here's some advanced xml that works well for sizing, you could also try specifying 100% rather than pxs
<param name="savedSearch">20.2 Farm errors by asset</param>
<module name="TimeRangePicker">
<param name="searchWhenChanged">True</param>
<param name="default">Last 24 hours</param>
<module name="HiddenChartFormatter">
<param name="charting.chart">pie</param>
<module name="EnablePreview">
<param name="enable">True</param>
<param name="display">False</param>
<module name="JobStatus" />
<module name="FlashChart">
<param name="width">100%</param>
<param name="height">400px</param>
</module>
<module name="ViewRedirectorLink">
<param name="viewTarget">flashtimeline</param>
<param name="popup">True</param>
</module>
</module>
</module>
</module>
</module>
... View more