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7
docs/README.md
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@ -1264,8 +1264,11 @@ or similar auth proxy.
* There is no need for VictoriaMetrics tuning since it uses reasonable defaults for command-line flags, * There is no need for VictoriaMetrics tuning since it uses reasonable defaults for command-line flags,
which are automatically adjusted for the available CPU and RAM resources. which are automatically adjusted for the available CPU and RAM resources.
* There is no need for Operating System tuning since VictoriaMetrics is optimized for default OS settings. * There is no need for Operating System tuning since VictoriaMetrics is optimized for default OS settings.
The only option is increasing the limit on [the number of open files in the OS](https://medium.com/@muhammadtriwibowo/set-permanently-ulimit-n-open-files-in-ubuntu-4d61064429a), The only option is increasing the limit on [the number of open files in the OS](https://medium.com/@muhammadtriwibowo/set-permanently-ulimit-n-open-files-in-ubuntu-4d61064429a).
so Prometheus instances could establish more connections to VictoriaMetrics. The recommendation is not specific for VictoriaMetrics only but also for any service which handles many HTTP connections and stores data on disk.
* VictoriaMetrics is a write-heavy application and its performance depends on disk performance. So be careful with other
applications or utilities (like [fstrim](http://manpages.ubuntu.com/manpages/bionic/man8/fstrim.8.html))
which could [exhaust disk resources](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1521).
* The recommended filesystem is `ext4`, the recommended persistent storage is [persistent HDD-based disk on GCP](https://cloud.google.com/compute/docs/disks/#pdspecs), * The recommended filesystem is `ext4`, the recommended persistent storage is [persistent HDD-based disk on GCP](https://cloud.google.com/compute/docs/disks/#pdspecs),
since it is protected from hardware failures via internal replication and it can be [resized on the fly](https://cloud.google.com/compute/docs/disks/add-persistent-disk#resize_pd). since it is protected from hardware failures via internal replication and it can be [resized on the fly](https://cloud.google.com/compute/docs/disks/add-persistent-disk#resize_pd).
If you plan to store more than 1TB of data on `ext4` partition or plan extending it to more than 16TB, If you plan to store more than 1TB of data on `ext4` partition or plan extending it to more than 16TB,

7
docs/Single-server-VictoriaMetrics.md
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@ -1268,8 +1268,11 @@ or similar auth proxy.
* There is no need for VictoriaMetrics tuning since it uses reasonable defaults for command-line flags, * There is no need for VictoriaMetrics tuning since it uses reasonable defaults for command-line flags,
which are automatically adjusted for the available CPU and RAM resources. which are automatically adjusted for the available CPU and RAM resources.
* There is no need for Operating System tuning since VictoriaMetrics is optimized for default OS settings. * There is no need for Operating System tuning since VictoriaMetrics is optimized for default OS settings.
The only option is increasing the limit on [the number of open files in the OS](https://medium.com/@muhammadtriwibowo/set-permanently-ulimit-n-open-files-in-ubuntu-4d61064429a), The only option is increasing the limit on [the number of open files in the OS](https://medium.com/@muhammadtriwibowo/set-permanently-ulimit-n-open-files-in-ubuntu-4d61064429a).
so Prometheus instances could establish more connections to VictoriaMetrics. The recommendation is not specific for VictoriaMetrics only but also for any service which handles many HTTP connections and stores data on disk.
* VictoriaMetrics is a write-heavy application and its performance depends on disk performance. So be careful with other
applications or utilities (like [fstrim](http://manpages.ubuntu.com/manpages/bionic/man8/fstrim.8.html))
which could [exhaust disk resources](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1521).
* The recommended filesystem is `ext4`, the recommended persistent storage is [persistent HDD-based disk on GCP](https://cloud.google.com/compute/docs/disks/#pdspecs), * The recommended filesystem is `ext4`, the recommended persistent storage is [persistent HDD-based disk on GCP](https://cloud.google.com/compute/docs/disks/#pdspecs),
since it is protected from hardware failures via internal replication and it can be [resized on the fly](https://cloud.google.com/compute/docs/disks/add-persistent-disk#resize_pd). since it is protected from hardware failures via internal replication and it can be [resized on the fly](https://cloud.google.com/compute/docs/disks/add-persistent-disk#resize_pd).
If you plan to store more than 1TB of data on `ext4` partition or plan extending it to more than 16TB, If you plan to store more than 1TB of data on `ext4` partition or plan extending it to more than 16TB,