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Ben Kochie 9edfaed631
Reduce the cardinality of health endpoint metrics (#4650) 
The health endpoint histogram has a large amount of cardinality for a
simple endpoint. Introduce a new "Slim" set of buckets for `/health` to
reduce the metrics load on large deployments. Especially those that have
per-node DNS caching services.

Add a metric to count internal health check failures rather than use the
timeout value as side effect monitor of the check error. This avoids
incorrectly recording the timeout value if there is an error that is not
a timeout (ex. refused)

Signed-off-by: SuperQ <superq@gmail.com>
2021-05-27 15:16:38 +02:00
..
acl reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
any docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
auto reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
autopath reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
azure d-Updated Azure plugin NS record (#4383) 2021-01-11 14:58:56 -08:00
bind plugin/bind: exclude interface or ip address (#4543) 2021-03-25 16:38:17 +01:00
bufsize For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
cache reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
cancel docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
chaos For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
clouddns fix record missing for zone with many of records (#4328) 2021-01-12 13:38:18 +01:00
debug docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
deprecated For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
dns64 docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
dnssec reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
dnstap Fix import ordering presubmit test (#4422) 2021-01-24 17:28:49 +00:00
erratic docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
errors Speed up testing (#4239) 2020-10-30 10:27:04 +01:00
etcd reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
file Revert "plugin/file: Fix in wrong answers returned when wildcard and concrete records exist (#4599)" (#4633) 2021-05-20 16:25:18 -04:00
forward deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
grpc deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
health Reduce the cardinality of health endpoint metrics (#4650) 2021-05-27 15:16:38 +02:00
hosts reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
import docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
k8s_external reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
kubernetes plugin/kubernetes: consistently choose EndpointSlices or Endpoints for unstable API (#4647) 2021-05-27 08:48:52 -04:00
loadbalance For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
local add local plugin (#4262) 2020-11-05 15:02:07 +01:00
log Remove newlines between braces (#4279) 2020-11-11 18:45:01 +01:00
loop deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
metadata reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
metrics reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
minimal plugin/minimal: fix import path (#4523) 2021-03-16 10:55:21 +01:00
nsid docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
pkg deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
pprof docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
ready dont return 200 during shutdown (#4167) 2020-10-01 16:13:23 +02:00
reload docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
rewrite plugin/rewrite: streamline the ResponseRule handling. (#4473) 2021-05-04 10:05:45 +02:00
root For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
route53 Use cancelable contexts for cloud provider plugin refreshes (#4226) 2020-10-24 14:37:01 +02:00
secondary reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
sign reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
template reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
test Rewrite SRV targets and additional names in response (#4287) 2021-02-23 10:12:40 +01:00
tls docs: move Also See to See Also (#4245) 2020-10-28 10:56:35 -07:00
trace plugin/trace - Use compatible tag name for datadog (#4408) 2021-01-28 16:38:24 +01:00
transfer reverse zone: fix Normalize (#4621) 2021-05-17 13:19:54 -07:00
whoami For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00
backend.go Cherry-pick: Implement notifies for transfer plugin (#3972) (#4142) 2020-09-24 20:30:39 +02:00
backend_lookup.go plugin/etcd: Fix inconsistent names of glue records with TargetStrip (#4595) 2021-05-03 08:48:51 -07:00
done.go go report card fixes (#3182) 2019-08-24 18:14:25 +00:00
log_test.go Clean up tests logging (#1979) 2018-07-19 16:23:06 +01:00
normalize.go deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
normalize_test.go deprecate Normalize and MustNormalize (#4648) 2021-05-27 13:26:14 +02:00
plugin.go Reduce the cardinality of health endpoint metrics (#4650) 2021-05-27 15:16:38 +02:00
register.go For caddy v1 in our org (#4018) 2020-09-24 18:14:41 +02:00