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https://issues.apache.org/jira/browse/FLEX-33682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-33682.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.11.0
> Large Advanced Data Grid slow to resize
> ---------------------------------------
>
> Key: FLEX-33682
> URL: https://issues.apache.org/jira/browse/FLEX-33682
> Project: Apache Flex
> Issue Type: Bug
> Components: Advanced Data Grid
> Affects Versions: Apache Flex 4.10.0
> Reporter: Justin Mclean
> Assignee: Justin Mclean
> Fix For: Apache Flex 4.11.0
>
>
> An ADG with headers and a reasonable number of columns (20 or so) is slow to
> resize.
> Note Apache Flex 4.10 made some improvements over earlier version of the
> Apache Flex/Adobe Flex more can still be done.
> Using Scout shows that a significant part of the problem is related to get
> columns (which does an array.splice) and then GC of all these copies of the
> columns array.
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