[Qtwebengine] Memory shared between main application and qtwebengineprocess.exe

[Alexandru Croitor]

Hi,

Could you submit a bug report for the WebEngine component on https://bugreports.qt.io, and provide details to the version of Qt used
as well as the platform you are running it on?

Regards, Alex.


On 22 Aug 2016, at 19:18, Bryan Chan <bryan.chan at pacbell.net<mailto:bryan.chan at pacbell.net>> wrote:

Hi,

I'm running the snippet of code below.  I'm on a 4k monitor with dpi set to 200%. As I resize the window back and forth and then hit maximize, I notice my free memory dropping by hundreds of MB at a time. If I keep doing this non-stop I eventually will run out of free memory on the main process. Sometimes the qtwebengineprocess will crash and I will get all the free memory back. Now if I do a resize then let the application sit, some but not all of the free memory comes back. This also happens on a 1920x1080 screen with no scaling, but just at a much slower rate.

Has anyone seen this behavior or know where I can look in the qt code to investigate this further?

#include <QApplication>
#include <QWebEngineView>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QWebEngineView view;
    view.setUrl(QUrl(QStringLiteral("http://www.qt.io")));
    view.resize(1024, 750);
    view.show();

    return app.exec();
}

Thanks
Bryan
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