Apache Solr Reference Guide Covering Apache Solr 6.0

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Input Query Parameters Parameter Type Required Default Description core string Yes The name of one of the cores to be swapped. other string Yes The name of one of the cores to be swapped. async string No Request ID to track this action which will be processed asynchronously UNLOAD The UNLOAD action removes a core from Solr. Active requests will continue to be processed, but no new requests will be sent to the named core. If a core is registered under more than one name, only the given name is removed. http://localhost:8983/solr/admin/cores?action=UNLOAD&core=core0 The UNLOAD action requires a parameter ( core) identifying the core to be removed. If the persistent attribute of is set to true , the element with this name attribute will be removed from solr.xml. Unloading all cores in a SolrCloud collection causes the removal of that collection's metadata from ZooKeeper. Input Query Parameters Parameter Type Required Default Description core string Yes The name of one of the cores to be removed. deleteIndex boolean No false If true, will remove the index when unloading the core. deleteDataDir boolean No false If true, removes the data directory and all sub-directories. deleteInstanceDir boolean No false If true, removes everything related to the core, including the index directory, configuration files and other related files. async string No Request ID to track this action which will be processed asynchronously MERGEINDEXES The MERGEINDEXES action merges one or more indexes to another index. The indexes must have completed commits, and should be locked against writes until the merge is complete or the resulting merged index may become corrupted. The target core index must already exist and have a compatible schema with the one or more indexes that will be merged to it. Another commit on the target core should also be performed after the merge is complete. http://localhost:8983/solr/admin/cores?action=MERGEINDEXES&core=new_core_name&i ndexDir=/solr_home/core1/data/index&indexDir=/solr_home/core2/data/index Apache Solr Reference Guide 6.0 476
In this example, we use the indexDir parameter to define the index locations of the source cores. The core pa rameter defines the target index. A benefit of this approach is that we can merge any Lucene-based index that may not be associated with a Solr core. Alternatively, we can instead use a srcCore parameter, as in this example: http://localhost:8983/solr/admin/cores?action=mergeindexes&core=new_core_name&s rcCore=core1&srcCore=core2 This approach allows us to define cores that may not have an index path that is on the same physical server as the target core. However, we can only use Solr cores as the source indexes. Another benefit of this approach is that we don't have as high a risk for corruption if writes occur in parallel with the source index. We can make this call run asynchronously by specifying the async parameter and passing a request-id. This id can then be used to check the status of the already submitted task using the REQUESTSTATUS API. Input Query Parameters Parameter Type Required Default Description core string Yes The name of the target core/index. indexDir string Multi-valued, directories that would be merged. srcCore string Multi-valued, source cores that would be merged. async string Request ID to track this action which will be processed asynchronously SPLIT The SPLIT action splits an index into two or more indexes. The index being split can continue to handle requests. The split pieces can be placed into a specified directory on the server's filesystem or it can be merged into running Solr cores. The SPLIT action supports five parameters, which are described in the table below. Input Query Parameters Parameter Type Required Default Description core string Yes The name of the core to be split. path string Multi-valued, the directory path in which a piece of the index will be written. targetCore string Multi-valued, the target Solr core to which a piece of the index will be merged ranges string No A comma-separated list of hash ranges in hexadecimal format split.key string No The key to be used for splitting the index async string No Request ID to track this action which will be processed asynchronously Apache Solr Reference Guide 6.0 477
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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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Page 471 and 472: name=my_core_name Placement of core
Page 473 and 474: CREATE RELOAD RENAME SWAP UNLOAD ME
Page 475: RELOAD The RELOAD action loads a ne
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Page 493 and 494: Managed Resources Managed resources
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in/solr.in.sh example SOLR_SSL_* co
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working through the previous sectio
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{ "responseHeader":{ "status":0, "Q
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SolrCloud Instances In SolrCloud mo
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authentication from Solr, you need
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The backup command is an asynchrono
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In addition to the logging options
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log4j.appender.file.MaxFileSize=100
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MBean Request Handler The MBean Req
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SolrCloud Example Interactive Start
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startup a SolrCloud cluster using t
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Then at query time, you include the
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http://localhost:8983/solr/gettings
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Each shard serves top-level query r
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Write Side Fault Tolerance SolrClou
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Create the instance Creating the in
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Finally, create your myid files in
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Changing ACL Schemes Example Usages
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When solr wants to create a new zno
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set SOLR_ZK_CREDS_AND_ACLS=-DzkDige
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maxShardsPerNode integer No 1 When
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It's possible to edit multiple attr
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Query Parameters Key Type Required
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Create a Shard Shards can only crea
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The CREATEALIAS action will create
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0 603 0 19 0 67 Delete
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http://localhost:8983/solr/admin/co
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The response will include the statu
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0 5007 0 8 0 1 test2_shard
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Key Type Required Description role
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Cluster Status /admin/collections?a
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} } "127.0.1.1:8900_solr"] Request
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0 9 Examining the clusterstate a
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0 123 success Already leader 19
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-z -zkhost -c -collection -d -con
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... ${solr.data.dir:} ... 3. The
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will explain why the request failed
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The nodes are sorted first and the
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Defining Rules Rules are specified
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Updates and deletes are first writt
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Rely on two storages: an ephemeral
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Target Configuration Here is a typi
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core/cdcr?action=QUEUES: Fetches st
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Output { } "responseHeader": { "sta
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{ } responseHeader={ status=0, QTim
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http://localhost:898 ${TargetZk}
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Legacy Scaling and Distribution Thi
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Limitations to Distributed Search D
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0 8 *:* localhost:8983/solr/core1
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Master and Slave Update Optimizatio
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http://remote_host:port/solr/core
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A commit command is issued on the s
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is a large expense, but not nearly
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Apache Solr Reference Guide 6.0 639
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The Solr Wiki contains a list of cl
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pSolrClient , or CloudSolrClient .
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upload using binary format, which i
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}} 'manufacturedate_dt'=>'2005-10-1
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Solr Glossary Where possible, terms
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Literally, N data about data. Metad
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See also #Inverse document frequenc
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A new graph query parser makes it p
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Upgrading a Solr Cluster This page
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proceeding to upgrade the next node
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