Documentation for automated readers
A curated documentation index is available at: https://grafana.com/llms.txt
A complete documentation index is available at: https://grafana.com/llms-full.txt
These indexes can help with page discovery before fetching individual documents.
This page is also available in Markdown, which may be easier for automated readers and AI tools to parse than HTML. The Markdown version is available at https://grafana.com/docs/grafana-cloud/observe-and-act/monitor-applications/application-observability-kg/service-detail/logs.md, or by sending Accept: text/markdown to https://grafana.com/docs/grafana-cloud/observe-and-act/monitor-applications/application-observability-kg/service-detail/logs/. For broader documentation discovery, the curated index is available at https://grafana.com/llms.txt and the complete index is available at https://grafana.com/llms-full.txt.
Logs
The Logs tab embeds the Grafana Logs Drilldown app, pre-filtered to the selected service. It provides full log exploration capabilities without leaving the service context.
Pre-applied filters
The Logs tab automatically filters by:
service_namespace: the service’s namespaceservice_name: the service’s name
These filters are derived from the service’s OTel resource attributes.
Explore logs
The Logs Drilldown provides:
- Log levels: filter by severity (error, warning, info, debug).
- Fields: filter by structured log fields.
- Line filter: search for specific strings or patterns in log content.
- Patterns: automatically detected log patterns for grouping similar entries.
Sub-tabs
| Tab | Description |
|---|---|
| Logs | The raw log entries matching your filters. |
| Labels | Available label values for the filtered logs. |
| Fields | Structured fields extracted from log entries. |
| Patterns | Automatically detected patterns grouping similar log lines. |
Log volume
The Log volume panel shows the rate of log entries over time, helping identify spikes in logging activity that may correlate with issues.
Open in Logs Drilldown
Click Logs Drilldown in the top right to open the full Logs Drilldown app with the current filters preserved. For complete Logs Drilldown documentation, refer to Explore Logs.
Next steps
- Correlate log spikes with Traces to find the requests that generated errors.
- Check Service overview to see if log volume correlates with latency or error ratio changes.
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