http://googlewebtoolkit.blogspot.com/2008/11/profiling-gwt-application-performance.html
On Fri, Oct 21, 2011 at 10:32 AM, Uemit <[email protected]> wrote: > No, CellTable will only render the visible part. > Fetching 500 rows from the server should take too long either. > I assume that the slowness is not related to the rendering in the CellTable > but probably due to fetching and parsing of the 500 rows because you don't > see any difference when you render 5 rows or 500. > So it clearly must be something else. > There are 3 possible bottlenecks: > > Fetching the data from the backend: if you use JSON and don't transfer many > fields then 500 rows shouldn't be a big issue (you can verfiy it by using > Firebug and checking the payload size) > Parsing the fetched data: Again with JSON it should be fast enough to parse > 500 rows (not sure about XML) > Rendering the data in a CellTable: if there is no performance difference > between 500 rows and 5 rows then the bottleneck must lie in one of the > previous areas. > > I have no performance problems fetching around 2000 rows and displaying 50 > of them (using SimplePager). > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/google-web-toolkit/-/4F6zBx7p3BkJ. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > -- http://www.wisdomandwonder.com/ ACM, AMA, COG, IEEE -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
