Technologies/Varnish/varnish_sess_drop
VarnishVarnishMetric

varnish_sess_drop

Client connections dropped due to lack of worker thread. This metric is only provided by varnish 4.x and 5.x.
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
Client connections dropped due to lack of worker thread. This metric is only provided by varnish 4.x and 5.x.
Dimensions:None
Sources
varnish.sess_dropgithub.com
Related Insights (1)
Session Drop Rate Indicates Connection Queue Exhaustioncritical

Elevated varnish_sess_drop signals that Varnish is rejecting connections due to worker thread exhaustion or queue overflow, often caused by slow backend responses keeping workers occupied.

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