<span style='font-family:Verdana'><span style='font-size:12px'><div><span style="font-family: Verdana;"><span style="font-size: 12px;">Hello,<br /><br />well, disabling the </span></span><span style="border-width: 1px; border-style: none; padding: 5px; border-color: gray; width: 100%;" class="gwt-CheckBox">"Enable Memory Balloon Optimization" at cluster level solved this problem</span><br /><br /><br /><span style="font-family:Verdana"><span style="font-size:12px">Hans-Joachim</span></span></div></span></span>