Hi During the callback, I need to read a big dataframe and visulizing a heatmap on dcc.Graph(). Since the dataframe is the same during consecutive callback, so I don’t want to read the dataframe each time callback. So how to store this big dataframe when the first time callback? The option I am u…

How to re-use big dataframe during callback?

AIMPED August 1, 2023, 6:30pm 2

Hi @roudan you could use dash-extensions:

More info:

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