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From Pierre Villard <pierre.villard...@gmail.com>
Subject Re: Firefox - Slower movements when moving around the canvas
Date Tue, 03 Apr 2018 19:24:37 GMT
Yep, same here Mike, back to square one I guess...
One additional remark: paint event duration seems to be proportional with
the number of elements to paint on the UI. Not really surprising but just
wanted to add the info.


2018-04-03 21:12 GMT+02:00 Mike Thomsen <mikerthomsen@gmail.com>:

> Found on Reddit that you can toggle OMTP using this: layers.omtp.enabled
>
> Disabled it and restarted. Didn't seem to do any good.
>
> On Tue, Apr 3, 2018 at 3:08 PM, Mike Thomsen <mikerthomsen@gmail.com>
> wrote:
>
> > Yeah, I'm using a Mac.
> >
> > On Tue, Apr 3, 2018 at 2:34 PM, Pierre Villard <
> > pierre.villard.fr@gmail.com> wrote:
> >
> >> I've been trying to debug this one and here are my findings so far...
> >>
> >> When debugging performance with the developer tools, the "Paint" event
> of
> >> the page is what is taking so long (between 3.5s to 5.5s (!!!) when I
> move
> >> from one place to another on the root canvas). Based on the release note
> >> of
> >> Firefox 59.0 [1], I see that there is something new for Mac users (Mike,
> >> are you also using a Mac?): "Improved graphics rendering using
> >> Off-Main-Thread Painting (OMTP) [2] for Mac users (OMTP for Windows was
> >> released in Firefox 58)".
> >>
> >> So it seems to be related to this new feature(someone using Windows
> could
> >> help conf irming if it's also slow using Firefox 58.x.).
> >> I tried to find existing bugs but didn't find anything really
> relevant...
> >>
> >> [1] https://www.mozilla.org/en-US/firefox/59.0/releasenotes/
> >> [2] https://mozillagfx.wordpress.com/2017/12/05/off-main-
> thread-painting/
> >>
> >>
> >>
> >> 2018-04-03 16:00 GMT+02:00 Mike Thomsen <mikerthomsen@gmail.com>:
> >>
> >> > I experienced it yesterday as well. I'm about to install a LTS version
> >> of
> >> > Firefox so I can keep going there.
> >> >
> >> > While someone from the UI side figures this out, I think it should be
> >> filed
> >> > as a bug report to Mozilla.
> >> >
> >> > On Sat, Mar 31, 2018 at 5:04 PM, Pierre Villard <
> >> > pierre.villard.fr@gmail.com
> >> > > wrote:
> >> >
> >> > > Just confirmed that behavior changed between Firefox 58.x and 59.x.
> >> > > I'll let our UI gurus find the root cause and will probably use
> >> Chrome in
> >> > > the meantime :)
> >> > >
> >> > > 2018-03-31 22:02 GMT+02:00 Pierre Villard <
> >> pierre.villard.fr@gmail.com>:
> >> > >
> >> > > > Hi guys,
> >> > > >
> >> > > > I'm running on master, using Firefox (59.0.2), and it seems it
got
> >> > slower
> >> > > > to move around the canvas. In my case, I've around 10 PGs and
> >> around 50
> >> > > > processors. When trying to move from one place to another at
the
> >> root
> >> > > > level, it's really slow and movement is intermittent/broken (not
> >> > fluid).
> >> > > > When accessing the same NiFi with Chrome, no issue at all.
> >> > > >
> >> > > > Problem is... I've also tried with a NiFi 1.5.0 and a NiFi 1.3.0
I
> >> have
> >> > > > locally with various workflows, and it's the same with the older
> >> > > versions.
> >> > > >
> >> > > > Wondering if this could be related to the upgrade to Firefox
59.x.
> >> > > >
> >> > > > Has anyone experienced the same?
> >> > > >
> >> > > > I can try to downgrade to Firefox 58.x to confirm but wanted
to
> >> check
> >> > > with
> >> > > > the community first.
> >> > > >
> >> > > > Thanks!
> >> > > >
> >> > > >
> >> > > >
> >> > >
> >> >
> >>
> >
> >
>

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