 543 and 544: MBean Request Handler The MBean Req
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Page 547 and 548: startup a SolrCloud cluster using t
Page 549 and 550: Then at query time, you include the
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Page 553 and 554: Each shard serves top-level query r
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Page 559 and 560: Finally, create your myid files in
Page 561 and 562: Changing ACL Schemes Example Usages
Page 563: When solr wants to create a new zno
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Page 569 and 570: It's possible to edit multiple attr
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Page 573 and 574: Create a Shard Shards can only crea
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Page 579 and 580: http://localhost:8983/solr/admin/co
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Page 585 and 586: Key Type Required Description role
Page 587 and 588: Cluster Status /admin/collections?a
Page 589 and 590: } } "127.0.1.1:8900_solr"] Request
Page 595 and 596: 0 9 Examining the clusterstate a
Page 597 and 598: 0 123 success Already leader 19
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Page 603 and 604: ... ${solr.data.dir:} ... 3. The
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Page 609 and 610: Defining Rules Rules are specified
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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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