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Minor additions to single version Readme (#511)

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* docs/Single-server-VictoriaMetrics.md: add link to Wiki page so it may get more attention

* docs/Single-server-VictoriaMetrics.md: mention case for changing `-retentionPeriod` setting
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Roman Khavronenko 2020-05-21 15:48:42 +01:00 committed by GitHub
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@ -18,6 +18,8 @@ in [source code](https://github.com/VictoriaMetrics/VictoriaMetrics). Just downl
Cluster version is available [here](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster). Cluster version is available [here](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster).
See our [Wiki](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki) for additional documentation.
[Contact us](mailto:info@victoriametrics.com) if you need paid enterprise support for VictoriaMetrics. [Contact us](mailto:info@victoriametrics.com) if you need paid enterprise support for VictoriaMetrics.
@ -820,6 +822,8 @@ Data is split in per-month subdirectories inside `<-storageDataPath>/data/small`
Directories for months outside the configured retention are deleted on the first day of new month. Directories for months outside the configured retention are deleted on the first day of new month.
In order to keep data according to `-retentionPeriod` max disk space usage is going to be `-retentionPeriod` + 1 month. In order to keep data according to `-retentionPeriod` max disk space usage is going to be `-retentionPeriod` + 1 month.
For example if `-retentionPeriod` is set to 1, data for January is deleted on March 1st. For example if `-retentionPeriod` is set to 1, data for January is deleted on March 1st.
It is safe to extend `-retentionPeriod` on existing data. If `-retentionPeriod` is set to lower
value than before then data outside the configured period will be eventually deleted.
### Multiple retentions ### Multiple retentions