Thanks for the replies guys! We have chosen to switch to windows exporter
in one shot and adjust grafana queries and alerts accordingly.

On Fri, Jun 26, 2020, 2:27 AM Ben Kochie <[email protected]> wrote:

> The wmi_exporter was renamed to windows_exporter when we moved it to the
> Prometheus Community org. It originally started out as only handling WMI.
> But the functionality was expanded to use windows-native system calls to
> replace a number of WMI calls for performance and reliability. (WMI is slow
> and unreliable)
>
> IMO, relabeling, or duplicating data, is not the correct way to handle a
> transition like this. This can be solved in PromQL in Grafana or alerting
> rules.
>
> A simple "or" operator can pick the correct metric.
>
> windows_FOO or wmi_FOO
>
>
> On Fri, Jun 26, 2020 at 8:38 AM Brian Candler <[email protected]> wrote:
>
>> You could scrape twice and relabel one of them - but then you'd be better
>> off just scraping the old and new exporters once each.
>>
>> I think is is probably the best option anyway.  Unless you are 100% sure
>> that every wmi_xxx metric has exactly the same semantics and labels as the
>> corresponding windows_xxx metrics, you could cause yourself accidental pain.
>>
>> Do you mind if I ask, why did you decide to move from wmi_exporter to
>> windows_exporter?  I rarely have to deal with Windows machines, but when I
>> do, I'd like to know what influences the choice of exporter.  The fact
>> you're considering relabelling suggests that the metrics they produce are
>> very similar.
>>
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