I start my miners with

I have seen in the code, that phoenix dumps the stats every second.
When I do a "tail -f /tmp/gpu1.log" I recognized that the file updates irregularly, sometimes with >8s delay.
I think 30 seconds for testing phoenix is still alive is okay for most setups.

After I  changed the time for above setting to 15s, my "shares submitted" Graph do not recognize the shares anymore.