EDPA.exe spiking cpu and does not release the memory
Policy had too many exceptoins entered
Temporary workaround is to disable Policy which resolved cpu spike
Data Loss Prevention Endpoint Performance Guides
DOC8802 September 29th, 2017
Symantec Data Loss Prevention Administration Guide
DOC9261 September 20th, 2017
http://www.symantec.com/docs/DOC9261 , page 388.
Additional solution would be to set up a group in AD and add/remove users as needed. Then configure the user exception in the policy by adding the group.