When using xAxis type 'time' chart is not optimised and shows all data points, which makes performance very slow.

[jaworek]

Version

4.5.0

Steps to reproduce

1. Have big series of data. (In my case it's over 8000 elements) e.g. series: [{data: [date, value]}]

2. Set xAxis type to 'category'. Chart will be smooth and performant.
   

3. Set xAxis type to 'time'. Chart will display all data point separately and perform very poorly.
   

What is expected?

I expect type: 'time' to optimise amount of data it shows in the same way type: 'category' works.

What is actually happening?

All data points are shown.

---

I tried setting different properties such as 'interval', but none of them had any effect on chart rendering. I could not find any examples that show 'time' series with large amount of data.

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[Ovilia]

@jaworek Please provide a demo of your example. https://jsfiddle.net/ovilia/n6xc4df3/

[jaworek]

Slow version with type "time": https://jsfiddle.net/7tkfcdjr/6/

Fast version with type "category": https://jsfiddle.net/7tkfcdjr/8/