Hi,
On 10/13/20 12:22 PM, li yun wrote:
> For example, the following situation
> *isphone{name="user",exname~"13"}*
> This exname program will continuously collect a lot of monitoring
> indicators, but I want to know which indicators have been added in a
> certain period of time
> 在2020年10月13日星期二 UTC+8 下午6:19:15<li yun> 写道：
>
> Hello everyone, I have encountered some problems in the process of
> using prometheus. There are many monitoring indicators. I used the
> service discovery method. I need to know which indicators are newly
> added by service discovery in a certain period of time. May I ask
> this prometheus Can it be done?
You can ask Prometheus to return those metrics which do exist now and
haven't existed some time ago. Example for 1 hour:
isphone{name="user",exname~"13"} unless
isphone{name="user",exname~"13"} offset 1h
Note: It sounds like you might be putting rather dynamical data
(exname?) into labels. This may lead to cardinality issues. Be sure to
implement some safeguards and/or beware of the potential resource
requirements.
Kind regards,
Christian
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