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Logstash

Server-side data processing pipeline for logs

Monitoring & Status ★ 14.9k stars Medium setup Apache-2.0

Logstash is a server-side data processing pipeline that ingests data from many sources, transforms it, and ships it to a stash such as Elasticsearch. It is a core component of the ELK stack.

Key features

  • Flexible ingest pipelines
  • Hundreds of plugins
  • Grok parsing and filters
  • Many input and output types

Pros & cons

Strengths

  • Powerful transformation language
  • Huge plugin library

Trade-offs

  • Heavy JVM footprint
  • Slower than newer agents

Logstash replaces

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