Graylog2-server is an open-source centralized log management system and aggregator. It functions as a log analysis platform designed to collect, index, and analyze log data from multiple sources within a centralized searchable index.
The system provides capabilities for enterprise log aggregation and infrastructure monitoring. It enables the gathering of logs from various servers and applications to facilitate log data analysis and root cause troubleshooting across a network.
The platform utilizes a distributed indexing pipeline and message-queue based ingestion to handle log streams. It incorporates a plugin-based input processing system to normalize raw text into structured fields and employs role-based access control to manage data visibility and system permissions.