1 根据服务、环境选择数据
xxx_total{application="$application", instance="$instance"}
2 同上,支持muti-val(多选)
xxx_total{application="$application", instance=~"$instance"}
3 按xxx_method分类汇总,P95耗时
histogram_quantile(0.95, sum(rate(xxx_bucket{application="$applica[......]
常用PromQL学习
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