On 19 Dec 09:01, Brett Larson wrote:
> Julien,
> What is the best practices regarding service discovery? 

A snipped with multiple kubernetes_sd_configs would help

> 
> We do have a large amount of jobs with a large number of inactive targets - 
> could this negatively impact our memory usage?
> 
> For example:
> 
>    - 1 (1/728 active targets)
>    - 2 (143/1797 active targets)
>    - 3 (1/728 active targets)
>    - 4 (41/41 active targets)
>    - 5 (41/41 active targets)
>    - 6 (13/1237 active targets)
>    - 7 (9/1243 active targets)
>    - 8 (5/1261 active targets)
>    - 9 (5/1261 active targets)
>    - 10 (1/1261 active targets)
>    - 11 (41/41 active targets)
>    - 12 (1/1261 active targets)
>    - 13 (41/1261 active targets)
>    - 14 (5/1261 active targets)
>    - 15 (5/1261 active targets)
>    - 16(41/1261 active targets)
>    - 17 (3/728 active targets)
>    - 18 (3/728 active targets)
> 
> Is the best practice now to use labels or regex in the re-label configs?
> 
> Here is an example of the config for envoy-stats:
> https://gitlab.com/-/snippets/2052337
> 
> 
> On Friday, December 18, 2020 at 6:50:07 PM UTC-6 Julien Pivotto wrote:
> 
> > On 18 Dec 16:40, Brett Larson wrote:
> > > Here is a link to the "snapshot" of the dashboard. 
> > > 
> > https://snapshot.raintank.io/dashboard/snapshot/crxdjU7fhzAhl0x0KWiH1ZHGZXKyhqmF
> >
> >
> > Thanks, however this does not seem to show any memory issue.
> >
> > There might be an issue with your configuration, where you could take
> > advantage of some tweaks , like reusing the same sd configs + relabeling
> > or using selectors: in your kubernetes config.
> >
> > I would expect that if that is still an issue, a memory profile of
> > Prometheus when memory is high would help.
> >
> >
> > > On Friday, December 18, 2020 at 6:09:13 PM UTC-6 Julien Pivotto wrote:
> > > 
> > > > On 18 Dec 16:03, Brett Larson wrote:
> > > > > Hello,
> > > > > I am using a Prometheus 2.21 server and I am seeing that the memory 
> > is 
> > > > > growing at an untenable rate. I will start the pod at 4GB and 
> > eventually 
> > > > it 
> > > > > will move to 10GB after a few days and go into a crashloop back off 
> > > > state.
> > > > > 
> > > > > The pod is configured to only keep around 8 hours of data, and this 
> > data 
> > > > is 
> > > > > stored to empyDir, not a persistent file system. We are doing remote 
> > > > write 
> > > > > to postgres for only about 4 metrics. 
> > > > > 
> > > > > We do have some no-nos (high cardinality labels & pod names) but 
> > > > > unfortunately these are needed. 
> > > > > 
> > > > > I don't understand why after a retention of 8 hours we would still 
> > cause 
> > > > > memory like this to grow and i'm looking for some guidance on how I 
> > can 
> > > > > troubleshoot this.
> > > > > 
> > > > > Please let me know,
> > > > > Thank you!
> > > >
> > > > Can you share screenshots of the
> > > > https://grafana.com/grafana/dashboards/12054 dashboard ?
> > > >
> > > > -- 
> > > > Julien Pivotto
> > > > @roidelapluie
> > > >
> > > 
> > > -- 
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> > .
> >
> >
> > -- 
> > Julien Pivotto
> > @roidelapluie
> >
> 
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-- 
Julien Pivotto
@roidelapluie

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