Expected Behaviour:
Graphs seems to work normally before server restart due to power failure
Actual Behaviour:
Now graph displays broken lines and weird stuff
Debug Token:
8qpvigusxg
Run pihole -f. You probably have a very old query and many recent queries, which stretches the graph.
My graph looks like that too today, it auto reset at 00:00
Got it working as i start pihole cron job graph instantly went back to normal, seems like a cron issue, anyhow thanks everyone.