uPlot charts

[leeoniya]

hey @VLegakis, @jacekkolasa,

looks like this project would benefit from improved line charting perf, so you may find uPlot worth checking out: https://github.com/leeoniya/uPlot

rough perf comparison (including dygraphs):
https://leeoniya.github.io/uPlot/demos/multi-bars.html

cheers!

[jacekkolasa]

Thanks @leeoniya ! Right now we're using mostly old dygraph.js library, but when we'll be working on new charts, we'll definitely test uPlot! We plan to focus heavily on custom dashboards in the future (first in netdata.cloud) so uPlot could be an option to choose in the custom-dashboard wizard.

Right now dygraph.js has to stay in classic Netdata Dashboard, but only for UI reasons (users are used to have synced selection, dragging, zooming, etc.) When I'll have the time I'll check if those UI events could be recreated with uPlot

[leeoniya]

(users are used to have synced selection, dragging, zooming, etc.)

uPlot definitely supports this :)

https://leeoniya.github.io/uPlot/demos/sync-cursor.html