Technologies/CoreDNS/coredns_request_time_seconds
CoreDNSCoreDNSMetric

coredns_request_time_seconds

[OpenMetrics V2] sample duration to process each query
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
[OpenMetrics V2] sample duration to process each query
Dimensions:None
Sources
coredns.request_duration.seconds.bucketgithub.com
Related Insights (2)
Intermittent DNS Failures from ndots Search Amplificationwarning

High ndots setting (default 5) causes excessive DNS queries as each name is tried with all search domains before FQDN lookup, leading to DNS cache stampede and intermittent failures during pod scaling events.

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Shared CPU Droplet Impact on CoreDNS Stabilitywarning

CoreDNS running on shared CPU instances experiences intermittent slowness due to CPU steal, particularly during neighbor workload spikes, causing unpredictable DNS latency that's difficult to attribute.

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