CoreDNS View
The CoreDNS view displays the request, response, and cache status for load domain name resolution.
Metric Description
You can view CoreDNS metrics in the following table.
|
Metric |
Unit |
Description |
|---|---|---|
|
Requests |
N/A |
The number of requests CoreDNS receives per second. |
|
Requests (Type) |
N/A |
The number of requests CoreDNS receives per second by each request type. |
|
Requests (Zone) |
N/A |
The number of requests CoreDNS receives per second by each zone. |
|
Requests (DO Bit) |
N/A |
The number of requests with the DO bit CoreDNS receives per second. |
|
Request Packet (UDP) |
byte |
P99, P90, and P50 latencies of UDP packets CoreDNS receives. |
|
Request Packet (TCP) |
byte |
P99, P90, and P50 latencies of TCP packets CoreDNS receives. |
|
Responses (Status Code) |
N/A |
The number of responses CoreDNS sends per second by status code. |
|
Response Latency |
ms |
P99, P90, and P50 latencies of CoreDNS. |
|
Response Packet (UDP) |
byte |
P99, P90, and P50 latencies of UDP packets CoreDNS sends. |
|
Response Packet (TCP) |
byte |
P99, P90, and P50 latencies of TCP packets CoreDNS sends. |
|
Cache Records |
N/A |
The number of DNS records cached by CoreDNS. |
|
Cache Hit Ratio |
N/A |
The number of CoreDNS cache hits per second. |
Metric List
The following is the metric list of the CoreDNS view.
|
Metric |
Type |
Description |
|---|---|---|
|
coredns_dns_request_count_total |
Counter |
Cumulative count of DNS requests made per zone, protocol, and family. |
|
coredns_dns_requests_total |
Counter |
Number of DNS requests made per zone, protocol, and family. |
|
coredns_dns_request_type_count_total |
Counter |
Cumulative count of DNS requests per type. |
|
coredns_dns_request_do_count_total |
Counter |
Cumulative count of requests with the DO bit set. |
|
coredns_dns_do_requests_total |
Counter |
The number of requests with the DO bit set. |
|
coredns_dns_request_size_bytes_bucket |
Histogram |
The number of CoreDNS request bytes. |
|
coredns_dns_response_rcode_count_total |
Counter |
Cumulative count of response status codes. |
|
coredns_dns_responses_total |
Counter |
The number of response status codes. |
|
coredns_dns_request_duration_seconds_bucket |
Histogram |
CoreDNS request latency. |
|
coredns_dns_response_size_bytes_bucket |
Histogram |
Size of the returned response in bytes. |
|
coredns_cache_size |
Gauge |
Cache size. |
|
coredns_cache_hits_total |
Counter |
The number of cache hits. |
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