Diagnosing Harvester Log Forwarding Failures to Loki or Elasticsearch
Identify why Harvester isn’t sending logs to Loki or Elasticsearch and follow ordered checks to resolve connection, auth, or config issues.
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elasticsearchGrafana Transformations: Join by Field – Correlate Metrics and Logs in One Panel
Learn how to use Grafana’s Join by Field transformation to merge Prometheus metrics and Loki logs in a single panel, with a concrete example, trade‑offs, and performance tips.
grafana
prometheusGrafana Loki alert rule max_lines truncation behavior unspecified
When configuring a Loki-based alert rule in Grafana, the max_lines parameter limits the number of log lines returned for evaluation. The goal is to determine which subset of lines is kept when the actual result set exceeds this limit, as this decides whether critical error messages are included in the alert condition. The truncation strategy—whether Grafana