Observability
Prometheus Alert Rule Generator
Expression, threshold, and for-duration, turned into a valid Prometheus alerting rule - the for: clause matters as much as the threshold, since without it a single scrape spike fires and clears before anyone can act.
Expression
groups:
- name: example
rules:
- alert: HighErrorRate
expr: rate(http_requests_total{status=~"5.."}[5m]) > 0.05
for: 5m
labels:
severity: critical
annotations:
summary: "Error rate above 5% for 5 minutes"
This is one question. ArchSetu answers it for a whole repository.
Call graph, dead code, blast radius and a health score, in about a minute.
Related tools
All Observability tools →Log Level ReferenceTRACE through FATAL - when to use each level, an example, and production guidance.Alert Threshold CalculatorBaseline mean, std deviation, and a sigma multiplier to a statistically grounded alert threshold.PromQL Rate Query BuilderMetric, labels, range window, aggregation - a syntactically valid rate/irate/increase query.SLO Error Budget CalculatorSLO target, window, and downtime so far - your actual spendable error budget in minutes.Log Query Syntax TranslatorThe same filters, translated into Kibana KQL, Datadog, and Splunk SPL syntax side by side.On-Call Burnout Sustainability CalculatorPages per week and rotation length vs industry health signals.
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