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.
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