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12. Monitoring Research
12-02. Prometheus
06. Basic Concepts of Prometheus
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Concepts
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모든 데이터는 시계열로 저장됩니다.
모든 시계열은 '
측정 항목 이름
metric name
'과 Lables 라고 하는 key-value 쌍 집합으로 식별 됩니다.
metrec: go_memstat_alloc_bytes
instance=localhost:9090
job=prometheus
Prometheus
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시계열 데이터는 샘플 이라고 하는 실제 데이터로도 구성됩니다.
float64 값일 수 있습니다.
또는 millisecond-precision timestamp
시계열 표기법은 종종이 표기법을 사용합니다.
<metric name>{<lable name>=<label value>, ...}
for example:
node_boot_time{instance="localhost:9100",job="node_exporter"}
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{"serverDuration": 76, "requestCorrelationId": "b935d233bb04b77a"}