*Query:* up{instance=~"$unreachbale_instance"} and up
This query is giving me some instances which were already removed from
promethues.yml
Is there any mistake I am doing?
On Friday, 23 September 2022 at 22:05:51 UTC+5:30 Brian Candler wrote:
> https://www.robustperception.io/deleting-time-series-from-prometheus/
>
> However, it's still true that you *were* monitoring those servers, and
> this history may be useful You don't have to throw away the data. Just
> limit your query like this:
>
> max_over_time(up{instance=~"$instance",job="node_exporter"}[30d]) == 0 *and
> up*
>
> "up" is a metric that's always present for any scrape job, and absent if
> not. So this query will filter out anything which is not actively being
> scraped (within the last 5 minutes)
>
> On Friday, 23 September 2022 at 12:25:51 UTC+1 [email protected]
> wrote:
>
>> Hello All,
>>
>> I deleted some instances from the prometheus.yml file. But still, I am
>> able to see those servers' historical data. What should I do so that those
>> instances which I removed, those instances historical data should not have
>> appeared?
>>
>> Example:
>> I am finding the unreachable servers for 30 days
>>
>> *Query :*
>> max_over_time(up{instance=~"$instance",job="node_exporter"}[30d]) == 0
>>
>> There are some servers that were unreachable for the last 30 days. Among
>> these servers, I deleted a few of them from prometheus.yml. But still, I am
>> able to see those servers in the output.
>>
>> What should I do so that I didn't get these servers' details?
>>
>> Thanks & regards,
>> Bharath Kumar.
>>
>>
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