fuel-plugin-influxdb-grafana/doc/source/requirements.rst

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Requirements

The StackLight InfluxDB-Grafana plugin 1.0.0 has the following requirements:

Requirement Version/Comment
Disk space The plugins specification requires provisioning at least 15 GB of disk space for the system, 10 GB for the logs, and 30 GB for the database. Therefore, the installation of the plugin will fail if there is less than 55 GB of disk space available on the node.
Mirantis OpenStack 8.0, 9.x
Hardware configuration

The hardware configuration (RAM, CPU, disk(s)) required by this plugin depends on the size of your cloud environment and other factors like the retention policy. An average setup would require a quad-core server with 8 GB of RAM and access to a 500-1000 IOPS disk. For sizeable production deployments it is strongly recommended to use a disk capable of 1000+ IOPS like an SSD. See the InfluxDB Hardware Sizing Guide for additional sizing information.

It is highly recommended that you use a dedicated disk for your data storage. Otherwise, the InfluxDB-Grafana Plugin will use the root file system by default.