Diagrams in Model / Cell Background

I have a fresh installation of openhab 3 in docker.
As persistens I use JDBC Mysql Database.

Now to my question/problem. In the following picture there is a diagram in the background of the actual value. On nearly every video on youtube or so the diagram is also there.

But in my instalation the diagram is not there. Why is it like this? Is the reason the persistance database???

Did you change the default persistence? Out of the box OH ships with rrd4j configured to save all chartable Items.

If you’ve unusually l uninstalled that or changed it’s behavior and want your charts to come from jdbc, you need to change the default 8n Settings → Persistence

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