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docs: clarify downsampling periods requirements (#4542)

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It is required for periods to be multiplies, but it was not stated clearly in documentation.

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
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Zakhar Bessarab 2023-06-30 12:37:22 +04:00 committed by Aliaksandr Valialkin
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4 changed files with 11 additions and 5 deletions
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2
README.md
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@ -1040,7 +1040,7 @@ Below is the output for `/path/to/vmselect -help`:
-denyQueryTracing -denyQueryTracing
Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing
-downsampling.period array -downsampling.period array
Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. When setting multiple downsampling periods, it is necessary for the periods to be multiples of each other. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html
Supports an array of values separated by comma or specified via multiple flags. Supports an array of values separated by comma or specified via multiple flags.
-enableTCP6 -enableTCP6
Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used

4
docs/Cluster-VictoriaMetrics.md
View file

@ -1052,7 +1052,7 @@ Below is the output for `/path/to/vmselect -help`:
-denyQueryTracing -denyQueryTracing
Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing
-downsampling.period array -downsampling.period array
Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. When setting multiple downsampling periods, it is necessary for the periods to be multiples of each other. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html
Supports an array of values separated by comma or specified via multiple flags. Supports an array of values separated by comma or specified via multiple flags.
-enableTCP6 -enableTCP6
Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used
@ -1270,7 +1270,7 @@ Below is the output for `/path/to/vmstorage -help`:
-denyQueryTracing -denyQueryTracing
Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing
-downsampling.period array -downsampling.period array
Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. When setting multiple downsampling periods, it is necessary for the periods to be multiples of each other. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html
Supports an array of values separated by comma or specified via multiple flags. Supports an array of values separated by comma or specified via multiple flags.
-enableTCP6 -enableTCP6
Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used Whether to enable IPv6 for listening and dialing. By default only IPv4 TCP and UDP is used

5
docs/README.md
View file

@ -1662,6 +1662,9 @@ 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).
When setting multiple downsampling periods, it is required for the periods to be multiples of each other. For example,
`-downsampling.period=30d:1m,60d:30m` is valid, but `-downsampling.period=30d:45s,60d:60s` is invalid.
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
@ -2247,7 +2250,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-denyQueryTracing -denyQueryTracing
Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing
-downsampling.period array -downsampling.period array
Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. When setting multiple downsampling periods, it is necessary for the periods to be multiples of each other. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html
Supports an array of values separated by comma or specified via multiple flags. Supports an array of values separated by comma or specified via multiple flags.
-dryRun -dryRun
Whether to check config files without running VictoriaMetrics. The following config files are checked: -promscrape.config, -relabelConfig and -streamAggr.config. Unknown config entries aren't allowed in -promscrape.config by default. This can be changed with -promscrape.config.strictParse=false command-line flag Whether to check config files without running VictoriaMetrics. The following config files are checked: -promscrape.config, -relabelConfig and -streamAggr.config. Unknown config entries aren't allowed in -promscrape.config by default. This can be changed with -promscrape.config.strictParse=false command-line flag

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

@ -1670,6 +1670,9 @@ 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).
When setting multiple downsampling periods, it is required for the periods to be multiples of each other. For example,
`-downsampling.period=30d:1m,60d:30m` is valid, but `-downsampling.period=30d:45s,60d:60s` is invalid.
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
@ -2255,7 +2258,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-denyQueryTracing -denyQueryTracing
Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing Whether to disable the ability to trace queries. See https://docs.victoriametrics.com/#query-tracing
-downsampling.period array -downsampling.period array
Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html Comma-separated downsampling periods in the format 'offset:period'. For example, '30d:10m' instructs to leave a single sample per 10 minutes for samples older than 30 days. When setting multiple downsampling periods, it is necessary for the periods to be multiples of each other. See https://docs.victoriametrics.com/#downsampling for details. This flag is available only in VictoriaMetrics enterprise. See https://docs.victoriametrics.com/enterprise.html
Supports an array of values separated by comma or specified via multiple flags. Supports an array of values separated by comma or specified via multiple flags.
-dryRun -dryRun
Whether to check config files without running VictoriaMetrics. The following config files are checked: -promscrape.config, -relabelConfig and -streamAggr.config. Unknown config entries aren't allowed in -promscrape.config by default. This can be changed with -promscrape.config.strictParse=false command-line flag Whether to check config files without running VictoriaMetrics. The following config files are checked: -promscrape.config, -relabelConfig and -streamAggr.config. Unknown config entries aren't allowed in -promscrape.config by default. This can be changed with -promscrape.config.strictParse=false command-line flag