k8s prometheus grafana 无数据显示
注意系统时间是否与 pod (prometheus exporter) 时间一致
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注意系统时间是否与 pod (prometheus exporter) 时间一致
https://github.com/prometheus/prometheus/issues/1022
指标查询无数据
sum(irate(kafka_topic_partition_current_offset{topic !~ "__consumer_offsets|__transaction_state|test"}[30s])) by (topic) >= 0
prometheus 默认抓取时间间隔 60s 、
prometheus 两个抓取时间间隔scrape_interval
| evaluation_interval
:https://stackoverflow.com/questions/52167869/scrape-interval-and-evaluation-interval-in-prometheus
修改时间间隔 15s
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