add postgres_exporter slow queries metric

metal-stack / helm-charts

Contains metal-stack Helm charts

MIT License

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Closed TLINDEN closed 6 months ago

TLINDEN commented 1 year ago

The metric contains 2 values:

queries_count: count of currently running slow queries
query_time_avg: average time in milliseconds over all currently running slow queries

A slow query is defined as running longer than 500ms.