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alertmanager: stop 5-minute alert spam #1024

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Merged
Flotapponnier merged 1 commit into from
Jul 9, 2026
Merged

alertmanager: stop 5-minute alert spam #1024

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13 changes: 9 additions & 4 deletions infrastructure/monitoring/alertmanager/alertmanager.yml.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,15 @@ global:
resolve_timeout: 5m

route:
group_by: ['alertname', 'chain', 'aggregator']
group_wait: 10s
group_interval: 30s
repeat_interval: 5m
# Group by alertname ONLY: one Slack message listing every (provider,
# chain) pair instead of 7 parallel groups each re-notifying on its own
# clock. repeat_interval 5m -> 12h: a still-firing alert is a reminder,
# not a new event (2026-07-09: RpcProviderErrorRate spammed the channel
# every 5 minutes for hours).
group_by: ['alertname']
group_wait: 30s
group_interval: 15m
repeat_interval: 12h
# Default: dedicated OCB Slack channel (direct incoming webhook).
receiver: 'slack-direct'
routes:
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