Graph Logging

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Hello,
Is it possible to save the complete graph with on-off , temperature, date , time , etc …
that all data are also available after a reboot and will be saved permanently??

Thanks for help

sorry, do not really understand the question.
the data is stored in the database and is available after reboot.
do you want to have a more detailed graph?

maybe this helps https://forum.pimatic.org/topic/44/database-configuration-howto

Hm your right… But if i make a reboot i takes some time if i can see the dates. Funny
Is it also posible to log variables?

usually yes. you can display variables with a variables device.
if you are not disabeling the log function (see above link) variables should be stored