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docs: add changelog entry for downsampling.period and dedup.minScrapeInterval verification (#5000)

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* docs: add changelog entry for downsampling.period and dedup.minScrapeInterval verification

- added changelog entry
- documented requirements for dedup.minScrapeInterval and downsampling.period being multiples of each other

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

* docs: `make docs-sync`

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

---------

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
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Zakhar Bessarab 2023-09-15 17:14:16 +04:00 committed by Aliaksandr Valialkin
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1
docs/CHANGELOG.md
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@ -47,6 +47,7 @@ ssue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4825) and [these
* BUGFIX: [Official Grafana dashboards for VictoriaMetrics](https://grafana.com/orgs/victoriametrics): fix display of ingested rows rate for `Samples ingested/s` and `Samples rate` panels for vmagent's dasbhoard. Previously, not all ingested protocols were accounted in these panels. An extra panel `Rows rate` was added to `Ingestion` section to display the split for rows ingested rate by protocol. * BUGFIX: [Official Grafana dashboards for VictoriaMetrics](https://grafana.com/orgs/victoriametrics): fix display of ingested rows rate for `Samples ingested/s` and `Samples rate` panels for vmagent's dasbhoard. Previously, not all ingested protocols were accounted in these panels. An extra panel `Rows rate` was added to `Ingestion` section to display the split for rows ingested rate by protocol.
* BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix the bug causing render looping when switching to heatmap. * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix the bug causing render looping when switching to heatmap.
* BUGFIX: [VictoriaMetrics enterprise](https://docs.victoriametrics.com/enterprise.html) validate `-dedup.minScrapeInterval` value and `-downsampling.period` intervals are multiples of each other. See [these docs](https://docs.victoriametrics.com/#downsampling).
## [v1.93.4](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.93.4) ## [v1.93.4](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.93.4)

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docs/README.md
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@ -1697,6 +1697,10 @@ Downsampling happens during [background merges](https://docs.victoriametrics.com
and can't be performed if there is not enough of free disk space or if vmstorage and can't be performed if there is not enough of free disk space or if vmstorage
is in [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode). is in [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode).
Please, note that intervals of `-downsampling.period` must be multiples of each other.
In case [deduplication](https://docs.victoriametrics.com/#deduplication) is enabled value of `-dedup.minScrapeInterval` must also be multiple of `-downsampling.period` intervals.
This is required to ensure consistency of deduplication and downsampling results.
The downsampling can be evaluated for free by downloading and using enterprise binaries from [the releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases). The downsampling can be evaluated for free by downloading and using enterprise binaries from [the releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
## Multi-tenancy ## Multi-tenancy

4
docs/Single-server-VictoriaMetrics.md
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@ -1705,6 +1705,10 @@ Downsampling happens during [background merges](https://docs.victoriametrics.com
and can't be performed if there is not enough of free disk space or if vmstorage and can't be performed if there is not enough of free disk space or if vmstorage
is in [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode). is in [read-only mode](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#readonly-mode).
Please, note that intervals of `-downsampling.period` must be multiples of each other.
In case [deduplication](https://docs.victoriametrics.com/#deduplication) is enabled value of `-dedup.minScrapeInterval` must also be multiple of `-downsampling.period` intervals.
This is required to ensure consistency of deduplication and downsampling results.
The downsampling can be evaluated for free by downloading and using enterprise binaries from [the releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases). The downsampling can be evaluated for free by downloading and using enterprise binaries from [the releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases).
## Multi-tenancy ## Multi-tenancy