Hi Martin, we use wicket 6.22.
Doesn't the rendering take place when everything else is done? I.e the wicket components are already created and populated with data when the rendering phase starts. I guess I have to dig a bit deeper... anyway, thanks for your quick answers! Lasse 2016-06-16 15:47 GMT+02:00 Martin Grigorov <mgrigo...@apache.org>: > Also it could be similar to > https://issues.apache.org/jira/browse/WICKET-6177. > There the user also has a lot of components in the tree and this takes time > at page serialization time. > > Martin Grigorov > Wicket Training and Consulting > https://twitter.com/mtgrigorov > > On Thu, Jun 16, 2016 at 3:46 PM, Martin Grigorov <mgrigo...@apache.org> > wrote: > > > Hi Lasse, > > > > Which version of Wicket do you use ? > > > > I think you will have to use a profiler to see where the times is spent. > > It could be Wicket, but also it could be the application spending a lot > of > > time while loading the data which should be rendered. > > > > > > Martin Grigorov > > Wicket Training and Consulting > > https://twitter.com/mtgrigorov > > > > On Thu, Jun 16, 2016 at 3:37 PM, Lars Törner <lars.tor...@gmail.com> > > wrote: > > > >> Hi, > >> > >> we have an issue with rendering performance and I wonder if there are > any > >> common misusages of wicket when it comes to this. > >> > >> When rendering a fully expanded tree with 160 top level nodes and mostly > >> no > >> subtrees (an expanded node is a forms with a bunch of labels and > >> attributes) it takes about 20 seconds for the page to load (actually > it's > >> an Ajax request) and it seems that most of this time is spent when > wicket > >> renders the components. > >> > >> For one ot these 160 nodes, which has some sub nodes and forms, > rendering > >> takes about half a second. > >> > >> I'm using the RenderPerformanceListener from wicket-devutils to do the > >> measuring and gets, for the entire expanded tree, over 22 000 > >> "afterRender" > >> rows in the log from the RenderPerformanceListener. > >> This is in my opinion a huge number! > >> > >> - is it expected that rendering of so many components takes this amount > of > >> time? > >> - is this amount a sign of that we are using wicket in the wrong way? > >> > >> > >> Don't know if this makes any sense to anyone but this is the last lines > of > >> the log output for one of the top level nodes: > >> > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12:cell:attributeEditLabel' > >> for 0ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12:cell:attributeDisplayLabel' > >> for 0ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12:cell:attributeDisplay' > >> for 0ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12:cell:attributeFeedback' > >> for 1ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12:cell' > >> for 2ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol:12' > >> for 2ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow:attributeRowCol' > >> for 26ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent:attributeRow' > >> for 27ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1:objectSectionContent' > >> for 27ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection:1' > >> for 27ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm:objectSection' > >> for 28ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component:objectViewerForm' > >> for 29ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content:component' > >> for 29ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node:content' > >> for 36ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:node' > >> for 36ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:subtree:branches' > >> for 0ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8:subtree' > >> for 1ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches:8' > >> for 37ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree:branches' > >> for 340ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158:subtree' > >> for 340ms > >> > >> > 'mainContent:detailViewer:detailAndSidebarContainer:detailContainer:bodyContainer:subtree:subtree:branches:158' > >> for 359ms > >> > >> Cheers > >> Lasse > >> > > > > >
