what is a document in solr

by Jared Weissnat Published 2 years ago Updated 2 years ago

Solr Terminology: Understanding the Basic Concepts Used in Solr

Document A document is a basic unit of information in Solr that can be stored and indexed. ...
Field The field stores the data in a document holding a key-value pair, where key states the field name and value the actual field data. ...
Collection A Solr Collection is a group of shards/cores that form a single logical index. ...
Shard ...
Node ...
Replica ...
Leaders ...
Cluster ...

In Solr, a Document is the unit of search and index. An index consists of one or more Documents, and a Document consists of one or more Fields. In database terminology, a Document corresponds to a table row, and a Field corresponds to a table column.

Full Answer

What is an index in Solr?

Solr stores this index in a directory called index in the data directory. In Solr, a Document is the unit of search and index. An index consists of one or more Documents, and a Document consists of one or more Fields. In database terminology, a Document corresponds to a table row, and a Field corresponds to a table column.

Does Solr give information about how the score is calculated?

Although Solr gives information about how the score for each document was calculated, the format that is uses to provide this information is horrendous. This is an example of how the explain information for a given document looks like:

What is a field in Solr?

The field stores the data in a document holding a key-value pair, where key states the field name and value the actual field data. Solr supports different field types: float, long, double, date, date, text, integer, boolean, etc.

How can I extract data from a database using Solr?

This request handler parses incoming files with Tika and extracts fields that you need to index. You can also import data from a database, emails, RSS feeds, XML data, plain text files, etc. Solr has a plugin called the DataImportHandler, which can fetch data from a database and index it, using column names as document field names.

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1.What are Solr documents? – Technical-QA.com

Url:https://technical-qa.com/what-are-solr-documents/

10 hours ago In Solr, a Document is the unit of search and index. An index consists of one or more Documents, and a Document consists of one or more Fields. In database terminology, a Document corresponds to a table row, and a Field corresponds to a table column.

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2.tomcat - What is document in SOLR terminology? - Stack Overflow

Url:https://stackoverflow.com/questions/17367764/what-is-document-in-solr-terminology

34 hours ago · I am new to SOLR and reading its documentation. I am not able to figure out what they mean when they use term document. It almost felt like record initially but then more i read …

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3.Understanding scoring of documents in Solr - Brown University

Url:https://library.brown.edu/create/digitaltechnologies/understanding-scoring-of-documents-in-solr/

13 hours ago · This post is an introduction on how to interpret the ranking (scoring) that Solr reports for documents returned in a search. Requesting Solr “explain” information When …

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4.What is Solr - Solr Tutorial

Url:https://solr-tutorial.com/what-is-solr.html

4 hours ago A Solr index accepts data from many sources, such as XML, CSV, Word, or PDF files. Solr instead of searching in the text itself, performs the search for the keyword searched in the index, and …

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5.Documents Screen | Apache Solr Reference Guide 6.6

Url:https://solr.apache.org/guide/6_6/documents-screen.html

16 hours ago · When using the XML document type, the functionality is similar to using a requestHandler on the command line. Instead of putting the documents in a curl command, …

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6.Documents Screen | Apache Solr Reference Guide 8.11

Url:https://solr.apache.org/guide/8_11/documents-screen.html

10 hours ago · Change the request handler to /update/extract to use Solr Cell. Document Type: Select the Document Type to define the format of document to load. The remaining …

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7.Basic Solr Concepts - Solr Tutorial.com

Url:https://www.solrtutorial.com/basic-solr-concepts.html

27 hours ago In Solr, a Document is the unit of search and index. An index consists of one or more Documents, and a Document consists of one or more Fields. In database terminology, a Document …

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8.What does "documents" and "cores" mean in SOLR? And how can i …

Url:https://stackoverflow.com/questions/19464648/what-does-documents-and-cores-mean-in-solr-and-how-can-i-use-them

26 hours ago · Based on a relational database analogy i would like to know how Solr fits into place. Based on what i figured so far, "documents" in Solr are similar to "rows" in sql (if my sql table …

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9.Apache Solr - Overview - tutorialspoint.com

Url:https://www.tutorialspoint.com/apache_solr/apache_solr_overview.htm

33 hours ago We enter documents in Solr in file formats like XML, JSON and .CSV and get results in the same file formats. Full text search − Solr provides all the capabilities needed for a full text search …

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10.Getting Started with Apache Solr - Sematext

Url:https://sematext.com/guides/solr/

20 hours ago Before diving into the process of how Solr works, it’s important to understand the key terms used when working with Solr, from cores to documents, nodes, shards and more. Document A …

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