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

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.