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docs: mention -storage.minFreeDiskSpaceBytes command-line flag at capacity planning section

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See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1727 and https://github.com/VictoriaMetrics/VictoriaMetrics/issues/269
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Aliaksandr Valialkin 2021-12-15 21:40:33 +02:00
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2
README.md
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@ -1083,7 +1083,7 @@ It is recommended leaving the following amounts of spare resources:
* 50% of free RAM for reducing the probability of OOM (out of memory) crashes and slowdowns during temporary spikes in workload.
* 50% of spare CPU for reducing the probability of slowdowns during temporary spikes in workload.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
## High availability

3
docs/Cluster-VictoriaMetrics.md
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@ -315,7 +315,8 @@ It is recommended leaving the following amounts of spare resources:
* 50% of free RAM across all the node types for reducing the probability of OOM (out of memory) crashes and slowdowns during temporary spikes in workload.
* 50% of spare CPU across all the node types for reducing the probability of slowdowns during temporary spikes in workload.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag at `vmstorage` nodes.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag at `vmstorage` nodes. See also `-storage.minFreeDiskSpaceBytes` command-line flag [description for vmstorage](#list-of-command-line-flags-for-vmstorage).
Some capacity planning tips for VictoriaMetrics cluster:

2
docs/README.md
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@ -1083,7 +1083,7 @@ It is recommended leaving the following amounts of spare resources:
* 50% of free RAM for reducing the probability of OOM (out of memory) crashes and slowdowns during temporary spikes in workload.
* 50% of spare CPU for reducing the probability of slowdowns during temporary spikes in workload.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
## High availability

2
docs/Single-server-VictoriaMetrics.md
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@ -1087,7 +1087,7 @@ It is recommended leaving the following amounts of spare resources:
* 50% of free RAM for reducing the probability of OOM (out of memory) crashes and slowdowns during temporary spikes in workload.
* 50% of spare CPU for reducing the probability of slowdowns during temporary spikes in workload.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag.
* At least 30% of free storage space at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
## High availability