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Vespa Search and Inference Platform

repository·master·Indexed 11 days ago

https://github.com/vespa-engine/vespa

A high-performance platform for searching, making inferences, and organizing large-scale data, including vectors, tensors, text, and structured data. The ecosystem includes the Vespa CLI for application management, pyvespa for Python integration, a Query Builder, a Trace Visualizer, and various Maven plugins for ABI stability, OSGi bundle creation, and configuration class generation.

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What's inside Vespa

  3. Overview of Container disc module

    master

    The container-disc module provides the core infrastructure for the JDisc container and its integration layer with jdisc_core. It is designed to manage the lifecycle and execution environment of Vespa components through a configuration-driven architecture.

    Key capabilities include:

    • Core Infrastructure: Handles dependency injection, component management, and the chain pattern.
    • Request Handling: Provides a processing framework for managing request-response cycles.
    • Networking: Includes a Jetty-based HTTP/HTTPS server with support for HTTP/2.
    • API & Management: Features a REST API framework and OSGi bundle management.
    • Observability: Includes built-in metrics and monitoring infrastructure.

  4. Overview of the Component library

    master
    The Component library is a specialized library designed for managing components that require explicit lifecycle management and versioning. It provides the underlying framework for handling how components are initialized, transitioned through different states, and versioned within the Vespa ecosystem.

  6. Overview of the config-lib library

    master

    The config-lib is the base library used for generated cloud configuration classes in Vespa. It serves as the foundation for configuration objects that are used across different versions of the Vespa config server.

    Important Compatibility Note: Because a multi-version config server environment may contain only one version of this library, any changes made to its API or the serialized data format must maintain strict backwards compatibility to ensure stability across the ecosystem.

  7. Overview of the Vespa Config Library

    master
    The Vespa configuration system provides libraries for configuration subscription and the configuration protocol. It allows components to subscribe to configuration changes and interact with the Vespa configuration service. The system is supported via libraries in both C++ and Java.

  8. Overview of Logstash Plugins for Vespa

    master

    Vespa provides Logstash plugins to facilitate data movement between Logstash and Vespa. There are two types of plugins available:

    1. Input Plugins: Used to read data from Vespa into Logstash.
    2. Output Plugins: Used to write data from Logstash into Vespa (e.g., via the Vespa feed API).

    For specific installation instructions, configuration options, and usage details, refer to the README.md file located within the specific plugin directory.

  9. Verify and inspect Vespa configuration with configutil utilities

    master

    Vespa provides specific command-line utilities to verify the validity of your configuration and inspect the resulting model. The two primary tools are:

    1. vespa-config-status: Used for verifying configuration status.
    2. vespa-model-inspect: Used for inspecting the Vespa model.

    These utilities are part of the configutil toolset designed to help developers ensure their configuration is correct before or during deployment.