Data Loss Prevention (DLP) Detection Server status shows as 'Unknown' at Monitor Controller startup.
A small sub-set of Detection Servers show as 'Unknown' after an undetermined amount of time.
java.lang.OutOfMemoryError: unable to create new native thread
DLP 14, Enforce running on Red Hat Enterprise Linux, with Ten or more Detection Servers managed by one Enforce server.
The exact number of managed Detection Servers that cause this issue is currently not known.
Either situation can cause this issue:
su - root
If the protect user is not restricted explicitly, add the following to the limits.conf file to raise the process limit above the default of 1024.
protect soft nproc 4096
protect hard nproc 63536
Save the limits.conf and restart the Enforce server.