While the Net Search Extender services are running, you are not allowed to delete any of the following files from the /tmp directory:
CTE* files <instance_owner>TEXT.0000.LATCH <instance_owner>TEXT.0000 <instance_owner>CACHE.0000 <instance_owner>SCHEDULER.LATCH <instance_owner>DEMON.SEM <instance_owner>DEMON:MEM
<database_name>.IX123456 <database_name>.IX123456.data0