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[모니터링] trace 에 tail sampling 달기 #247

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Mar 28, 2024
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[모니터링] trace 에 tail sampling 달기 #247

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84 changes: 82 additions & 2 deletions infra/helm/monitoring/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,46 @@ openobserve-collector:
metric:
- resource.attributes["k8s.namespace.name"]!=nil and resource.attributes["k8s.namespace.name"]!="scc"
- resource.attributes["namespace"]!=nil and resource.attributes["namespace"]!="scc"
tail_sampling:
decision_wait: 10s
num_traces: 100
expected_new_traces_per_sec: 10
policies: [
{
# Rule 1: low sampling for readiness/liveness probes
name: team_a-probe,
type: and,
and:
{
and_sub_policy:
[
{
# filter by route
name: route-live-ready-policy,
type: string_attribute,
string_attribute:
{
key: http.route,
values: [ /livez, /readyz, /** ],
enabled_regex_matching: false,
},
},
{
# apply probabilistic sampling
name: probabilistic-policy,
type: probabilistic,
probabilistic: { sampling_percentage: 0.1 },
},
],
},
},
{
# Rule 2: always sample if there is an error
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좋네요

name: trace-status-policy,
type: status_code,
status_code: { status_codes: [ ERROR ] },
},
]
resourcedetection:
detectors: [system, env, k8snode]
override: true
Expand Down Expand Up @@ -365,7 +405,7 @@ openobserve-collector:
exporters: [otlphttp/openobserve]
traces:
receivers: [otlp]
processors: [batch, k8sattributes, filter/keep-scc]
processors: [batch, k8sattributes, tail_sampling]
exporters: [otlphttp/openobserve]

gateway:
Expand Down Expand Up @@ -558,6 +598,46 @@ openobserve-collector:
metric:
- resource.attributes["k8s.namespace.name"]!="scc"
- resource.attributes["namespace"]!="scc"
tail_sampling:
decision_wait: 10s
num_traces: 100
expected_new_traces_per_sec: 10
policies: [
{
# Rule 1: low sampling for readiness/liveness probes
name: team_a-probe,
type: and,
and:
{
and_sub_policy:
[
{
# filter by route
name: route-live-ready-policy,
type: string_attribute,
string_attribute:
{
key: http.route,
values: [ /livez, /readyz, /** ],
enabled_regex_matching: false,
},
},
{
# apply probabilistic sampling
name: probabilistic-policy,
type: probabilistic,
probabilistic: { sampling_percentage: 0.1 },
},
],
},
},
{
# Rule 2: always sample if there is an error
name: trace-status-policy,
type: status_code,
status_code: { status_codes: [ ERROR ] },
},
]
resourcedetection:
detectors: [env]
override: true
Expand Down Expand Up @@ -691,5 +771,5 @@ openobserve-collector:
exporters: [otlphttp/openobserve]
traces:
receivers: [otlp]
processors: [batch, k8sattributes, resourcedetection, filter/keep-scc]
processors: [batch, k8sattributes, resourcedetection, tail_sampling]
exporters: [otlphttp/openobserve, spanmetrics, servicegraph]
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