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doc: Add notes about feature not yet supported for native histograms (#11453)

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Namely federation and recording rules.

Signed-off-by: beorn7 <beorn@grafana.com>
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Björn Rabenstein 2022-10-14 13:05:27 +02:00 committed by GitHub
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4
docs/configuration/recording_rules.md
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@ -17,6 +17,10 @@ Rule files use YAML.
The rule files can be reloaded at runtime by sending `SIGHUP` to the Prometheus The rule files can be reloaded at runtime by sending `SIGHUP` to the Prometheus
process. The changes are only applied if all rule files are well-formatted. process. The changes are only applied if all rule files are well-formatted.
_Note about native histograms (experimental feature): Rules evaluating to
native histograms do not yet work as expected. Instead of a native histogram,
the sample stored is just a floating point value of zero._
## Syntax-checking rules ## Syntax-checking rules
To quickly check whether a rule file is syntactically correct without starting To quickly check whether a rule file is syntactically correct without starting

3
docs/federation.md
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@ -8,6 +8,9 @@ sort_rank: 6
Federation allows a Prometheus server to scrape selected time series from Federation allows a Prometheus server to scrape selected time series from
another Prometheus server. another Prometheus server.
_Note about native histograms (experimental feature): Federation does not
support native histograms yet._
## Use cases ## Use cases
There are different use cases for federation. Commonly, it is used to either There are different use cases for federation. Commonly, it is used to either