IMPORTANT NOTE: As mentioned at the end of the video in /opt/qradar/support there is a tool named: findExpensiveCustomProperties.sh that is used to determine if there are CEPs that are adversely affecting performance. However the interpretation of its output is far from intuitive and should be done by IBM support of a BP trained in its usage.
Link to a Box folder with a file with an index of the most recent videos, go to the last page and look for a file named Security Intelligence Tutorial, Demos & Uses Cases Version XXX.pdf
https://ibm.ent.box.com/s/ich0yyiw54y...