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docs: follow-up 15e33d56f1

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Update documentation according to changes in deduplication logic.

Signed-off-by: hagen1778 <roman@victoriametrics.com>
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hagen1778 2024-03-12 22:57:23 +01:00
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docs/CHANGELOG.md
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@ -53,7 +53,7 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
* FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): support client-side TLS configuration for VictoriaMetrics destination specified via `--vm-*` cmd-line flags used in [InfluxDB](https://docs.victoriametrics.com/vmctl/#migrating-data-from-influxdb-1x), [Remote Read protocol](https://docs.victoriametrics.com/vmctl/#migrating-data-by-remote-read-protocol), [OpenTSDB](https://docs.victoriametrics.com/vmctl/#migrating-data-from-opentsdb), [Prometheus](https://docs.victoriametrics.com/vmctl/#migrating-data-from-prometheus) and [Promscale](https://docs.victoriametrics.com/vmctl/#migrating-data-from-promscale) migration modes.
* BUGFIX: do not drop `match[]` filter at [`/api/v1/series`](https://docs.victoriametrics.com/url-examples/#apiv1series) if `-search.ignoreExtraFiltersAtLabelsAPI` command-line flag is set, since missing `match[]` filter breaks `/api/v1/series` requests.
* BUGFIX: [stream aggregation](https://docs.victoriametrics.com/stream-aggregation/): pick samples with bigger values and timestamps on deduplication interval
* BUGFIX: [stream aggregation](https://docs.victoriametrics.com/stream-aggregation/): take into account sample timestamp during [deduplication](https://docs.victoriametrics.com/stream-aggregation/#deduplication). If multiple samples have the same timestamp on the configured deduplication interval, then the sample with the biggest value is kept. The logic is aligned with [`-dedup.minScrapeInterval`](https://docs.victoriametrics.com/#deduplication).
## [v1.99.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.99.0)

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docs/stream-aggregation.md
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@ -78,9 +78,10 @@ to the configured `-remoteWrite.url`. The de-duplication can be enabled via the
It is possible to drop the given labels before applying the de-duplication. See [these docs](#dropping-unneeded-labels).
The online de-duplication doesn't take into account timestamps associated with the de-duplicated samples - it just leaves the last seen sample
on the configured deduplication interval. If you need taking into account timestamps during the de-duplication,
then use [`-dedup.minScrapeInterval` command-line flag](https://docs.victoriametrics.com/#deduplication).
The online de-duplication takes into account timestamps associated with the de-duplicated samples - it keeps the sample
with the newest timestamp on the configured deduplication interval. If multiple samples have the same timestamp on the
configured deduplication interval, then the sample with the biggest value is kept. The logic is aligned with
[`-dedup.minScrapeInterval` command-line flag](https://docs.victoriametrics.com/#deduplication).
## Flush time alignment