Jaeger is an open-source, end-to-end distributed tracing system used for monitoring and troubleshooting microservices-based applications. It is a critical tool for developers and DevOps teams, providing insights into application performance and helping identify bottlenecks in distributed systems.

Features of Jaeger:

• End-to-end distributed tracing to monitor requests across microservices.
• Support for root cause analysis by identifying performance bottlenecks.
• Scalable architecture for large, distributed systems.
• Support for multiple storage backends like Elasticsearch, Cassandra, and Kafka.
• Built-in UI for visualizing trace data and analyzing service dependencies.
• Open-source and extensible for integration with custom tools and workflows.

To get started with Jaeger, you can install it using Docker or download the binaries. After installation, you can access the Jaeger UI at http://localhost:16686 to view and analyze traces.

Disclaimer: Jaeger is released under the Apache License 2.0. Users are responsible for understanding the licensing terms and ensuring compliance. Jaeger is provided "as is" without any warranty.