Re: [prometheus-users] prometheus rules returns "0" when i combine two metrics using label_replace

[Julius Volz]

Hi Umut,

You are multiplying the left (or top) metric by some aggregation over the ping packet loss. If the latter is 0 (no packet loss), the output will be 0, since anything multiplied by 0 will be 0. If you want the right-hand side operator to be neutral (multiplication-wise), you could multiply it by 0 and then add 1, but it'd be even easier to use a "+" instead of a "*" and then just multiply the right-hand side by 0 to make sure it's always neutral with respect to addition.

Regards,

Julius

On Mon, Dec 12, 2022 at 2:38 PM Umut Cokbilir <umut.c...@gmail.com> wrote:

Hi All,

Please check my screen attached. Where am i doing wrong?

How to fix it?

Thanks

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Julius Volz

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