Logstash

Logstash is an open source server-side data processing pipeline that centralizes, transforms, and routes logs, events, and other data. It efficiently ingests information from various sources and applies transformation rules to output data to your preferred storage or analytical tool.

Logstash is the open source alternative to:

ElasticSearch

DataDog

Splunk

Tableau

About Logstash

Logstash ingests data from a multitude of sources such as logs, metrics, web applications, and data stores in a continuous, streaming fashion. With a rich library of filters—including grok for parsing and IP-to-geo transformations—it cleans, structures, and tailors your data for analysis. The pipeline’s durability is ensured by its persistent queue and at-least-once delivery, while centralized management and monitoring features provide full deployment visibility.

Key Features

Dynamic ingestion from diverse data sources
Extensive filtering and transformation capabilities with over 200 plugins
Persistent queue for reliable, at-least-once delivery
Centralized pipeline management with a user-friendly UI
Robust security and scalability during high-throughput events

Representation of core functionalities

Rendering mind map...

mindmap Logstash Core Pipeline Components Pipeline System Java Pipeline Event Processing Queue System Memory Queue Persistent Queue Dead Letter Queue Plugin System Plugin Base Plugin Registry Plugin Management Universal Plugin Input/Filter/Output Input Base Filter Base Output Base Codec Base Infrastructure Configuration Management Config Parser Settings Pipeline Config Configuration Files logstash.yml jvm.options pipelines.yml API Layer API Modules API Commands Rack App Monitoring System Monitoring Core Metrics Collection Monitoring API Execution Framework Agent Runner Execution Context Security License Checker Secret Store Keystore Logging System Logging Framework Log4j Configuration External Integrations Elastic Stack Elasticsearch Kibana X-Pack Features Plugin Ecosystem Ruby Gems Java Plugins Custom Plugins Support Systems Operational Health Monitoring API Server Development Testing Framework Build System Documentation

This is the mind map that represents the core functionality of the application. It focuses on the key features and functionalities of the application and provides a visual representation of how they are interrelated.

Summary

Logstash delivers a flexible, reliable solution for real-time data ingestion and transformation. Its powerful pipeline framework and extensive plugin ecosystem empower users to convert unstructured data into structured insights, supported by robust durability and monitoring capabilities.

Related Open Source Tools

Meilisearch

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

49,686

View tool →

NetData

X-Ray Vision for your infrastructure!

73,717

View tool →

Grafana

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

66,899

View tool →