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docs: reduce free disk recommendation from 30% to 20% (#2728)

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Signed-off-by: hagen1778 <roman@victoriametrics.com>
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Roman Khavronenko 2022-06-14 11:54:39 +02:00 committed by GitHub
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2
README.md
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@ -1170,7 +1170,7 @@ 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. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
* At least [20% of free storage space](#storage) at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
See also [resource usage limits docs](#resource-usage-limits).

2
docs/Cluster-VictoriaMetrics.md
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@ -320,7 +320,7 @@ 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. See also `-storage.minFreeDiskSpaceBytes` command-line flag [description for vmstorage](#list-of-command-line-flags-for-vmstorage).
- At least 20% 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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@ -1170,7 +1170,7 @@ 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. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
* At least [20% of free storage space](#storage) at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
See also [resource usage limits docs](#resource-usage-limits).

2
docs/Single-server-VictoriaMetrics.md
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@ -1174,7 +1174,7 @@ 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. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
* At least [20% of free storage space](#storage) at the directory pointed by `-storageDataPath` command-line flag. See also `-storage.minFreeDiskSpaceBytes` command-line flag description [here](#list-of-command-line-flags).
See also [resource usage limits docs](#resource-usage-limits).