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docs/Single-server-VictoriaMetrics.md: explain why staleness markers are treated as an ordinary values during de-duplication

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This is a follow-up for d374595e31
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5587
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Aliaksandr Valialkin 2024-01-16 20:10:08 +02:00
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README.md
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@ -1768,8 +1768,9 @@ This aligns with the [staleness rules in Prometheus](https://prometheus.io/docs/
If multiple raw samples have **the same timestamp** on the given `-dedup.minScrapeInterval` discrete interval,
then the sample with **the biggest value** is kept.
Prometheus stale markers are respected as any other value. If raw sample with the biggest timestamp on `-dedup.minScrapeInterval`
has a stale marker as a value - it will be kept after the deduplication.
[Prometheus stalenes markers](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) are processed as any other value during de-duplication.
If raw sample with the biggest timestamp on `-dedup.minScrapeInterval` contains a stale marker, then it is kept after the deduplication.
This allows properly preserving staleness markers during the de-duplication.
Please note, [labels](https://docs.victoriametrics.com/keyConcepts.html#labels) of raw samples should be identical
in order to be deduplicated. For example, this is why [HA pair of vmagents](https://docs.victoriametrics.com/vmagent.html#high-availability)

5
docs/README.md
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@ -1771,8 +1771,9 @@ This aligns with the [staleness rules in Prometheus](https://prometheus.io/docs/
If multiple raw samples have **the same timestamp** on the given `-dedup.minScrapeInterval` discrete interval,
then the sample with **the biggest value** is kept.
Prometheus stale markers are respected as any other value. If raw sample with the biggest timestamp on `-dedup.minScrapeInterval`
has a stale marker as a value - it will be kept after the deduplication.
[Prometheus stalenes markers](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) are processed as any other value during de-duplication.
If raw sample with the biggest timestamp on `-dedup.minScrapeInterval` contains a stale marker, then it is kept after the deduplication.
This allows properly preserving staleness markers during the de-duplication.
Please note, [labels](https://docs.victoriametrics.com/keyConcepts.html#labels) of raw samples should be identical
in order to be deduplicated. For example, this is why [HA pair of vmagents](https://docs.victoriametrics.com/vmagent.html#high-availability)

5
docs/Single-server-VictoriaMetrics.md
View File

@ -1779,8 +1779,9 @@ This aligns with the [staleness rules in Prometheus](https://prometheus.io/docs/
If multiple raw samples have **the same timestamp** on the given `-dedup.minScrapeInterval` discrete interval,
then the sample with **the biggest value** is kept.
Prometheus stale markers are respected as any other value. If raw sample with the biggest timestamp on `-dedup.minScrapeInterval`
has a stale marker as a value - it will be kept after the deduplication.
[Prometheus stalenes markers](https://docs.victoriametrics.com/vmagent.html#prometheus-staleness-markers) are processed as any other value during de-duplication.
If raw sample with the biggest timestamp on `-dedup.minScrapeInterval` contains a stale marker, then it is kept after the deduplication.
This allows properly preserving staleness markers during the de-duplication.
Please note, [labels](https://docs.victoriametrics.com/keyConcepts.html#labels) of raw samples should be identical
in order to be deduplicated. For example, this is why [HA pair of vmagents](https://docs.victoriametrics.com/vmagent.html#high-availability)