Re: Thunderbird Performance with Large Calendars

On Tuesday, October 18, 2016 at 9:47:09 AM UTC-5, Stefan Sitter wrote:> 
> The experimental icaljs library has known performance regressions
> compared to the default libical library. You could test with default 
> libical library enabled.

We had to switch to ical.js because libical was locking up because of some events. We tried re-enabling libical but the lock up problem persists.
 
> Next thing could be to check the various filter settings in today pane, 
> calendar tab and task tab. If e.g. the search bar is set to 'show all 
> events' than more work has to be done compared to when 'show events for 
> this month' is selected.

Filter settings did not help that much.

> When using remote calendars you could test if enabling or disabling the 
> calendar cache provides a performance difference.

Disabling offline calendars has helped. It's still not fast enough.

Is there a way of telling lightning to load only future events?