A utility tool to ship data from a smart energy meter over HTTP.
Download the Debian packages from the release area.
Copy it to the machine where you want to run the process and install it with dpkg -i dsmr-rs_<version>_<arch>.deb.
Edit /etc/dsmr-rs.conf to tailor your configuration.
Finally, run sudo service dsmr-rs restart to make your changes effective.
The standard datalogger that ships with DSMR reader is written in Python.
Using sudo pmap <pid> | tail -n 1, its memory usage is reported as 37120K.
This native logger uses only 14996K, a reduction of almost 60%.
Using ps aux | grep python3, CPU usage of the Python logger is reported between 1.5% and 3% on my Raspberry Pi 4.
This native logger usually takes less than 1% of CPU time.
Run tests with cargo t.
Build a debug binary with cargo b.
For a release binary, add --release.