def batch_search(self, batch_emb, k):
        """Perform batch search on the FAISS index."""
        print(f"[FAISSIndexServer] Received {len(batch_emb)} queries.")
        return self.index.search(batch_emb, k)  # Adjust 'k' as needed
Perform batch search on the FAISS index.
verl/workers/retriever_workers.py