Elasticsearch is a distributed search and analytics engine designed for fast data retrieval and analysis. In a streaming ETL (Extract, Transform, Load) workflow, Elasticsearch serves as a powerful destination for storing and querying transformed data. Its ability to handle large datasets with low-latency search makes it ideal for powering real-time analytics, logging, and monitoring applications.

• Searchable Data Repository: Load transformed streaming data into Elasticsearch to create a searchable index for real-time access.

• Log and Event Analysis: Ingest logs or event data through ETL pipelines and use Elasticsearch to analyze system performance or detect anomalies.
• Real-Time Dashboards: Connect Elasticsearch to visualization tools like Kibana to deliver real-time insights on operational metrics or user behavior.
• Multi-Source Correlation: Aggregate data from multiple sources into Elasticsearch for unified search and analytics capabilities.