Openfire/spark Java Memory Issue.

Increased memory usage.
[root@XXXX ~]#touch /tmp/heapdump[root@XXXX ~]# chmod 777 /tmp/heapdump[root@XXXX ~]# su daemon -s /bin/sh
sh-3.2$ jmap -dump:format=b,file=/tmp/heapdump 2639 (2639 is pid of openfire)

 Then disable PEP (personal event protocol) in admin console