[Core] Avoid deduplication of the logs for multi-node job #2026
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Ray recently added the feature to duplicate the output from multiple workers, which is not desired in our case. https://docs.ray.io/en/latest/ray-observability/ray-logging.html#log-deduplication
To reproduce:
Tested (run the relevant ones):
sky launch --num-nodes 4 --cloud gcp --cpus 2+ -c test-mn4 'echo $(hostname)'
pytest tests/test_smoke.py
pytest tests/test_smoke.py::test_fill_in_the_name
pytest tests/test_smoke.py::test_multi_hostname
bash tests/backward_comaptibility_tests.sh