The retention policy for the data (i.e. how long the data is stored).
<p>
The default value for InfluxDB 1.0+ versions is "autogen".<br/>
The default value for InfluxDB &lt;1.0 versions is "default".
</p>
<p>The "autogen" or "default" retention policies mean the data is stored for infinity.</p>
<p>The input can be set e.g. "2m", "3d", "4w", for 2 minutes, 3 days, or 4 weeks respectively.</p>