Hi Pierre, we saw this issue with chrome as well in our systems. Switching to Firefox solves the problem but i would like to track this issue. Do you have a github issue for me or apache jira ticket?
Regards, Christian ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ Pierre Villard <[email protected]> schrieb am Samstag, 4. September 2021 um 11:07: > Hi, > > There is a known issue with Chromium right now that affects the performances > when rendering the components. That could be the reason. For Chrome, it is > for Chrome 92.x.Just as a side note: a flow with 50 processors is a *very* > small flow and should not be causing any issue under normal circumstances. > > Pierre > > Le ven. 3 sept. 2021 à 19:42, Jean-Sebastien Vachon <[email protected]> > a écrit : > > > Hi Mark, > > > > thanks for the quick response. I am running a single stand-alone Nifi > > instance (1.13.2)I tried with a smaller group (1 input port and 8 > > processors), and I still experience slow downs. > > > > I've looked at the timing of the backend calls and everything seems in > > order. > > > > I am using Edge but some of my colleagues are using Firefox/Chrome and > > experienced the same. > > > > One of the flows we are dealing with is relatively complex and involves > > about 50 processors. I will try to split it into smaller groups and see how > > it goes. > > > > Thanks > > > > Jean-Sébastien Vachon > > Co-Founder & Architect > > Brizo Data, Inc. > > > > www.brizodata.com > > > > From: Mark Payne <[email protected]> > > > > Sent: Friday, September 3, 2021 1:19 PM > > > > To: [email protected] <[email protected]> > > > > Subject: Re: UI is not as responsive... > > > > Jean-Sebastien, > > > > Are you running a cluster or a single, stand-alone nifi instance? The > > slowness could be either on the backend (performing the action and > > formulating the response to the UI) or on the UI end, where it has to > > render everything. > > > > One thing you can do to help understand which is causing the slowness is to > > create a new, empty process group and then step into it. Is the UI still > > sluggish when you’re in that process group, or is the UI faster there? > > Also, which browser are you using? > > > > Thanks-Mark > > > > Sent from my iPhone > > > > > On Sep 3, 2021, at 1:03 PM, Jean-Sebastien Vachon > > > <[email protected]> wrote: > > > > > Hi all, > > > > > > The UI has been slowing down considerably over the last few days/weeks. I > > > tried restarting Nifi but it does not really make any difference.I tuned > > > the JVM and there is no sign of heavy GC going on. > > > > > > What other things should I investigate? There is currently around 4.2 MB > > > of data in all my flows... so not much going on and it is still slow. > > > > > > My server as 128 CPUs and 512GB of Ram of which 15 are allocated to Nifi. > > > I do have other processes running but nothing to cause any slowdown.The > > > load on the server is around 25 and is 98.5% idle. There is nothing going > > > on regarding storage as well. > > > > > > Thanks > > > > > > Jean-Sébastien Vachon > > > Co-Founder & Architect > > > Brizo Data, Inc. > > > > > > www.brizodata.com
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