Reduce sensitivity of render rate alarm

diff --git a/cookbooks/prometheus/templates/default/alert_rules.yml.erb b/cookbooks/prometheus/templates/default/alert_rules.yml.erb
index 3618f1461ff485b666b8eb26c510cca2f95760ce..367e07650255de3383d13955ea1b73325bf3fc8d 100644 (file)
--- a/cookbooks/prometheus/templates/default/alert_rules.yml.erb
+++ b/cookbooks/prometheus/templates/default/alert_rules.yml.erb
@@ -639,8 +639,8 @@ groups:
         annotations:
           miss_rate: "{{ $value | humanizePercentage }}"
       - alert: tile render rate
-        expr: sum(rate(renderd_zoom_metatiles_total[5m])) by (instance) < 1
-        for: 5m
+        expr: sum(rate(renderd_zoom_metatiles_total[5m])) by (instance) == 0
+        for: 15m
         labels:
           alertgroup: tile
         annotations: