Here are some stats of the node running currently while bulking is hapening untill I can get the logs...
These are based on Windows Task Manager
Memory Private Set: 32GB ( I assume this is the 30G ES_HEAP_SIZE, doesn't seem to be growing.)
Working Set: 74GB (Seems to be growing)
Commit Size: 38GB
Paged Pool: 4.6GB
Non Paged Pool: 1GB
These are based on RAMMap
Mapped File (Total): 88GB
Mapped File (Active): 42GB
Process Private (Total): 38GB
Process Private (Active): 38GB
Paged Pool (Total): 4GB
Paged Pool (Active): 4GB
Non Paged Pool (Total): 3GB
Non Paged Pool (Active): 3GB