Technologies/HAProxy/haproxy_sessions
HAProxyHAProxyMetric

haproxy_sessions

[OpenMetrics V1 and V2] Current number of active sessions.
Dimensions:None
Available on:DatadogDatadog (1)OpenTelemetryOpenTelemetry (1)
Interface Metrics (2)
DatadogDatadog
[OpenMetrics V1 and V2] Current number of active sessions.
Dimensions:None
OpenTelemetryOpenTelemetry
Current sessions. Corresponds to HAProxy's `scur` metric.
Dimensions:None
Sources
haproxy.server.current.sessionsgithub.com
haproxy.sessions.countgithub.com
Related Insights (2)
Frontend Session Limit Saturationcritical

HAProxy frontend reaching maxconn limit causes new connection attempts to timeout, visible as frontend sessions (scur) approaching or equaling configured limit (smax).

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Request Rate Increase Without Session Growth Suggests Retry Stormwarning

Rising haproxy_frontend_http_requests_total without corresponding increase in haproxy_sessions indicates clients are retrying failed requests, potentially creating a feedback loop that exacerbates backend overload.

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