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Optimizing plots with millions of points in jfreecharts

lately I’ve been really into plotting enormous realtime data, so in short I have a mysql database, where I store my data, it updates like for 1000 rows in a sec, I take two columns via jdbc with select and plot it in my jfreecharts data, this process of plotting and getting new info has its own frequency, for now it’s like 200ms, so the question is: how can I plot this much points for like 8 hours straight with saving previous points