Apache Solr Reference Guide Covering Apache Solr 6.0

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to support fine-grained user access control. When creating security.json you can add the permissions to the file, or you can use the Authorization API described below to add them as needed. This example security.json shows how the Basic authentication plugin can work with this authorization plugin: { "authentication":{ "class":"solr.BasicAuthPlugin", "blockUnknown": true, "credentials":{"solr":"IV0EHq1OnNrj6gvRCwvFwTrZ1+z1oBbnQdiVC3otuq0= Ndd7LKvVBAaZIF0QAVi1ekCfAJXr1GGfLtRUXhgrF8c="} }, "authorization":{ "class":"solr.RuleBasedAuthorizationPlugin", "permissions":[{"name":"security-edit", "role":"admin"}] "user-role":{"solr":"admin"} }} There are several things defined in this example: Basic authentication and rule-based authorization plugins are enabled. A user called 'solr', with a password has been defined. All requests w/o credentials will be rejected with a 401 error. Set 'blockUnknown' to false (or remove it altogether) if you wish to let unauthenticated requests to go through. However, if a particular resource is protected by a rule, they are rejected anyway with a 401 error. The 'admin' role has been defined, and it has permission to edit security settings. The 'solr' user has been defined to the 'admin' role. Permission Attributes Each role is comprised of one or more permissions which define what the user is allowed to do. Each permission is made up of several attributes that define the allowed activity. There are some pre-defined permissions which cannot be modified. The permissions are consulted in order they appear in security.json. The first permission that matches is applied for each user, so the strictest permissions should be at the top of the list. Permissions order can be controlled with a parameter of the Authorization API, as described below. Pre-defined Permissions There are several permissions that are pre-defined. These have fixed default values, which cannot be modified, and new attributes cannot be added. To use these attributes, simply define a role that includes this permission, and then assign a user to that role. The pre-defined permissions are: security-edit: this permission is allowed to edit the security configuration, meaning any update action that modifies security.json through the APIs will be allowed. security-read: this permission is allowed to read the security configuration, meaning any action that reads security.json settings through the APIs will be allowed. schema-edit: this permission is allowed to edit a collection's schema using the Schema API. Note that this allows schema edit permissions for all collections. If edit permissions should only be applied to specific collections, a custom permission would need to be created. schema-read: this permission is allowed to read a collection's schema using the Schema API. Note that this allows schema read permissions for all collections. If read permissions should only be applied to specific collections, a custom permission would need to be created. config-edit: this permission is allowed to edit a collection's configuration using the Config API, the Reque Apache Solr Reference Guide 6.0 522
st Parameters API, and other APIs which modify configoverlay.json. Note that this allows configuration edit permissions for all collections. If edit permissions should only be applied to specific collections, a custom permission would need to be created. config-read: this permission is allowed to read a collection's configuration using the Config API, the Requ est Parameters API, and other APIs which modify configoverlay.json. Note that this allows configuration read permissions for all collections. If read permissions should only be applied to specific collections, a custom permission would need to be created. collection-admin-edit: this permission is allowed to edit a collection's configuration using the Collections API. Note that this allows configuration edit permissions for all collections. If edit permissions should only be applied to specific collections, a custom permission would need to be created. Specifically, the following actions of the Collections API would be allowed: CREATE RELOAD SPLITSHARD CREATESHARD DELETESHARD CREATEALIAS DELETEALIAS DELETE DELETEREPLICA ADDREPLICA CLUSTERPROP MIGRATE ADDROLE REMOVEROLE ADDREPLICAPROP DELETEREPLICAPROP BALANCESHARDUNIQUE REBALANCELEADERS collection-admin-read: this permission is allowed to read a collection's configuration using the Collection s API. Note that this allows configuration read permissions for all collections. If read permissions should only be applied to specific collections, a custom permission would need to be created. Specifically, the following actions of the Collections API would be allowed: LIST OVERSEERSTATUS CLUSTERSTATUS REQUESTSTATUS update: this permission is allowed to perform any update action on any collection. This includes sending documents for indexing (using an update request handler). read: this permission is allowed to perform any read action on any collection. This includes querying using search handlers (using request handlers ) such as /select, /get, /browse, /tvrh, /terms, /cluste ring , /elevate, /export, /spell, /clustering, and /sql. all: Any requests coming to Solr. Authorization API API Endpoint /admin/authorization: takes a set of commands to create permissions, map permissions to roles, and map roles to users. Manage Permissions Three commands control managing permissions: set-permission: create a new permission, overwrite an existing permission definition, or assign a Apache Solr Reference Guide 6.0 523
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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
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 513 and 514: during initialization. The authoriz
Page 515 and 516: curl --user solr:SolrRocks http://l
Page 517 and 518: Consult Your Kerberos Admins! Befor
Page 519 and 520: If you already have a /security.jso
Page 521: in/solr -c -z server1:2181,server2:
Page 525 and 526: curl --user solr:SolrRocks -H 'Cont
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
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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
Page 569 and 570: It's possible to edit multiple attr
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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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