Log aggregation basics
Topic: Monitoring basics
Summary
Collect logs from many hosts or containers into one system. Search and alert on patterns. Use when you need central search and retention for logs.
Intent: How-to
Quick answer
- Ship logs with agent to central store. Use Elasticsearch, Loki, or cloud logging.
- Search by time, host, level. Create alerts on patterns.
- Set retention. Control cost. Secure access.
Prerequisites
Steps
-
Ship logs
Deploy agent. Configure destination. Verify logs arrive.
-
Search and alert
Search by time and fields. Alerts on error rate or pattern.
-
Retention
Set retention. Secure access.
Summary
Ship logs to central store. Search and alert. Set retention.
Prerequisites
Steps
Step 1: Ship logs
Deploy agent. Configure destination. Verify.
Step 2: Search and alert
Search and filter. Create alerts.
Step 3: Retention
Set retention. Secure access.
Verification
- Logs in central store. Search and alerts work.
Troubleshooting
Logs missing — Check agent and network. Cost high — Reduce retention or sample.