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.\" Generated by Mmark Markdown Processer - mmark.miek.nl
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.TH "COREDNS-FORWARD" 7 "August 2020" "CoreDNS" "CoreDNS Plugins"
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.TH "COREDNS-FORWARD" 7 "September 2020" "CoreDNS" "CoreDNS Plugins"
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.SH "NAME"
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.PP
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@@ -174,10 +174,14 @@ If monitoring is enabled (via the \fIprometheus\fP plugin) then the following me
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\fB\fCcoredns_forward_healthcheck_broken_total{}\fR - counter of when all upstreams are unhealthy,
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and we are randomly (this always uses the \fB\fCrandom\fR policy) spraying to an upstream.
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.IP \(bu 4
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\fB\fCmax_concurrent_rejects_total{}\fR - counter of the number of queries rejected because the
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\fB\fCcoredns_forward_max_concurrent_rejects_total{}\fR - counter of the number of queries rejected because the
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number of concurrent queries were at maximum.
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.IP \(bu 4
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\fB\fCcoredns_forward_conn_cache_hits_total{to, proto}\fR - counter of connection cache hits per upstream and protocol.
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.IP \(bu 4
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\fB\fCcoredns_forward_conn_cache_misses_total{to, proto}\fR - counter of connection cache misses per upstream and protocol.
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Where \fB\fCto\fR is one of the upstream servers (\fBTO\fP from the config), \fB\fCrcode\fR is the returned RCODE
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from the upstream.
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from the upstream, \fB\fCproto\fR is the transport protocol like \fB\fCudp\fR, \fB\fCtcp\fR, \fB\fCtcp-tls\fR.
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.SH "EXAMPLES"
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