build_index is stuck at training 77 million embeddings reading from local folder and using r6i.24xlarge ec2

[nams30]

2025-03-19 10:39:30,771 [INFO]: -> Training the index with 6553600 vectors of dim 384 03/19/2025, 10:39:30

Using the following - metric_type="L2",
index_key = "OPQ16_64,IVF65536_HNSW32,PQ64x8",