from typing import Dict


def get_jvm_env_vars(jvm_memory_in_gb: str) -> Dict[str, str]:
    """Return JVM Environment Variables to forward to Yarn."""
    return {"LIBHDFS_OPTS": f"-Xms{jvm_memory_in_gb}g -Xmx{jvm_memory_in_gb}g", "MALLOC_ARENA_MAX": "0"}