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vmalert: add info about search.latencyOffset to Troubleshooting (#3151)

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Signed-off-by: hagen1778 <roman@victoriametrics.com>
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Roman Khavronenko 2022-09-23 09:49:14 +02:00 committed by Aliaksandr Valialkin
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commit b86cf7d707
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4
app/vmalert/README.md
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@ -650,6 +650,10 @@ may get empty response from datasource and produce empty recording rules or rese
<img alt="vmalert evaluation when data is delayed" src="vmalert_ts_data_delay.gif">
_Please note, by default recently written datapoints to VictoriaMetrics aren't visible for queries up to 30s.
This behavior is controlled by `--search.latencyOffset` command-line flag on vmselect. Usually, this results into
a 30s shift for recording rules results._
Try the following recommendations in such cases:
* Always configure group's `evaluationInterval` to be bigger or equal to `scrape_interval` at which metrics

4
docs/vmalert.md
View file

@ -654,6 +654,10 @@ may get empty response from datasource and produce empty recording rules or rese
<img alt="vmalert evaluation when data is delayed" src="vmalert_ts_data_delay.gif">
_Please note, by default recently written datapoints to VictoriaMetrics aren't visible for queries up to 30s.
This behavior is controlled by `--search.latencyOffset` command-line flag on vmselect. Usually, this results into
a 30s shift for recording rules results._
Try the following recommendations in such cases:
* Always configure group's `evaluationInterval` to be bigger or equal to `scrape_interval` at which metrics