RFR: 8252811: The list of cells in a VirtualFlow is cleared every time the number of items changes
aghaisas at openjdk.java.net
Fri Sep 18 11:09:58 UTC 2020
On Tue, 8 Sep 2020 11:56:51 GMT, Jose Pereda <jpereda at openjdk.org> wrote:
> This PR removes an old fix (RT-13965/JDK-8113318), which was applied in 2011 to avoid a memory leak in
> `VirtualFlow::sheetChildren`, after new items were constantly added.
> With the current VirtualFlow implementation, there are in place the necessary methods that take care of cleaning or
> adding new cells to the sheetChildren list, and such memory leak doesn't exist, the size remains constant when new
> items are added or removed (see included unity test). The call to `sheetchildren.clear()`, on the contrary, has a big
> impact in performance and CPU usage, when new items are constantly added, as has been reported in JDK-8185886/#108.
Marked as reviewed by aghaisas (Reviewer).
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