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Getting started
Vespa Overview
Features
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Getting Started with Ranking
Vespa API and Interfaces
Frequently Asked Questions - FAQ
Tenants, Apps and Instances
Glossary
Tutorials and quick starts
News Tutorials
News 1: Getting Started
News 2: Application Packages, Feeding, Query
News 3: Sorting, Grouping and Ranking
News 4: Embeddings
News 5: Partial Updates, ANNs, Filtering
News 6: Custom Searchers, Document Processors
News 7: Parent-Child, Tensor Ranking
Models Hot Swap
Text Search
Hybrid Text Search
Text Search ML
Quick Start
Quick Start Java
Schemas and documents
Documents
Parent/Child
Annotations API
Concrete document types
Exposing schema information
Reindexing
Reading and writing
/document/v1
Visiting
Vespa Feed Client
Indexing
Document API
Partial Updates
Batch delete
Feed block
Querying
Vespa Query Language
Grouping Information in Results
Federation
Query Profiles
Nearest Neighbor Search
Approximate Nearest Neighbor Search
Nearest Neighbor Search Guide
Text matching
Geo Search
Predicate Fields
Streaming Search
Document Summaries
Result Renderers
Page Templates
Result Diversity
Ranking and ML models
Rank Features and Expressions
Embedding
Multivalue Query Operators
Tensor User Guide
Tensor Examples
Phased Ranking
Searcher Re-Ranking
Cross-Encoder Transformer Ranking
Ranking With TensorFlow Models
Ranking With ONNX Models
Ranking With XGBoost Models
Ranking With LightGBM Models
Stateless Model Evaluation
Ranking With BM25
Significance Model
Ranking With nativeRank
Accelerated OR search using the WAND algorithm
Model Hub
Linguistics and text processing
Query Rewriting
Troubleshooting character encoding
Lucene Linguistics
Applications and components
Developer Guide
Unit Testing
Testing
Testing Reference
Testing Reference Java
Java Serving Container
Container Components
Request-Response Processing
Searcher Development
Document Processor Development
Developing Web Service Applications
Component Injection
Chained Components
Configuring Java components
Bundles
Using ZooKeeper
Developing request handlers
Building an HTTP API using request handlers and processors
Configuring Http Servers and Filters
Using Libraries for Pluggable Frameworks
Developing server providers
Server Tutorial
LLMs in Vespa
Local LLMs in Vespa
External LLMs in Vespa
RAG in Vespa
Document enrichment with LLMs
Content and elasticity
Proton
Content Nodes and States
Consistency Model
Distribution Algorithm
Buckets
Performance and tuning
Practical performance guide
Serving Sizing Guide
Feed Sizing Guide
Sizing Examples
Binarizing Vectors
Document Attributes
Benchmarking
Benchmarking with Vespa Cloud
Memory Visualizer
Profiling
Container Tuning
Rate-Limiting Search Requests
Graceful Query Coverage Degradation
Caches
HTTP Performance Testing
HTTP Best Practices
HTTP/2
Feature Tuning
Valgrind
Operations - Vespa Cloud
Archive
Archive Guide AWS
Archive Guide GCP
Autoscaling
Data management and backup
Cloning applications and data
Migrating to Vespa Cloud
Migrating from ElasticSearch to Vespa
Index bootstrap
Monitoring
Notifications
Deleting applications
Enclave - bring your own cloud
AWS getting started
AWS architecture
GCP getting started
GCP architecture
Operations
Private endpoints
Production deployment
Topology and resizing
Operations - Vespa OSS
Metrics
Logs
Access Logging
Multinode Systems
Files, Processes, Ports, Environment
Node Setup
Content node recovery
Using Kubernetes with Vespa
Securing a Vespa installation
mTLS
Configuration Servers
Live Vespa upgrade procedure
Config Sentinel
Config Proxy
Docker Containers
Vespa Command-line Tools
Docker Containers GPU setup
Service Location Broker
Change from attribute to index procedure
Container
Monitoring
Routing
Security
Security Guide
Secret Store
Cloudflare Workers
Security Whitepaper
Configuration reference
Schema Reference
services.xml
services.xml - admin
services.xml - container
services.xml - content
services.xml - docproc
services.xml - http
services.xml - processing
services.xml - search
hosts.xml
validation-overrides.xml
Indexing Language Reference
Custom Configuration File Reference
mTLS Reference
Internal Configuration File Reference
Healthchecks Reference
/state/v1 API Reference
Deploy API
HTTP Config API
/application/v2/tenant API Reference
/cluster/v2 API Reference
/metrics/v1 API Reference
/metrics/v2 API Reference
/prometheus/v1 API Reference
Ranking and ML models reference
Tensor Evaluation Reference
nativeRank Reference
Rank Feature Reference
String Segment Match
Rank Feature Configuration
Rank Types
Stateless Model Reference
Embedding Model Reference
Queries and results reference
Query Language Reference
Simple Query Language Reference
Select Reference
Grouping Reference
Sorting Reference
Query Profile Reference
Semantic Rule Language Reference
Default JSON Result Format
Page Templates Syntax
Page Result Format
Inspecting Structured Data in a Searcher
Low-level request handler APIs
Document API reference
Document JSON Format
Document Field Path Syntax
Document Selector Language
Component reference
Metrics reference
Default Metric Set Reference
Container Metrics Reference
Distributor Metrics Reference
Searchnode Metrics Reference
Storage Metrics Reference
Configserver Metrics Reference
Logd Metrics Reference
Node Admin Metrics Reference
Slobrok Metrics Reference
Clustercontroller Metrics Reference
Sentinel Metrics Reference
Metric Units Reference
Utilities and libraries
Predicate Search Java Library
pyvespa: Getting Started
Contributing
Build and install Vespa
Documentation Conventions
NodeAdmin Metrics
Name
Unit
Description
endpoint.certificate.expiry.seconds
second
Time until node endpoint certificate expires
node-certificate.expiry.seconds
second
Time until node certificate expires