max_nexus

Nexus limit, i.e. file cache allocated, in KB.

0 .. 200000

var, read-only

The nexus limit can be given by the -nx command line option. It can not be set through this variable.
The amount of the nexus consumed by the current level can be read through the nexus variable.

if (max_nexus - nexus > 30000)
{
  ent_create("big_model.mdl",nullvector, null);
}