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    3 comments  ·  Highcharts Javascript API  ·  Flag idea as inappropriate…  ·  Admin →
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    Thanks for writing! The Boost module deals with the data points, in this case it would rendering the rectangles for the tasks.

    I don’t think enabling Boost for Gantt would make a very big difference. Rendering 1000 rectangles in SVG should’t be a problem in the first place. I suspect the performance bottleneck is something else, like the grid axis or something.

    Can you share a demo of your problematic chart, where we can do some profiling?

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    Aaron Beall commented  · 

    For what it's worth the bottleneck ended up being the Navigator feature, without it the performance was much better. The navigator is a cool feature, though, it'd be great if it performed better, but that's a separate issue I guess.