DevOps Intermediate

What is Log Aggregation?

The process of collecting, centralizing, and indexing log data from multiple sources for unified search and analysis.

In distributed systems, logs are scattered across many servers and services. Log aggregation collects them into a central platform for searching, filtering, alerting, and visualization. This is essential for debugging and monitoring.

The ELK Stack (Elasticsearch, Logstash, Kibana) is the most popular open-source solution. Alternatives include Grafana Loki, Splunk, and Datadog Logs. Structured logging (JSON format) makes logs easier to query and analyze.

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