[richfaces-issues] [JBoss JIRA] Updated: (RF-9426) Check iteration state saving for facets of dataTable component

[Nick Belaevski (JIRA)]

     [ https://jira.jboss.org/browse/RF-9426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Belaevski updated RF-9426:
-------------------------------

    Assignee: Nick Belaevski  (was: Konstantin Mishin)


> Check iteration state saving for facets of dataTable component 
> ---------------------------------------------------------------
>
>                 Key: RF-9426
>                 URL: https://jira.jboss.org/browse/RF-9426
>             Project: RichFaces
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: component-tables, performance
>    Affects Versions: 4.0.0.Milestone3
>            Reporter: Nick Belaevski
>            Assignee: Nick Belaevski
>             Fix For: 4.0.0.Milestone4
>
>
> Here is the excerpt from the letter I've just received:
> >>>> There is memory leak in UIDataAdaptorBase/rich:dataTable.
> >>>> It affects:
> >>>> - external filtering (input in "header" facet)
> >>>> - embedded filtering ("filterBy" column attribute) - facet
> >>>> "filterValueInput" is added internally
> >>>>
> >>>> Code in UIDataAdaptorBase#saveChildState:
> >>>> itr = c.getFacets().values().iterator();
> >>>> while (itr.hasNext()) {
> >>>>    saveChildState(faces, (UIComponent) itr.next(), childState);
> >>>> }
> >>>>
> >>>> Column facet state is saved in the view for each row.
> >>>>
> >>>> For the table with 500 rows 5 columns with filtering that resulst in
> >>>> 350kB
> >>>> of extra view size.
> >>>> UIDataAdaptorBase$DataState size - 350 kB
> >>>> There are 2500 (500 rows * 5 columns) instances of
> >>>> UIDataAdaptorBase$SavedState.
> >>>>
> >>>> The same table without filtering does not have this issue and
> >>>> UIDataAdaptorBase$DataState size is 1 kB.
> >>>>
> This affects 3.x. Please check if 4.x is affected by the problem. 

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