# Ras Pi supply voltage

**URL:** <https://discourse.nodered.org/t/ras-pi-supply-voltage/8791>\
**Category:** General\
**Created:** [9 March 2019 22:41 UTC](https://discourse.nodered.org/t/ras-pi-supply-voltage/8791 "2019-03-09T22:41:48Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![ghayne](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/ghayne/32/39_2.png) [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Post date:** [10 March 2019 10:42 UTC](https://discourse.nodered.org/t/ras-pi-supply-voltage/8791/5 "2019-03-10T10:42:18Z")

</div>

> [@TotallyInformation](#):
>
> So perhaps running a little hot. Possibly because InfluxDB is reaching 26% CPU every few seconds.

This may help with that:

> [@InfluxDB on a Raspberry Pi](https://discourse.nodered.org/t/influxdb-on-a-raspberry-pi/742):
>
> This is not strictly Node-Red related but I know that several people here are using InfluxDB on a Raspberry Pi in conjunction with Grafana to store data created/extracted by Node-Red. I discovered accidentally that InfuxDB was using a very high amount of CPU time and after a bit of searching I found that this is due to InfluxDB's internal monitoring function. This is used for diagnosis of internal errors and can safely be turned off by changing an entry in: /etc/influxdb/influxdb.conf Simply…

---

_[View the full topic](https://discourse.nodered.org/t/ras-pi-supply-voltage/8791)._