Log Messages in Octoprint Log

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1

What does octoprint.server.heartbeat - INFO - Server heartbeat <3 log message mean

I have
Raspberry Pi V4 2GB
Official Pi 4 power supply
Octopi 0.17.0
Prusa Mk3s
USB connection to printer
Wifi connection to LAN
Checked thottling but none indicated

Have had what appears to have been a power supply issue with Pi / Printer as had communication error - changed the power connections and the USB cable but still get

octoprint.server.heartbeat - INFO - Server heartbeat <3

messages is the log -- printer seems to be printing OK now, but concerned there is still a problem

Extract of log
2020-05-09 19:57:35,344 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.85
2020-05-09 20:11:00,834 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-05-09 20:26:00,837 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-05-09 20:32:18,833 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.67
2020-05-09 20:32:21,274 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.67
2020-05-09 20:32:21,345 - octoprint.server.util.flask - INFO - Passively logging in user James from ::ffff:192.168.1.67
2020-05-09 20:32:21,347 - octoprint.access.users - INFO - Logged in user: James
2020-05-09 20:32:21,371 - octoprint.server.util.sockjs - INFO - User James logged in on the socket from client ::ffff:192.168.1.67
2020-05-09 20:41:00,839 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2020-05-09 20:46:15,464 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.67
2020-05-09 20:46:17,819 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.67
2020-05-09 20:46:17,900 - octoprint.server.util.flask - INFO - Passively logging in user James from ::ffff:192.168.1.67
2020-05-09 20:46:17,901 - octoprint.access.users - INFO - Logged in user: James
2020-05-09 20:46:17,920 - octoprint.server.util.sockjs - INFO - User James logged in on the socket from client ::ffff:192.168.1.67
2020-05-09 20:56:00,842 - octoprint.server.heartbeat - INFO - Server heartbeat <3

Many thanks

2

It means OctoPrint is still “alive” (running); it has a pulse. The <3 should not be read as “smaller than three”, but as “heart emoji”

1 Like
3

Thanks for the quick reply!!

Phew! --- just seen this runs every 15 mins.

Cheers & hope you are safe & well.

4

Thanks for this. This worked exactly as expected. MyCFAVisit Survey