ruandao
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prometheus 如何做减法?

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  •   ruandao · Dec 11, 2018 · 3650 views
    This topic created in 2883 days ago, the information mentioned may be changed or developed.

    dayProfit{p="profit"} - dayProfit{p="loss"}

    无效

    单独使用,两个 metric 都可以正常使用

    6 replies  •  2018-12-12 09:18:59 +08:00
    mondeo
    mondeo
    Dec 11, 2018 via iPhone
    1
    两个查询出来的结果集要一致才能做减法吧
    ruandao
    ruandao
    OP
    Dec 11, 2018
    2
    @mondeo #1 是同时记录的, 且是同一个 metric 记录的, 只是 label 不一样
    seerhut
    seerhut
    Dec 11, 2018
    3
    向量不能这么减,非要减转成标量再减,scalar()-scalar()
    atnoot
    atnoot
    Dec 11, 2018 via iPhone
    4
    job 是否可以呢
    rayingecho
    rayingecho
    Dec 11, 2018❤️1
    5
    dayProfit{p="profit"} - ignoring(p) dayProfit{p="loss"}
    ruandao
    ruandao
    OP
    Dec 12, 2018
    6
    @rayingecho #5 谢谢
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