Technologies/HAProxy/haproxy_backend_active_servers
HAProxyHAProxyMetric

haproxy_backend_active_servers

[OpenMetrics V1 and V2] Current number of active servers.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
[OpenMetrics V1 and V2] Current number of active servers.
Dimensions:None
Sources
haproxy.backend.active.serversgithub.com
Related Insights (2)
Server Health Check Flapping Indicates Network Instabilitywarning

Frequent status changes between UP and DOWN for backend servers, visible in haproxy_server_status transitions, indicates network instability or overly aggressive health check timeouts.

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503 Errors with All Servers UP Reveals Routing Misconfigurationcritical

HAProxy returning 503 Service Unavailable responses while haproxy_backend_active_servers shows healthy backends indicates ACL or routing logic preventing requests from reaching any valid backend.

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