Adding a data point: using Firefox for Linux 64-bit, I see no difference between Firefox 58.0.2 and 59.0.2. Neither exhibit a slow canvas with the NiFi UI.
-- Mike On Tue, Apr 3, 2018 at 3:24 PM, Pierre Villard <pierre.villard...@gmail.com> wrote: > 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 <mikerthom...@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 <mikerthom...@gmail.com> > > wrote: > > > > > Yeah, I'm using a Mac. > > > > > > On Tue, Apr 3, 2018 at 2:34 PM, Pierre Villard < > > > pierre.villard...@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 <mikerthom...@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...@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...@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! > > >> > > > > > >> > > > > > >> > > > > > >> > > > > >> > > > >> > > > > > > > > >