https://community.appian.com/discussions/f/administration/2754/we-had-some-processes-get-out-of-hand-and-spawn-hundreds-of-unnecessary-sub-procWe had some processes get out of hand and spawn hundreds of unnecessary sub-processes which subsequently bloated a few of our execution engines to a very a large size. Now, even though the processes have been killed, the engines remain rather large anden-USTelligent Community 12https://community.appian.com/thread/9592?ContentTypeID=1Tue, 27 May 2014 04:34:54 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:314b8667-5a94-4405-9678-b4ee0cf5554eEduardo FuentesSince this memory has been already pre-allocated by the OS you will have to double check you have deleted a considerable amount of processes and perform a full restart of the server stopping Appian gracefully through stop-suite<div style="clear:both;"></div>