Tragl

Is there a way to up-vote this basic request? **"a way to have the data in the 2.0 chart node survive restarts"**

**1) Retention of data points within v2.0** (possible to-do flowuse) In my opinion, a perfect basis would be if the ui-graph in version 2.0 would generate an output like in...

> We are not talking here about storing historical data, just restoring the real time data that was on the chart before node-red was restarted Exactly, perfectly described

Thank you very much, I must have misunderstood the documentation. Is node-red-contrib-persist therefore still a common option under Dashboard 2.0?

Yes, but ui-graph from Dashboard v1.x sends the complete series of the graph and therefore you can save the complete series with “persist”. ui-graph from Dashboard v2.0 only sends the...

Thank you for the hint, I have understood. Do you have any advice for me on the best place to start on this topic?

> The issue is that the D1 chart provides an easy method of persisting the chart contents and refreshing the chart on restart. With D2 the user has to store...

> We do still support an array of data being sent to the chart ### How must the JSON be formatted to get inside the ui-chart correctly? Thank you so...

Thank you, this way?  My injection ``` [ { "category": [ "Temperature", "Humidity" ], "Temperature": 20, "Humidity": 54, "Timestamp": 1727683200000 }, { "category": [ "Temperature", "Humidity" ], "Temperature": 22,...

Thank you so much for your patient, Array works now.