Technologies/Apache Airflow/varnish_sess_linger
Apache AirflowApache AirflowMetric

varnish_sess_linger

This metric is only provided by varnish 3.x.
Dimensions:None
Related Insights (1)
Worker Thread Starvation from Keepalive Mismanagementwarning

Long KeepAliveTimeout values in Apache combined with high concurrent connections can starve worker threads, causing Varnish to see backends as busy or unresponsive even when Apache has available capacity.