Solr Ref Guide 8.0
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    • Lucene/Solr Source Code
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    • Apache Solr Reference Guide
    • About This Guide
    • Getting Started
      • Solr Tutorial
      • A Quick Overview
      • Solr System Requirements
      • Installing Solr
    • Deployment and Operations
      • Solr Control Script Reference
      • Solr Configuration Files
      • Taking Solr to Production
      • Making and Restoring Backups
      • Running Solr on HDFS
      • SolrCloud on AWS EC2
      • Upgrading a Solr Cluster
        • IndexUpgraderTool
      • Solr Upgrade Notes
        • Major Changes in Solr 8
        • Major Changes in Solr 7
        • Major Changes from Solr 5 to Solr 6
    • Using the Solr Administration User Interface
      • Overview of the Solr Admin UI
      • Logging
      • Cloud Screens
      • Collections / Core Admin
      • Java Properties
      • Thread Dump
      • Suggestions Screen
      • Collection-Specific Tools
        • Analysis Screen
        • Dataimport Screen
        • Documents Screen
        • Files Screen
        • Query Screen
        • Stream Screen
        • Schema Browser Screen
      • Core-Specific Tools
        • Ping
        • Plugins & Stats Screen
        • Replication Screen
        • Segments Info
    • Documents, Fields, and Schema Design
      • Overview of Documents, Fields, and Schema Design
      • Solr Field Types
        • Field Type Definitions and Properties
        • Field Types Included with Solr
        • Working with Currencies and Exchange Rates
        • Working with Dates
        • Working with Enum Fields
        • Working with External Files and Processes
        • Field Properties by Use Case
      • Defining Fields
      • Copying Fields
      • Dynamic Fields
      • Other Schema Elements
      • Schema API
      • Putting the Pieces Together
      • DocValues
      • Schemaless Mode
    • Understanding Analyzers, Tokenizers, and Filters
      • Analyzers
      • About Tokenizers
      • About Filters
      • Tokenizers
      • Filter Descriptions
      • CharFilterFactories
      • Language Analysis
      • Phonetic Matching
      • Running Your Analyzer
    • Indexing and Basic Data Operations
      • Introduction to Solr Indexing
      • Post Tool
      • Uploading Data with Index Handlers
        • Transforming and Indexing Custom JSON
      • Indexing Nested Child Documents
      • Uploading Data with Solr Cell using Apache Tika
      • Uploading Structured Data Store Data with the Data Import Handler
      • Updating Parts of Documents
      • Detecting Languages During Indexing
      • De-Duplication
      • Content Streams
      • Reindexing
    • Searching
      • Overview of Searching in Solr
      • Velocity Search UI
      • Relevance
      • Query Syntax and Parsing
        • Common Query Parameters
        • The Standard Query Parser
        • The DisMax Query Parser
        • The Extended DisMax (eDismax) Query Parser
        • Function Queries
        • Local Parameters in Queries
        • Other Parsers
      • JSON Request API
        • JSON Query DSL
      • JSON Facet API
        • JSON Faceting Domain Changes
      • Faceting
        • BlockJoin Faceting
      • Highlighting
      • Spell Checking
      • Query Re-Ranking
        • Learning To Rank
      • Transforming Result Documents
      • Searching Nested Child Documents
      • Suggester
      • MoreLikeThis
      • Pagination of Results
      • Collapse and Expand Results
      • Result Grouping
      • Result Clustering
      • Spatial Search
      • The Terms Component
      • The Term Vector Component
      • The Stats Component
      • The Query Elevation Component
      • The Tagger Handler
      • Response Writers
        • Velocity Response Writer
      • Near Real Time Searching
      • RealTime Get
      • Exporting Result Sets
      • Parallel SQL Interface
        • Solr JDBC - DbVisualizer
        • Solr JDBC - SQuirreL SQL
        • Solr JDBC - Apache Zeppelin
        • Solr JDBC - Python/Jython
        • Solr JDBC - R
      • Analytics Component
        • Analytics Expression Sources
        • Analytics Mapping Functions
        • Analytics Reduction Functions
    • Streaming Expressions
      • Stream Source Reference
      • Stream Decorator Reference
      • Stream Evaluator Reference
      • Math Expressions
        • Scalar Math
        • Vector Math
        • Variables
        • Matrices and Matrix Math
        • Streams and Vectorization
        • Text Analysis and Term Vectors
        • Statistics
        • Probability Distributions
        • Monte Carlo Simulations
        • Time Series
        • Linear Regression
        • Interpolation, Derivatives and Integrals
        • Curve Fitting
        • Digital Signal Processing
        • Machine Learning
        • Computational Geometry
      • Graph Traversal
    • SolrCloud
      • Getting Started with SolrCloud
      • How SolrCloud Works
        • Shards and Indexing Data in SolrCloud
        • Distributed Requests
        • Time Routed Aliases
      • SolrCloud Resilience
        • SolrCloud Recoveries and Write Tolerance
        • SolrCloud Query Routing And Read Tolerance
      • SolrCloud Configuration and Parameters
        • Setting Up an External ZooKeeper Ensemble
        • Using ZooKeeper to Manage Configuration Files
        • ZooKeeper Access Control
        • Collections API
        • Parameter Reference
        • Command Line Utilities
        • SolrCloud with Legacy Configuration Files
        • Configsets API
      • Rule-based Replica Placement
      • Cross Data Center Replication (CDCR)
        • CDCR Architecture
        • CDCR Configuration
        • Cross Data Center Replication Operations
        • CDCR API
      • SolrCloud Autoscaling
        • Overview of SolrCloud Autoscaling
        • Autoscaling Policy and Preferences
        • SolrCloud Autoscaling Triggers
        • SolrCloud Autoscaling Trigger Actions
        • SolrCloud Autoscaling Listeners
        • SolrCloud Autoscaling Automatically Adding Replicas
        • SolrCloud Autoscaling Fault Tolerance
        • Autoscaling API
        • Migrating Rule-Based Replica Rules to Autoscaling Policies
      • Colocating Collections
    • Legacy Scaling and Distribution
      • Introduction to Scaling and Distribution
      • Distributed Search with Index Sharding
      • Index Replication
      • Combining Distribution and Replication
      • Merging Indexes
    • The Well-Configured Solr Instance
      • Configuring solrconfig.xml
        • DataDir and DirectoryFactory in SolrConfig
        • Resource and Plugin Loading
        • Schema Factory Definition in SolrConfig
        • IndexConfig in SolrConfig
        • RequestHandlers and SearchComponents in SolrConfig
        • InitParams in SolrConfig
        • UpdateHandlers in SolrConfig
        • Query Settings in SolrConfig
        • RequestDispatcher in SolrConfig
        • Update Request Processors
        • Codec Factory
      • Solr Cores and solr.xml
        • Format of solr.xml
        • Defining core.properties
        • CoreAdmin API
        • Config Sets
      • Configuration APIs
        • Blob Store API
        • Config API
        • Request Parameters API
        • Managed Resources
      • Implicit RequestHandlers
      • Solr Plugins
        • Adding Custom Plugins in SolrCloud Mode
      • JVM Settings
      • v2 API
    • Monitoring Solr
      • Metrics Reporting
      • Metrics History
      • MBean Request Handler
      • Configuring Logging
      • Using JMX with Solr
      • Monitoring Solr with Prometheus and Grafana
      • Performance Statistics Reference
    • Securing Solr
      • Authentication and Authorization Plugins
        • Basic Authentication Plugin
        • Hadoop Authentication Plugin
        • Kerberos Authentication Plugin
        • Rule-Based Authorization Plugin
      • Enabling SSL
    • Client APIs
      • Introduction to Client APIs
      • Choosing an Output Format
      • Client API Lineup
      • Using JavaScript
      • Using Python
      • Using SolrJ
      • Using Solr From Ruby
    • Further Assistance
    • Solr Glossary
    • Errata
    • How to Contribute to Solr Documentation

    Errata

    Errata For This Documentation

    Any mistakes found in this documentation after its release will be listed on the on-line version of this page:

    https://lucene.apache.org/solr/guide/8.0/errata.html

    Errata For Past Versions of This Documentation

    Any known mistakes in past releases of this documentation will be noted below.

    Solr Glossary How to Contribute to Solr Documentation
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